Biology MCQs

11. In human body, the regulation of RBC production is accomplished by a harmone which is secreted by __:
[A] Liver
[B] Bone marrow
[C] Kidney
[D] Pancreas

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12. Why does the peepal tree continuously produce oxygen?
[A] C3 Photosynthesis
[B] C4 Photosynthesis
[C] Crassulacean Acid Metabolism
[D] Carbon Cycle Rebalancing

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13. ‘Ophiology’ is the study of which of the following animals?
[A] Moths and Butterflies
[B] Snakes
[C] Whales
[D] Ants

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14. Who among the following is the Father of Mutation theory of evolution?
[A] Alec Jeffery
[B] T.H. Morgan
[C] Bateson
[D] Hugo de Vries

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15. Which of the following is a fibrous protein?
[A] Enzymes
[B] Keratin
[C] Haemoglobin
[D] Albumin

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16. For developing in bred lines in farm animals, following factors are taken into consideration:

  1. The crossbreds should be of outstanding type.
  2. They should not carry any detrimental genes.
  3. Progeney tested animals.
  4. Herd size should be large.

Of the statements given above, which one of the following combinations of factors is most essential? (UPSC Prelims 1990)

[A] 1 and 3
[B] 2 and 3
[C] 1 and 4
[D] 2 and 4

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17. It has been observed that after-effects of low temperature treatment are helpful in promoting the flowering in certain plants. Through this the vegetative period of plant becomes short and early flowering takes place. Which of the following is the name given to the phenomenon? (UPSC Prelims 1992)
[A] Photoperiodism
[B] Floreignation
[C] Vernalisation
[D] Heliotropism

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18. Which vitamin is also called as “Folic acid”?
[A] Vitamin B3
[B] Vitamin B6
[C] Vitamin B9
[D] Vitamin B12

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19. What field in which “Luc Montagnier” is famous for?
[A] Discovery of Ebola Virus
[B] Discovery of Influenza Virus
[C] Discovery of Human Immunodeficiency Virus
[D] Discovery of Polio Virus

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20. What is Georgios Papanikolaou famous for?
[A] As an inventor of Odometer
[B] As an inventor of Pointed arch bridge
[C] As an inventor of Counterweight Trebuchet
[D] As an inventor of Pap smear test

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