9th Biology Chapter 09 Transport Solved MCQs

Learn online Biology Transport Full chapter notes for upcoming exams and tests preparations, All of these MCQs are helpful for upcoming tests and exams preparations, These objective Type Question Answers are important for MDCAT and Medical jobs tests.

Biology Full Chapter Transport MCQs
Transport Biology Full Chapter MCQs


Q.1: When do the atria contract?
  1. Before diastole
  2. After systole
  3. During diastole
  4. During systole
D
Q.2: In most plants the food is transported in the form of?
  1. Glucose
  2. Sucrose
  3. Starch
  4. Proteins
B
Q.3: In most plants, the food is transported in the form of?
  1. Glucose
  2. Sucrose
  3. Starch
  4. Proteins
B
Q.4: A patient with blood group A can be given the blood of donor who has?
  1. Blood group A or AB
  2. Blood group A or O
  3. Blood group A only
  4. Blood group O only
B
Q.5: According to pressure flow mechanism which is the actual force behind the movement of food in phloem?
  1. Drop in the pressure at the sink end
  2. Gain of water at the sink end
  3. Osmotic pressure
  4. All of these
A
Q.6: Which of the following tissue layer is found in all blood vessels?
  1. Smooth muscle
  2. Endothelium
  3. Skeletal muscle
  4. Connective tissue
B
Q.7: What happens when a mismatched blood group is injected in recipient?
    (‘radio-button-click-target’, “Antibodies of the recipient’s blood destroy donor’s RBCs”)(‘radio-button-click-target’, “Antibodies of the donor’s blood breakdown recipient’s RBCs”)
  1. Both of these can happen
  2. None of these and such transfusion can be safe
D
Q.8: A cubic millimeter of blood contain about ........... million RBCs?
  1. 5
  2. 10
  3. 15
  4. 20
A
Q.9: PH of human blood is ................... ?
  1. 7.1
  2. 7.2
  3. 7.3
  4. 7.4
D
Q.10: Plants form beneficial relationships with soil bacteria fungi in order to?
  1. Avoid diseases
  2. Absorption of minerals
  3. Transpire more water
  4. All of these
B
Q.11: The rate of transpiration is increased when?
  1. Low light
  2. Temperature decrease
  3. Humidity increased
  4. None of these
D
Q.12: There is separation of oxygenated and deoxygenated blood in birds and mammals because?
  1. The ventricles are completely divided
  2. The ventral aorta is divided into aortic and pulmonary trunk?
  3. The aortic arch is divided into two systemic arches?
  4. None of the above
A
Q.13: When fibrinogen makes blood clot,it separates from blood and the remainder is called?
  1. Plasma
  2. Lymph
  3. Serum
  4. Puss
C
Q.14: Pulmonary veins originate from ............ ?
  1. Liver
  2. Lungs
  3. Kidney
  4. Intestine
B
Q.15: One complete cardiac cycle takes ...... second ?
  1. 0.2 sec
  2. 0.5 sec
  3. 0.8 sec
  4. 0.9 sec
C
Q.16: The normal pH of human blood is?
  1. 6.4
  2. 7.4
  3. 8.4
  4. 9.4
B
Q.17: ........... is the movement of molecule from a region of higher concentration to a region of lower concentration?
  1. Osmosis
  2. Diffusion
  3. Both
  4. None
B
Q.18: Arteries can be divided into .......... types?
  1. Two
  2. Three
  3. Four
  4. Five
B
Q.19: Which of the following is a function of human blood?
  1. It regulates body temperature
  2. It transports wastes
  3. It provides defence
  4. All of the above
D
Q.20: The percentage of plasma protein in the blood is?
  1. 4 – 5
  2. 5-6
  3. 7-8
  4. 7-9
D
Q.21: Valves to prevent the backflow of blood are found in the?
  1. Arteries
  2. Veins
  3. Capillaries
  4. All of the above
B
Q.22: Platelets life span in about .......... days?
  1. 6-7
  2. 7-8
  3. 5-6
  4. 8-9
B
Q.23: Which of these are responsible for blood clotting?
  1. Platelets
  2. Erythrocytes
  3. Neutrophils
  4. Baseophils
A
Q.24: Plasma contains ............ % water?
  1. 10%
  2. 7%
  3. 90%
  4. 2%
C
Q.25: Which of the following contains deoxygenated blood in an adult human?
  1. Left atrium
  2. Pulmonary artery
  3. Pulmonary vein
  4. All of the above
C
Q.26: ............. is the first organ which comes out of seed?
  1. Stem
  2. Root
  3. Leaf
  4. All
B
Q.27: In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from?
  1. Pink to blue
  2. Blue to pink
  3. Pink to colourless
  4. Colourless to pink
B
Q.28: Stomata close when the guard cells?
  1. Lose water
  2. Gain chloride ions
  3. Became turgid
  4. Gain potassium ions
A
Q.29: Which of the followings in not true about the opening and Closing of Stomata?
  1. Light helps in the opening and closing of stomata
  2. K+ ions are responsible for the opening and closing of stomata
  3. The osmosis of water is responsible for the opening and closing of stomata
  4. None for these
D
Q.30: Heart consists of ........ chambers?
  1. Two
  2. Three
  3. Four
  4. Five
C
Q.31: Pus is formed from which of the following dead white blood cells?
  1. Lymphocytes
  2. Eosinophils
  3. Monocytes
  4. Basophils
A
Q.32: What is correct about human red blood cells?
  1. Have limited life span
  2. Are capable of phagocytosis
  3. Produce antibodies
  4. Are multinucleate
A
Q.33: Stomata close when the guard cells?
  1. Lose water
  2. Gain chloride ions
  3. Become turgid
  4. Gain potassium ions
A
Q.34: Which of the following is a type of leukocyte?
  1. Macrophage
  2. Eosinophil
  3. Monocyte
  4. All of the above
D
Q.35: Leukemia is a disease in which leucocytes increase ................. ?
  1. Normally
  2. Abnormally
  3. Both
  4. None
B
Q.36: ABO blood group system was discovered by?
  1. T.H Morgan
  2. Hans krebs
  3. Winhelm kuhne
  4. Karl landsteiner
D
Q.37: Which of the following protein takes in part in blood clotting?
  1. Albumin
  2. Prothrombin
  3. Fibrinogen
  4. Fibrin
C
Q.38: Which of these statements is correct about the circulatory system?
  1. It transports hormones
  2. Capillaries have thicker walls than veins
  3. Systemic circulation carries blood to and from the lunges
  4. All of the above are true
A
Q.39: During rain the rate of transpiration is ........... ?
  1. Minimum
  2. Maximum
  3. Both
  4. None
A
Q.40: Which of the following tissue layer us found in all blood vessels?
  1. Smooth muscle
  2. Endothelium
  3. Skeletal muscle
  4. Connective tissue
B
Q.41: Which of the following blood vessels have oxygenated blood?
  1. Pulmonary artery
  2. Pulmonary vein
  3. Superior vena cave
  4. Inferior vena cave
B
Q.42: A patient with blood group A can be given the blood of donor who has?
  1. Blood group A or AB
  2. Blood group A or O
  3. Blood Group A only
  4. Blood group O only
D
Q.43: A cubic milimeter blood of male contains RBC?
  1. 5 – 5.5 million
  2. 4-4.5 million
  3. 3-4 million
  4. None of the above
A
Q.44: Exchange of materials between blood and surrounding tissues occurs in?
  1. Arteries
  2. Veins
  3. Capillaries
  4. All of these
C
Q.45: Which of the followings are not Gramulocytes?
  1. Neutrophils
  2. Eosinophils
  3. Monocytes
  4. Basophils
C
Q.46: Stomata close when guard cells?
  1. Loss water
  2. Gain chloride ions
  3. Become turgid
  4. Grain potassium ions
A
Q.47: Capillaries are ........ micrometer in diameter?
  1. 7-8 micrometer
  2. 8-10 micrometer
  3. 8-14 micrometer
  4. 7-10 micrometer
B
Q.48: Trace the pathway of water from the soil through the plant to be the atmosphere?
  1. Endodermis, cortex , epidermis , xylem , intercellular spaces in mesophyll, stomata
  2. Epidermis, endodermis , phloem, cortex of leaf, intercellular spaces of mesophyll, stomatta
  3. Root hairs, epidermis , Cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata
  4. Root hairs, Cortex, endodermis ,xylem,intercellular spaces in mesophyll, stomata
D
Q.49: Rhesus factor was first identified in Rhesus ............ ?
  1. Dog
  2. Monkey
  3. Cat
  4. Gorilla
B
Q.50: Which of the following chambers has the thickest walls in human heart?
  1. Right atrium
  2. Left atrium
  3. Left ventricle
  4. Right ventricle
C
Q.51: When fibrinogen makes blood clot, it separates from blood and the remainder is called?
  1. Plasma
  2. Lymph
  3. Serum
  4. Puss
C
Q.52: The exchange of materials between the blood and the surrounding tissues occurs in?
  1. Arteries
  2. Veins
  3. Capillaries
  4. All of the above
C
Q.53: Which of the following cells is most abundant in the blood?
  1. Red blood cells
  2. White blood cells
  3. Platelets
  4. None of these
A
Q.54: In the embryonic and foetal life RBCs are produced in?
  1. Liver
  2. Ribs
  3. Spleen
  4. Liver and spleen
D
Q.55: The amount of plasma in blood is?
  1. 35%
  2. 45%
  3. 55%
  4. 65%
C
Q.56: Which of the following structures are not cells?
  1. Lymophocytes
  2. Eosinophils
  3. Monocytes
  4. Platelets
D
Q.57: The death of the heart tissue is called?
  1. Arterioclerosis
  2. Atherosclerosis
  3. Myocardial infarction
  4. Thalassemia
C
Q.58: Which of the followings is area of supply of blood in plants?
  1. Leaf
  2. Stem
  3. Fruit
  4. All
D
Q.59: Which of the following chamber has the thickest walls in human heart?
  1. Right atrium
  2. Left atrium
  3. Left ventricle
  4. Right ventricle
C
Q.60: Atherosclerosis is caused due to ........... ?
  1. Hypertension
  2. Smoking
  3. Diabetes
  4. All of above
D
Q.61: Blood is composed of .............. parts?
  1. One
  2. Two
  3. Three
  4. fOUR
B
Q.62: The percentage of inorganic salts and in the plasma is?
  1. 0.6
  2. 0.7
  3. 0.8
  4. 0.9
D
Q.63: Blood circulation in humans being was first described by Muslim Anatomist .......... ?
  1. William Harvey
  2. Ibn-al-Nafees
  3. Bu Ali Seena
  4. Ibn Al Haitehm
D
Q.64: Plasma is made up of water and ------------?
  1. Metabolities and wastes
  2. Salts and ions
  3. Proteins
  4. All of the above
D
Q.65: ABO blood group system was discovered in 1901 by ............ ?
  1. Camillo
  2. Karl land Steiner
  3. Robert Hooke
  4. Mathias Schleiden
B
Q.66: Green leaves in which glucose is prepared called ......... ?
  1. Source of assimilates
  2. Sink of assimilates
  3. Both
  4. None
A
Q.67: Find the correct path of blood circulation?
  1. Left atrium, left ventricle, lungs, right atrium, right ventricle, body
  2. Right atrium, right ventricle, lungs, left atrium, left ventricle ,body
  3. Left atrium, left ventricle, right atrium, right ventricle, lungs body
  4. Right atrium, lungs, right ventricle, left atrium, body , left ventricle
B
Q.68: When stomatal opening reduce in sixe, the rate of transpiration .......... ?
  1. Transpiration
  2. Transcription
  3. Translation
  4. Allof above
A
Q.69: Which of the following proteins is not present in the plasma of the blood?
  1. Immunoglobulin or antibodies
  2. Prothrombin
  3. Haemoglobin
  4. Fibrenogen
D
Q.70: Plasma constitute about ........... %?
  1. 50%
  2. 55%
  3. 40%
  4. 45%
B
Q.71: The grater the no. of stomata on leaf , the ........... would be transpiration?
  1. Higher
  2. Lower
  3. Remain constant
  4. None
A
Q.72: Which ions are involved in opening and closing of stomata?
  1. Potassium ions
  2. Chloride ions
  3. Sodium ions
  4. Iodide ions
A
Q.73: Normal rate of heart beat in a healthy human being is ...... beats per minute?
  1. 72
  2. 73
  3. 70
  4. 75
A

9th Biology Chapter 08 Nutrition Solved MCQs

Ninth Biology Solved MCQs objective type question answers quiz for upcoming exams and test preparations. Learn online all upcoming exams and tests preparations question answers of Nutrition.

9th Biology MCQs Full Chapter
Ninth Biology MCQs Full Chapter Nutrition


Q.1: Which of the following does not occur in the oral cavity?
  1. Lubrication of the food
  2. Beginning of protein digestion
  3. Breaking the food into small fragments
  4. All of the above do occur in the oral cavity
C
Q.2: Goiter is a disease caused as a result of deficiencies of .......... ?
  1. Iodine
  2. Iron
  3. Calcium
  4. Phosphorus
A
Q.3: Following are not fat-soluble vitamins?
  1. A and D
  2. E and K
  3. B and C
  4. D and E
C
Q.4: The wavelike movement of muscle that pushes food through the digestive system is called?
  1. Chemical digestion
  2. Emulsification
  3. Absorption
  4. Paristalsis
D
Q.5: Heart diseases are caused by using?
  1. Saturated fatty acids
  2. Unsaturated fatty acids
  3. Proteins
  4. Too much carbohydrates
A
Q.6: The jejunum is about ......... meters long?
  1. 2.1
  2. 2.2
  3. 2.3
  4. 2.4
D
Q.7: .............. are very large molecule?
  1. Protein
  2. Carbohydrates
  3. Lipid
  4. Vitamins
A
Q.8: Which food group is our body’s best source of energy?
  1. Meat Group
  2. Fats,oils and sweets
  3. Breads and cereals
  4. Milk and cheese
C
Q.9: Low .... level can cause people to develop anemia?
  1. Calicium
  2. Vitamin
  3. Iron
  4. Protein
C
Q.10: According to FAQ more than ——-people die of starvation every day?
  1. 10,000
  2. 3,000
  3. 25,000
  4. 50,000
C
Q.11: According to (UNICEF), how many children of under age five died by malnutrition?
  1. 4 million
  2. 5 milion
  3. 6 million
  4. None
C
Q.12: .............. prevent rickets in children & aoreomalacia in adults?
  1. Vitamin A
  2. Vitamin E
  3. Vitamin D
  4. Vitamin K
C
Q.13: Which of the following is not a function of the liver?
  1. Converts glucose to glycogen
  2. Converts glycogento glycose
  3. Detoxifies poisonous substances
  4. Produces digestives enzymes
D
Q.14: .............. is an important port of ulcer formation?
  1. Cigarette smoking
  2. Over eating
  3. Spicy food
  4. All
A
Q.15: The ............ is the first part of the large intestine?
  1. Caecum
  2. Appendix
  3. Colon
  4. Rectum
A
Q.16: ........ is loose, watery stools?
  1. Constipation
  2. Diarrhea
  3. Both
  4. None
B
Q.17: Good calcium along with low salt and high potassium intake prevents from?
  1. Hypertension
  2. Kidney stone
  3. a and b
  4. None
C
Q.18: Where are the villi found?
  1. Esophagus
  2. Stomach
  3. Small intestine
  4. large intestine
C
Q.19: The secretion of liver is?
  1. Pepsin
  2. Bile
  3. Rennin
  4. Lipase
B
Q.20: Trypsim acts on ........... ?
  1. Protein
  2. Carbohydrates
  3. Vitamin
  4. Lipids
A
Q.21: Ulcers occur in the?
  1. Stomach
  2. Duodenum
  3. Esophagus
  4. All of these
D
Q.22: In the stomach, pepsinogen is converted into?
  1. Pepsin
  2. Bicarbonate
  3. HCI
  4. Gastrin
A
Q.23: Breaking of large molecules of fats into small droplets is called?
  1. Emulsification
  2. Digestion
  3. Assimilation
  4. Egestion
A
Q.24: .......... is a great stabilizer of body temperature?
  1. Carbon
  2. Nitrogen
  3. Water
  4. None
C
Q.25: After processes in oral cavity food is changed into?
  1. Chyme
  2. Bolus
  3. Undigented & degests food
  4. None of these
B
Q.26: Which of the following does not occur in the oral cavity?
  1. Lubrication of the food
  2. Beginning of protein digestion
  3. Breaking the food into small fragments
  4. All of the above do occur in the oral cavity
B
Q.27: Are the major source of energy ?
  1. Protein
  2. Lipid
  3. Crabohydraets
  4. Vitamins
C
Q.28: Chemically synthesized urea is a ------------ fertilizer?
  1. Organic
  2. Inorganic
  3. Both
  4. None
B
Q.29: ................ helps in grinding of food ?
  1. Tongue
  2. Teeth
  3. Salivary glands
  4. All
B
Q.30: The pancreas produces digestive enzymes and releases them into the?
  1. Colon
  2. Gallbladder
  3. Liver
  4. Duodenum
D
Q.31: ............. is an asymptomatic condition?
  1. Osteoporosis
  2. Osteoarthritis
  3. Osteocalcacemir
  4. None
B
Q.32: What are the primary nutrients that provide quick useable energy for the body?
  1. Carbohydrates
  2. Proteins
  3. Lipids
  4. Nucleic acids
A
Q.33: The hepatic portal vein carries blood from the -------to the-----?
  1. Small intestines, liver
  2. Small Intestines, heart
  3. Liver, heart
  4. Small intestines, colon
A
Q.34: Many bacteria in colon produce vitamin ------------ necessary for coagulation of blood?
  1. A
  2. K
  3. C
  4. D
B
Q.35: Micronutrients of plants are?
  1. Available in the soil only in small amounts
  2. Required by plants in small amounts
  3. Small molecules required by plants
  4. Useful, but not required by plants
B
Q.36: Which of the following element  is component of chlorophyll?
  1. Iron
  2. Magnesuim
  3. Nitrogen
  4. Sulphur
B
Q.37: ............ is water-soluble vitamin?
  1. Vitamin A
  2. Vitamin C
  3. Vitamin D
  4. Vitamin K
C
Q.38: What is the primary nutrient that provides quick useable energy for the body?
  1. Carbohydrates
  2. Protiens
  3. Lipids
  4. Nucleic acids
A
Q.39: There are ........... types of dietary fibers?
  1. One
  2. Two
  3. Three
  4. Four
B
Q.40: There are ........ types of aminoacids?
  1. 10
  2. 20
  3. 30
  4. 40
B
Q.41: Which of following helps in lowering blood cholesterol and sugar levels?
  1. Roughage
  2. Lipids
  3. Vitamin
  4. Carbohydrates
A
Q.42: ............ is most abundant substance in human body?
  1. Water
  2. Carbon
  3. Nitrogen
  4. Phosphorus
A
Q.43: Fertilizers are of ..... types?
  1. Two
  2. Three
  3. Four
  4. None
A
Q.44: Which group of enzymes breaks up starches and other carbohydrates?
  1. Proteases
  2. Lipases
  3. Amylases
  4. None of these
C
Q.45: .............. produce bile?
  1. Stomach
  2. Liver
  3. Intestine
  4. All
B
Q.46: One gram of lipids contains energy?
  1. 4 kilocalories
  2. 6 kilocalories
  3. 9 kilocalories
  4. 7 kilocalories
C
Q.47: Oral cavity opens into ............ ?
  1. Phyranx
  2. Lyranx
  3. Trachea
  4. Bronchi
A
Q.48: Stomach open into .......... ?
  1. Small intestine
  2. Large intestine
  3. Both a and b
  4. None
D
Q.49: Which of the following is not a macronutrient?
  1. Nitrogen
  2. Oxygen
  3. Carbon
  4. Nickel
D
Q.50: The pancreatic juice contains ........... enzymes?
  1. Two
  2. Three
  3. Four
  4. Five
B
Q.51: The connection between stomach & esophagus is called ........... sphincter?
  1. Cardiac
  2. Muscular
  3. Both
  4. None
A
Q.52: The hepatic portal vein caries blood from the ------------ to the -----?
  1. Small intestines, liver
  2. Small intestines, heart
  3. Liver, heart
  4. Small intestines, colon
A
Q.53: Which of the following is not a function of the liver?
  1. Converts glucose to glycogen
  2. Converts glycogen to glucose
  3. Manufactures fibrinogen
  4. Produces digestive enzyme
D
Q.54: Fats belong to a group of substance called ............ ?
  1. Carbohydrates
  2. Lipid
  3. Protein
  4. Vitamins
D
Q.55: If gram of carbohydrates is fully oxidized it produce about ............ kilojoules of energy?
  1. 16 Kilojoules
  2. 17 Kilojoules
  3. 18 Kilojoules
  4. 19 Kilojoules
B
Q.56: Healthy skin & hairs are maintained by ............ ?
  1. Fats
  2. Protein
  3. Carbohydrates
  4. Vitamins
A
Q.57: .......... metabolism is a major component stem & leaf growth?
  1. Nitrogen
  2. Oxygen
  3. Carbon
  4. All
A
Q.58: The ileum is about ............. meters long?
  1. 2.6
  2. 2.5
  3. 2.4
  4. 2.3
A
Q.59: ------------- is also known as retinol?
  1. Vitamin A
  2. Vitamin B
  3. Vitamin D
  4. Vitamin E
A
Q.60: Prolonged Vitamins A deficiency can lead to ............... blindness?
  1. Day
  2. Night
  3. Both
  4. None
B
Q.61: In carbohydrates the ratio of hydrogen two oxygen atoms is ............. ?
  1. 1:2
  2. 2:1
  3. 2:2
  4. 3:2
D
Q.62: In the stomach pepsinogen is converted into?
  1. Pepsin
  2. Bicarbonate
  3. HCl
  4. GAstrin
D
Q.63: Plants lacking ........ appear chlorotic?
  1. Ca
  2. Mg2
  3. Mn
  4. All
B
Q.64: Dietary deficiency of .............. is quite common?
  1. Vitamin A
  2. Vitamin B
  3. Vitamin D
  4. Vitamin E
A
Q.65: The wavelike movement of muscle that pushes food through digestive system is called?
  1. Churning
  2. Emulsification
  3. Absorption
  4. Peristalsis
D
Q.66: Which of the following macro nutrient is the part of chlorophyll?
  1. Calcium
  2. Magnesium
  3. Sulphur
  4. Iron
B
Q.67: Saliva is alkaline and contains an enzyme?
  1. Pepsine
  2. Rennin
  3. Ptyalin
  4. Amylase
D
Q.68: In which group of the following is present Mg?
  1. Chlorophyll
  2. Cytochrome
  3. Haemoglobin
  4. None of these
A
Q.69: In adult human, the esophagus is about ------------- long?
  1. 25 cm
  2. 25 mm
  3. 25 m
  4. 25 ft
A
Q.70: The pancreas produces digestive enzymes and releases them into?
  1. Colon
  2. Gallbladder
  3. LIver
  4. Duodenum
D
Q.71: About ...........% of body’s calcium is stored in bone tissue?
  1. 1%
  2. 99%
  3. 100%
  4. None
B
Q.72: Which disease (s) is/are caused due to deficiency of vitamin D?
  1. Scurvy
  2. Rickets
  3. Osteomalacia
  4. Rickets & osteomalacia
D
Q.73: What may be the reason that children need more calcium and iron?
  1. Both calcium and iron for bones
  2. Both calcium and iron for blood
  3. Calcium for blood and iron for bones
  4. Calcium for bones and iron for blood
D
Q.74: The removal of undigested food from body is called ........... ?
  1. Digestion
  2. Egestion
  3. Inhalation
  4. None
B
Q.75: The diseases of Kwashiorkor and marasmus may be due to?
  1. Mineral deficiency
  2. Over intake of nutrients
  3. Protein-energy malnutrition
  4. Ulcer
C
Q.76: Which of the following are parts of large intestine?
  1. Caecum, colon, rectum
  2. Caecum, appendix, ileum
  3. Colon, reactum, anux,
  4. Caecum, jejunum, ileum
A
Q.77: ........ has no known function?
  1. Caecum
  2. Appendix
  3. Colon
  4. Rectum
A
Q.78: The process of lubrication & digestion steels in .......... ?
  1. Oral cavity
  2. Phyranx
  3. Oesophagus
  4. Stomach
A
Q.79: Micronutrients of plants are?
  1. Available in the soil in small amounts
  2. Required by plants in small amounts
  3. Small molecules required by plants
  4. Useful, but not required by the plants
B
Q.80: A protein found in the rod cells of retina of eye is?
  1. Trypsin
  2. Pepsin
  3. Rhodopsin
  4. None of these
C
Q.81: The process of breaking down large droplets of fat into small droplets of fat is called?
  1. Emulsification
  2. Absorbtion
  3. Peristalsis
  4. Digestion
A
Q.82: .............. teeth are adopted for cutting?
  1. Parmanenet
  2. Premolars
  3. Incisor teeth
  4. Canine teeth
C
Q.83: The stomach capacity is about ................ .liters?
  1. 1 liter
  2. 2 liter
  3. 3 liter
  4. LL of above
A
Q.84: .............. in blood stream plays an important role in blood clotting?
  1. Calcium
  2. Phosphorus
  3. Nitrogen
  4. Potassium
A
Q.85: Oesophague is ......... centimeters long?
  1. 10 cm
  2. 25 cm
  3. 20 cm
  4. None
B
Q.86: A non-functional finger like process called appendix arises from?
  1. Jejunum
  2. Caecum
  3. Ilium
  4. Duodenum
B
Q.87: Ulcers occur in the ?
  1. Stomach
  2. Duodemum
  3. Esophagus
  4. All
D
Q.88: things like manure, seaweed, sewage etc are example of ............ fertilizers?
  1. Organic
  2. Inorganic
  3. Both
  4. None
A
Q.89: Where are the villi found?
  1. Esophagus
  2. Stomach
  3. Small intestine
  4. Large intestine
C
Q.90: Nitrogen is present in?
  1. Carbohydrates
  2. Protein
  3. Nucleic acid
  4. Lipids
B
Q.91: Rickets develops due to deficiency of ------------- vitamin?
  1. B
  2. A
  3. D
  4. C
C
Q.92: Inactive pepsinogen in juice require ----------- for its activated form (pepsin)?
  1. H2SO4
  2. HCl
  3. HNO3
  4. Saliva
B
Q.93: The large intestine is about ............. meters long?
  1. 1.2
  2. 1.3
  3. 1.4
  4. 1.5
B

9th Biology Chapter 07 Bioenergetics Solved MCQs

Learn online Biology MCQs Chapter Bioenergetics objective Type Question Answers. All of these MCQs question answers are helpful for upcoming exams and tests preparations easily.

Biology Question Answers Quiz Test
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Q.1: Respiration is of .......... types?
  1. One
  2. Two
  3. Three
  4. Four
B
Q.2: Respiration is a............ process?
  1. Constructive
  2. DestructIon
  3. Both
  4. None
B
Q.3: Electrons are passed to ETC to produce?
  1. AMP
  2. ATP
  3. ADP
  4. NAD+
B
Q.4: The breaking of one phosphate bond releases --------- kcal/mol of ATP?
  1. 7.9
  2. 7.5
  3. 7.1
  4. 7.3
D
Q.5: Redox reactions involve exchange of ----------?
  1. Electrons
  2. Protons
  3. Neutrons
  4. Atoms
A
Q.6: -------------- is an inorganic compound of carbon which have poor energy value?
  1. Glucose
  2. ATP
  3. CO2
  4. NADPH
C
Q.7: A ribose sugar has carbon atoms?
  1. 4
  2. 5
  3. 6
  4. 7
B
Q.8: The potential energy is stored in chemical bonds and is released as ------------- energy when these bonds break?
  1. Heat
  2. Light
  3. Kinetic
  4. Solar
C
Q.9: Most of the energy during ATP formation escapes in the form of?
  1. Waves
  2. Bonds
  3. Heat
  4. Chemical
C
Q.10: .............. is called energy currency of cell?
  1. ADP
  2. ATP
  3. AMP
  4. All
B
Q.11: The purpose of respiration is to ............. energy?
  1. Absorb
  2. Release
  3. Both
  4. None
B
Q.12: In which of the following steps of respiration, CO2 is produced?
  1. Glycolysis
  2. Krebs cycle
  3. Electron trransport
  4. All of these
B
Q.13: By-Product of Photosynthesis is?
  1. Glucose
  2. Carbon dioxide
  3. Oxygen
  4. None of these
C
Q.14: The water from the soil enters into the root hairs by the process of?
  1. Photosynthesis
  2. Osmosis
  3. Diffusion
  4. Respiration
B
Q.15: The concentration of carbon dioxide in the environment is?
  1. 0.3%
  2. 0.03%
  3. 3%
  4. 3.01%
B
Q.16: .......... is abbreviated from Adenosine Tri Phosphate?
  1. ATP
  2. ADP
  3. AMP
  4. All
A
Q.17: The reactions which do not require light during photosynthesis are called ---------- reactions?
  1. Chemical
  2. Redox
  3. Dark
  4. Light
C
Q.18: ............ does not require sunlight?
  1. Photosynthesis
  2. Respiration
  3. Both
  4. None
B
Q.19: When a plant was kept in darkness for many days, its leaves turnes yellow. Why?
  1. Leaves could not yet oxygen and so there was no photosynthesis
  2. Leaves could not get light and so there was no respiration
  3. Leaves could not get oxygen and so there was no respiration
  4. Leaves could not get light and so there was no photosynthesis
D
Q.20: Green plants capture ........ energy?
  1. Light energy
  2. Solar energy
  3. Tidal energy
  4. Chemical energy
B
Q.21: intensity of light is ...... at midday?
  1. Maximum
  2. Minimum
  3. Both
  4. None
A
Q.22: Pyruvic acid is produced in ------ respiration?
  1. Aeorbic
  2. Anaerobic
  3. Both aerobic and anaerobic
  4. None of these
C
Q.23: How many molecules of CO2 are produced when krebs cycle operates once?
  1. 01
  2. 02
  3. 03
  4. 06
B
Q.24: When we work hard we suffer form muscle fatigue muscle cells?
  1. Carry out aerobic respiration and so accumulate more CO2
  2. Carry out anaerobic respiration and so accumulate lactic acid
  3. Carry out aerobic respiration at faster rate and so accumulate lactic acid
  4. Carry out aerobic respiration at faster rate and so are tired
B
Q.25: When chemical bound broken energy is ............ ?
  1. Released
  2. Formed
  3. Both
  4. None of them
A
Q.26: Aerobic respiration needs free ........... ?
  1. Carbon
  2. Nitrogen
  3. Oxygen
  4. None
C
Q.27: There are ...... types of photosystem?
  1. One
  2. Two
  3. Three
  4. Four
B
Q.28: Which of following set of organisms can synthesize their own food?
  1. Plants, fungi, protozoans
  2. Fungi, algae, bacteria
  3. Plants, photosynthetic bacteria, algae
  4. Plants, non photosynthetic bacteria algae
C
Q.29: ATP molecule was discovered by?
  1. Fritz Lipmann
  2. Calvin
  3. Karl Lohmann
  4. Hans krebs
C
Q.30: The visible portion of sunlight consist of .......... colours?
  1. Four
  2. Five
  3. Six
  4. Seven
D
Q.31: At ............°C the process of photosynthesis stops?
  1. 20°C
  2. 30°C
  3. 25°C
  4. 45°cC
D
Q.32: Electron transport chain takes place in?
  1. Mitochondria
  2. Cytoplasm
  3. Nucleus
  4. Ribosomes
A
Q.33: ...... is one of raw material for photosynthesis ?
  1. Oxygen
  2. Water
  3. Carbon Dioxide
  4. Nitrogen
C
Q.34: There are .. types of photosynthesis pigments?
  1. One
  2. Two
  3. Three
  4. Four
B
Q.35: Anaerobic respiration occurs in the absence of ........... ?
  1. Oxygen
  2. Carbon
  3. Nitrogen
  4. All
A
Q.36: A cell hydrolyses ATP to ADP & inorganic phosphate & almost ............ Kcal energy is released?
  1. 7.3 Kcal
  2. 7.4 Kcal
  3. 7.2 Kcal
  4. 7.5 Kcal
A
Q.37: When a plant was kept in darkness for many days, many days, its leaves turned yellow. Why?
  1. Leaves could not get oxygen and so there was no photosynthesis
  2. Leaves could not get light and so there was no respiration
  3. Leaves could not get oxygen and so there was no respiration
  4. Leaves could not get light and so there was no photosynthesis
D
Q.38: The air enters the leaf through --------?
  1. Pits
  2. Stomata
  3. Mesophyll
  4. Xylem vessels
B
Q.39: There are --------- P-bonds in an ATP molecule?
  1. Two
  2. Nine
  3. Six
  4. Four
A
Q.40: In living organisms, redox reactions involving the loss and gain of ------------- atom?
  1. Oxygen
  2. Carbon
  3. Nitrogen
  4. Hydrogen
D
Q.41: Light reaction takes place in the .... of chloroplast?
  1. Granum
  2. Strome
  3. Intergrana
  4. All
A
Q.42: Photosynthesis is a ............ process?
  1. Constructive
  2. Destruction
  3. Both
  4. None
A
Q.43: Fungi and ----------- bacteria get the prepared food?
  1. Motile
  2. Non-motile
  3. Phtosynthetic
  4. Non-photosynthetic
D
Q.44: Any environment factor, the absence or deficiency of which can decrease the rate of a metabolic reaction known as?
  1. Unlimited factor
  2. Limiting factor
  3. Both
  4. None
B
Q.45: Exchange of water vapours and gases occurs in leaf through?
  1. Stomata
  2. Epidermics
  3. Xylem
  4. Phloem
A
Q.46: Chlorophyll is present in green plastids of plants called ............. ?
  1. Strome
  2. Chloroplast
  3. Grana
  4. Thylakoid
B
Q.47: Dalk reaction takes place in the ......... of chloroplasts?
  1. Grana
  2. Strome
  3. Intergrana
  4. All
B
Q.48: The water and carbon dioxide are the ............. in photosynthesis?
  1. Reactants
  2. Products
  3. Both
  4. None
A
Q.49: In dark reaction first of all CO2 combines with?
  1. 5-carbon compound
  2. 6-carbon compound
  3. 3-carbon compound
  4. Already present glucose
A
Q.50: .............. Organisms cannot carry out photosynthesis?
  1. Autotrophic
  2. Heterotrophic
  3. Both
  4. None
B
Q.51: Photosynthesis is a /an ----- process?
  1. Metabolic
  2. Catabolic
  3. Anabolic
  4. Chemical
C
Q.52: How many percent of the light falling on the leaf surface is absorbed?
  1. 5%
  2. 6%
  3. 7%
  4. 1%
D
Q.53: The major energy currency of all cells is?
  1. ADP
  2. ATP
  3. AMP
  4. P-bonds
B
Q.54: In which component of the leaf cells, chlorophill is present?
  1. Stroma
  2. Thylakoids
  3. Plasma membrane
  4. Cytoplasm
B
Q.55: In which of the following steps of respiration CO2 is produced?
  1. Glycolysis
  2. Krebs cycle
  3. Electron transport chain
  4. All of these
B
Q.56: Form which bonds of ATP molecule, energy is taken?
  1. P-P bonds
  2. C-H bonds
  3. C-N bonds
  4. C-O bonds
A
Q.57: The double membrane enveloped of chloroplast surrounds a large ventral space called ........ ?
  1. Strome
  2. Grana
  3. Intergrane
  4. Thylakoid
A
Q.58: Which of these can enter into Krebs cycle?
  1. Glucose
  2. Pyruvic acid
  3. Citric acid
  4. Acetyl Co.A
D
Q.59: ------------ is a co-enzyme?
  1. NAD+
  2. NADH
  3. AMP
  4. None
A
Q.60: Chlorophyll is complex ............ compound?
  1. Organic
  2. Inorganic
  3. Both
  4. None
A
Q.61: All ........... cells are always performing functions?
  1. Living
  2. Non-living
  3. Both
  4. None
A
Q.62: Chlorophyll pigment absorbs maximum light in wavelengths of?
  1. Green and blue
  2. Green and red
  3. Green only
  4. Red and blue
D
Q.63: In which compound of the leaf cells, chlorophyll is present?
  1. Stroma
  2. Thylakoids
  3. Plasma membrane
  4. Cytoplasm
B
Q.64: Which of the following chemical is used to identify the starch in leaves?
  1. KOH
  2. KHCO3
  3. Ethanol
  4. Iodine solution
D
Q.65: Oxygen takes part in aerobic respiration in?
  1. Glycolysis
  2. Link step between Glycolysis and krebs cycle
  3. Electron transport chain
  4. Krebs cycle
D
Q.66: The site for Calvin cycle is?
  1. Stroma
  2. Grana
  3. Plasmodesmata
  4. Cytoplast
A
Q.67: One molecule of glucose when broken down into CO2 H2O in aerobic respiration generates .......... ATP molecules?
  1. 36 ATP
  2. 37 ATP
  3. 38 ATP
  4. None of them
C
Q.68: Glycolysis takes place in .............. ?
  1. Cytosol
  2. Mitochondria
  3. Lysosome
  4. None
A
Q.69: krebs cycle occurs in .............. ?
  1. Cytoplasm
  2. Mitochondria
  3. Lysosome
  4. Nucleus
B
Q.70: ............. are called accessory pigments?
  1. Chlorophyll II
  2. Xanthophyll
  3. Carotenoids
  4. All
C
Q.71: No life would be possible if the process of ............ stops?
  1. Respiration
  2. Photosynthesis
  3. Both
  4. None
B
Q.72: ATP has .......... phosphate group?
  1. Two
  2. Three
  3. Four
  4. Five
B
Q.73: ......... is the most abundant ?
  1. Chlorophyll a
  2. Chlorophyll b
  3. Chlorophyll c
  4. Chlorophyll d
A
Q.74: Bactelio-chlorophyll is found in ........ ?
  1. Virus
  2. Bacteria
  3. Both
  4. None
B
Q.75: The 6-carbon compounds during the dark reactions of photosynthesis split into ------------ carbon compound?
  1. 5
  2. 3
  3. 7
  4. 4
B
Q.76: Ribose is a ------- carbon sugar?
  1. Two
  2. Three
  3. Five
  4. Ten
C
Q.77: -------------- reactions are the direct source of energy?
  1. Oxidation
  2. Redox
  3. Reduction
  4. None
A
Q.78: The light reactions of photosynthesis take place on the ------------- of chloroplasts?
  1. Stroma
  2. Thylakoid membrane
  3. Lumen
  4. Sacs
D
Q.79: When we work hard we suffer from muscle fatigue because muscle cells?
  1. Carry out aerobic respiration at faster rate and so are tired
  2. Carry out anaerobic respiration and so-accumulate more CO2
  3. Carry out anaerobic respiration and so accumulate lactic acid
  4. Carry out aerobic respiration at faster rate and so burst
C
Q.80: Carbon Dioxide is almost ......... percent in air?
  1. 0,01
  2. 0.3
  3. 0,03
  4. 0.1
B
Q.81: In which of the following metabolic processes, oxidation as well as reduction of molecules occur?
  1. Photosynthesis
  2. Respiration
  3. Both
  4. None of these
B
Q.82: Anaerobic respiration is of ...... types?
  1. Two
  2. Three
  3. Four
  4. Five
A
Q.83: Fermenting powers of bacteria are used in making?
  1. Soya sauce
  2. Bread
  3. Cheese
  4. Cheese and yogurt
D
Q.84: .......... is an essential requirement of photosynthesis?
  1. CO2
  2. H2O
  3. O2
  4. All
B
Q.85: The word photosynthesis is a combination of two ........... words?
  1. Greek
  2. Latin
  3. German
  4. Freech
A
Q.86: The clusters of photosynthetic pigments are called?
  1. Thylakoids
  2. Photosystems
  3. Carotenoids
  4. Chlorophyll a & b
B
Q.87: The raw materials in photosynthesis are?
  1. Water, Oxygen
  2. CO2, O2
  3. Water , CO2
  4. Glucose , Water
C
Q.88: The green portion is minaly reflected therefore chlorophull appears ............ ?
  1. Green
  2. Blue
  3. White
  4. Black
A
Q.89: Oxygen takes part in aerobic respiration is?
  1. Glycolysis
  2. Link step between Glycolysis and Krebs cycle
  3. Krebs cycle
  4. Electron transport chain
D

9th Biology Chapter 06 Enzymes Solved MCQs

Learn online solved MCQs of Enzymes Full chapter Biology class Ninth. All of these MCQs are helpful for preparations of Biology most Repeated Solved Questions With solved Answers.

9th Biology MCQS Enzymes
Ninth Biology MCQs Solved Question Answers



Q.1: The that is needed to initiate chemical reaction that energy is called ........ energy?
  1. Kinetic
  2. Potential
  3. Activation
  4. None
C
Q.2: Number of discovered enzymes are?
  1. 200
  2. 2000
  3. 3000
  4. 3500
B
Q.1: Who used the term enzyme first time?
  1. Oscar Hertwing
  2. Winhelm kuhne
  3. W-Flemming
  4. T.H.Morgan
B
Q.3: Which of the following characters is not true about enzymes?
  1. Globular in shape
  2. Non-specific
  3. Protein in nature
  4. Highly reactive
B
Q.4: The first step in the cycle of an enzyme is?
  1. Substrate binds to enzyme
  2. Substrate converted
  3. Products released
  4. Enzyme become free
A
Q.5: What is True about enzymes?
  1. They make biochemical reactions to proceed spontaneously
  2. They lower the activation energy of a reaction
  3. They are not very specific in their choice of substrates
  4. They are needed in large quantities
B
Q.6: The average temperature for human is ..........°C?
  1. 35°C
  2. 36°C
  3. 37°C
  4. 38°C
C
Q.7: metabolism is the some of the .............. proesses?
  1. Chemical
  2. Physical
  3. Both
  4. None
A
Q.8: Enzymes accelerate reactions by-------the activation energy needed for the reaction?
  1. Stopping
  2. Raising
  3. Lowering
  4. Binding
C
Q.9: The bio-chemical reactions in which large molecules are synthesized is called?
  1. Anabolism
  2. Catabolism
  3. Metabolism
  4. Enzymatic reaction
A
Q.10: When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict?
  1. All active sites have been occupied by substrate molecules
  2. The enzyme molecules have denatured
  3. More substrate acted as inhibitor
  4. More substrate has disturbed the pH of the medium
A
Q.11: Which enzyme works in stomach?
  1. Lipase
  2. Trypsin
  3. Pepsin
  4. Amylase
C
Q.12: Which one of the following convert lipids to fatty acids?
  1. Protease
  2. Lipase
  3. Both
  4. None
B
Q.13: All enzymes are composed of?
  1. Lipids
  2. Carbohydrates
  3. Proteins
  4. Phosphates
C
Q.14: Metabolism is of .......... types?
  1. 1
  2. 2
  3. 3
  4. 4
B
Q.15: Non-protein part of enzymes are?
  1. Inhibitors
  2. Substrate
  3. Cofactors
  4. Coenzymes
C
Q.16: Denaturation of enzyme is caused by?
  1. Increased pH
  2. Decreased pH
  3. Increases in temperature above optimum temperature
  4. Decreases in temperature
C
Q.17: Which one of the following convert protein to amino acids?
  1. Protease
  2. Lipase
  3. Both
  4. None
A
Q.18: Enzymes are made up of ........... ?
  1. protein
  2. Carbohydrates
  3. Lipids
  4. Triglyceride
A
Q.19: Lock and key model was proposed by?
  1. Emil Fischer
  2. Melcher
  3. Koshland
  4. Saugeo
A
Q.20: Activation energy is required to?
  1. Activation enzyme
  2. Start a reaction
  3. Speed up a reaction
  4. None
B
Q.21: Beriberi can be produced by the lack of ...... ?
  1. Vitamin A
  2. Vitamin B
  3. Vitamin BI
  4. Vitamin C
C
Q.22: Enzymatic reactions are ------- of times faster than uncatalyzed reactions?
  1. Millions
  2. Hundreds
  3. Thousands
  4. Billion
A
Q.23: To what category of molecules do enzymes belong?
  1. Carbohydrates
  2. Lipids
  3. Nucleic acids
  4. Proteins
D
Q.24: An enzyme, which breaks down starch is?
  1. Protease
  2. Amylase
  3. Tripsn
  4. Lipase
B
Q.25: Prosthetic by all enzymes ?
  1. Required by all enzymes
  2. Loosely attached with enzymes
  3. Proteins In nature
  4. Tightly bound to enzyme
D
Q.26: The enzyme function between a PH of .............. ?
  1. 2 to 4
  2. 6 to 8
  3. 8 to 10
  4. 1 to 2
B
Q.27: Trypsin works at the PH of?
  1. 2
  2. 4
  3. 8
  4. 6
C
Q.28: which enzyme converts lipids into fatty acid and glycerol?
  1. Lipase
  2. Amylase
  3. Pepsin
  4. Trypsin
A
Q.29: Prosthetic groups are?
  1. Required by all enzymes
  2. Loosely attached with enzymes
  3. Proteins in nature
  4. Tightly bound to enzyme
D
Q.30: When an enzyme is no longer able to work, it is said to be?
  1. Catalyzed
  2. Dead
  3. Cofactored
  4. Denatured
D
Q.31: The substance on which an enzyme act is called?
  1. Cofactor
  2. Inhabitor
  3. Coenzyme
  4. Substrate
D
Q.32: Catabolism constitutes .............. processes?
  1. Constructive
  2. Destructive
  3. Both a & b
  4. None
B
Q.33: What is true about cofactors?
  1. Break hydrogen bonds in proteins
  2. Help facilitate enzyme activity
  3. Increase activation energy
  4. Are composed of proteins
B
Q.34: Lock and key model was proposed by .............. ?
  1. Emil Fisher
  2. Koshland
  3. Freitz London
  4. None
A
Q.35: Pepsin works at the PH of .......... ?
  1. 1
  2. 2
  3. 3
  4. 4
B
Q.36: Which one of the following is specific in action ?
  1. Catalyst
  2. Enzyme
  3. Both
  4. None
B
Q.37: Which enzyme breaks the peptide bods?
  1. Amylase
  2. Protease
  3. Lipase
  4. None
B
Q.38: The molecule that fits the active sites that is called?
  1. Substrate
  2. Enzyme
  3. Catalyst
  4. All
A
Q.39: When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?
  1. All active site have been occupied by substrate molecules
  2. The enzyme molecule have denatured
  3. More substrate acted as inhibitor
  4. More substrate has disturbed the pH of the medium
A
Q.40: Coenzymes are small .............. molecules?
  1. Organic
  2. Inorganic
  3. Both
  4. None
A
Q.41: The building units of enzymes are?
  1. Fatty acids
  2. Glycerol
  3. Nucleic acid
  4. Amino acid
D
Q.42: Anabolism constitute ............. processes?
  1. Construction
  2. Destruction
  3. Both a & b
  4. None
A
Q.43: There are about ........... to ...... enzymes in cell?
  1. 1000-2000
  2. 1000-2050
  3. 2000-6000
  4. 2000-3000
D
Q.44: Minimum energy required to start a chemical reaction is called?
  1. Potential energy
  2. Chemical energy
  3. Activation energy
  4. All are same
C
Q.45: The optimum temperature for human enzyme is between?
  1. 10-20°C
  2. 20-35°C
  3. 35-40°C
  4. 5-10°C
C
Q.46: To waht category of molecules do enzymes belong?
  1. Carbohydrates
  2. Lipids
  3. Nucleic acids
  4. Proteins
D
Q.47: Enzymes are ........... catalysts?
  1. Inorganic
  2. Organic
  3. Both a & b
  4. None
B
Q.48: What is the effect of change in pH?
  1. Digradation of amino acids at active sites
  2. Ionization of amino acids at active sites
  3. Formation of new amino acids at active sites
  4. All of these
B
Q.49: Almost all enzymes are?
  1. Carbohydrates
  2. Fatty acids
  3. Proteins
  4. Vitamins
C
Q.50: Which of the following variable is least likely to affect an enzymes rate of reaction?
  1. Temperature
  2. pH
  3. Carbon dioxide concentration
  4. Enzyme concentration
C
Q.51: Induced Fit model was proposed by?
  1. Emil Fischer
  2. Melcher
  3. Koshland
  4. Saugeo
A
Q.52: When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?
  1. All actives sites have been occupied by substrate molecules
  2. The enzyme molecule have denatured
  3. More substrate acted as inhibitor
  4. More substrate has disturbed has disturbed the pH of the medium
A
Q.53: Vitamin which acts as co-enzyme is?
  1. Vitamin A
  2. Vitamin K
  3. Riboflavin
  4. All of these
C
Q.54: Optimum temperature for enzymes of human body is?
  1. 86°C
  2. 37°C
  3. 38°C
  4. 39°C
B

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