Biology Objective Questions For Competitive Exams

Biology solved MCQs with answers with objective type quiz tests preparations. Here i am sharing PPSC past years MCQs of Biology and FPSC Federal Public Service Commission Multiple choice Questions with Solved answers. Punjab PCS solved questions with answers quiz.

Biology Past Papers MCQs Quiz Tests

Solved PMS past papers of general knowledge of Science and Biology Multiple choice questions with four options by selecting the right one option students can easily preparation of Mcqs with quiz tests. Solved punjab pcs exam 2014 question paper MCQs With Answers.

Online Solved Quiz Tests Of Biology MCQs

PPSC BIOLOGY MCQS WITH ANSWERS

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Biology MCQs Quiz Tests

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Biology Multiple Choice Questions And Answers MCQs

Q.1: Central nervous system of man consists of--------- ?

1. Brain
2. Spinal cord
3. Both of these
4. none of these

C

Q.2: Which of the following statement is incorrect about RNA--------- ?

1. The pentose sugar in it is Ribose.
2. It contains Adenine Guanine Thymine and Cytosine
3. It is present in the nucleoli
4. It may be folded back on itself to give double helical characteristics.

B

Q.3: Membranes of the grane are sites where ?

1. Oxygen is stored
2. Food is stored
3. Sunlight is trapped
4. CO2 is stored.

C

Q.4: Which structural organization is most common in globular proteins--------- ?

1. Primary
2. Secondary
3. Tertiary
4. Quaternary

C

Q.5: Which of the following are triploblastic and acoelomate ?

1. Sponges
2. Annelida
3. Platyhelminthes
4. Aves

C

Q.6: ATP is a an important molecule for its major function------- ?

1. As an energy currency of the cell
2. As a coenzyme
3. Both a and b
4. None of these

A

Q.7: Which one is not found in fatty acids in acylglycerols------- ?

1. C-6
2. C-25
3. C-26
4. C-30

B

Q.8: Sleep movements are a type of-------- ?

1. Turgor movements
2. Growth movements
3. Tactic movements
4. Paratonic movments

A

Q.9: The cells present in testes and secrete testosterone are--------- ?

1. Sertoli cells
2. Germinal cell
3. Interstitial cells
4. Spermatocyte

C

Q.10: The first stage of development in which a cavity appears is the------- ?

1. Neurula
2. Morula
3. Gastrula
4. Balastula

D

Q.11: Which one of the following specially result in chronic liver disease leading to hepatic failure ?

1. HAV
2. HBV
3. HCV
4. HEV

C

Q.12: Carbon commonly combines with----------- ?

1. H
2. N & O
3. P & S
4. All of these

D

Q.13: Non polar organic molecules are ----------- in water ?

1. Soluble
2. Insoluble
3. Partially soluble
4. Depends upon condition

B

Q.14: Genes will not be found in gene pairs in the--------- ?

1. Muscle cell of worm
2. Uterine cells of dog
3. Sperm cells of frog
4. Guard cells of leaf

C

Q.15: Organisms of which of the following kingdom have absorptive mode of nutrition-------- ?

1. Prokaryotae
2. Protoctista
3. Animalia
4. Fungi

D

Q.16: The first eukarotes appeared about ---------- years ago ?

1. 1.5 billion
2. 2.5 billion
3. 3.5 billion
4. 4.5 billion

A

Q.17: Scurvy and beri – beri and caused by the deficiency of-------- ?

1. Vitamin B and C
2. Vitamin B and D
3. Vitamin C and B
4. Vitamin A and B

C

Q.18: Which of the following relationship is NOT an example of symbiosis ?

1. Rhizobium and leguminous plants
2. Marchantia sporophyte and gametophyte
3. Algae and fungi in a lichen
4. Mycorrhizal fungi and tree roots

B

Q.19: What percentage of light reaching the earth is used in photosynthesis ?

1. 25%
2. 10%
3. 5%
4. 1%

D

Q.20: The name Bacteriophage was coined by-------- ?

1. Charles Chamberland
2. Ivanowski
3. Twort
4. D Herelle

D