Biology MCQs

11. Which of the following is a polymer of glucose?
[A] Starch
[B] Cellulose
[C] Both a and b
[D] None

Show Answer

12. Which solution makes a cell turgid?
[A] Hypotonic solution
[B] Isotonic solution
[C] Hypertonic solution
[D] None of the above

Show Answer

13. Scurvy is caused by deficiency of which of the following vitamins?
[A] Vitamin A
[B] Vitamin C
[C] Vitamin D
[D] Vitamin B

Show Answer

14. Which of the following is the function of the liver? (UPSC Prelims 1979).
[A] Promote digestion of food
[B] Promote respiration
[C] Store glucose as glucogen
[D] None of these

Show Answer

15. By which of the following the genetic code can be translated through an intermediate, adaptor molecule? (UPSC Prelims 1985)
[A] tRNA
[B] mRNA
[C] ATP
[D] ADP

Show Answer

16. Consider the following statements with reference to the human body:

  1. The common bile duct releases its contents into the stomach.
  2. The pancreatic duct releases its contents into the duodenum.

Which of the above statements is/are correct? (UPSC Prelims 2006)

[A] I only
[B] II only
[C] Both I and II
[D] Neither I nor II

Show Answer

17. Which branch of biology is known for the scientific study of organic matter in living things?
[A] Photophysical
[B] Biochemistry
[C] Biotechnology
[D] Molecular Biology

Show Answer

18. Who among the following was awarded the Nobel Prize in Medicine in 1926 for his contribution to cancer research?
[A] Christiaan Eijkman
[B] Johannes Fibiger
[C] Julius Wagner-Jauregg
[D] Charles-Jules-Henri Nicolle

Show Answer

19. The most abundant biomolecule on earth is__?
[A] Minerals
[B] Salts
[C] Carbohydrates
[D] Vitamins

Show Answer

20. In cell culture, the measles virus can lead to which of the following?
[A] nuclear pyknosis
[B] transformation of cells
[C] syncytium formation
[D] rounding and aggregation of cells

Show Answer