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BASIC BIOLOGY QUIZ TEST

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Biology MCQs Quiz Tests

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Online MCQs For Biology Exam Questions And Answers

Q.1: The resolving power of electric microscope is-------- ?

1. 0.2 mm
2. 0.2 nm
3. 0.2 m
4. none of these

B

Q.2: Which of the following is second largest part of the brain------- ?

1. Cerebrum
2. Cerebellum
3. Thalamus
4. Hypothalamus

B

Q.3: Receptors for hearing come under heading of-------- ?

1. Chemical
2. Mechanical
3. Photo
4. Nociceptors

B

Q.4: In which of the following neurons length of dendrite is greater than axon----------- ?

1. Sensory neuron
2. Motor neuron
3. Associative neuron
4. none of these.

A

Q.5: Which of the following ions are involved in the initiation of nerve impulse---------- ?

1. Na+
2. K+
3. Fe
4. none of these

A

Q.6: Which of the following occurs in anaerobic respiration but not in aerobic respiration ?

1. Release of CO2
2. Reduction of NAD
3. Formation of ATP
4. Production of ethanol from acetaldehyde

D

Q.7: Animals fats are -------------- atroom temperature ?

1. Liquids
2. Gases
3. Solids
4. None of these

C

Q.8: The type of learning in which there is loss or decrease in response to repeated stimuli ?

1. Imprinting
2. Habituation
3. Latent learning
4. Insight learning

B

Q.9: The one which causes contraction of wall of the uterus during and after birth ?

1. ADH
2. MSH
3. Oxytocin
4. Progesterone

C

Q.10: The survival of an animal depends upon its ability to take some from its environment------- ?

1. Chemicals
2. Hydrocarbons
3. Organic molecules
4. Inorganic molecules

C

Q.11: Which one of the following stage preceeds mitosis during cell cycle ?

1. G1 phase
2. S phase
3. G2 phase
4. M phase

C

Q.12: There are mainly ---------- types of tRNA ?

1. 170
2. 20
3. 25
4. 15

B

Q.13: Which of the Euglenas (a Protoctista) character resembles that of animals-------- ?

1. They can move
2. They lack cell wall
3. They do not have chlorophyll
4. Both a and b

D

Q.14: The greatest diversity of animals in the lake is found in which one of the following zones ?

1. Limmnetic zone
2. Littoral zone
3. Profundal zone
4. None of these

B

Q.15: Other name for Kingdom monera is--------- ?

1. Protoctista
2. Prokaryotae
3. Archae
4. None of these

B

Q.16: The size of smallest virus is--------- ?

1. 10 nm
2. 20 nm
3. 30 nm
4. 40 nm

B

Q.17: A virion is----------- ?

1. Virus
2. Viral protein
3. Viral lysozyme
4. Viral gene

A

Q.18: Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves-------- ?

1. Strong covalent bond between virion and the receptor site.
2. Week chemical unior between them
3. Both A and B depending upon the phage
4. None of these

B

Q.19: Which of the following is the smallest known virus ?

1. Hepatitis virus
2. Retrovirus
3. Polio virus
4. Pox virus

C

Q.20: In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall------ ?

1. Absorption
2. Multiplication
3. Lysogeny
4. Penetration

D