General Biology Set 2 MCQ Solved Paper for UPSC CDS

1. The method of inducing artificial immunity was discovered by
A. Jenner
B. Tolstoy
C. Pasteur
D. Morgan
Answer : A

2. Charles Darwin was influenced in his work by
A. Wallace
B. Lamarck
C. Malthus
D. Mendel
Answer : C

3. Gases of Jupiter' are
A. Ammonia, Methane, Hydrogen
B. Sulphur, Urethane, Oxygen
C. Carbon, Phosphorus and Oxygen
D. Nitrogen, Hydrogen and Chlorine
Answer : A

4. The grouping o( blood is based on substances called
A. antibodies
B. antigens
C. antitoxin
D. enzymes
Answer : B

5. Which of the following crops helps in nitrogen fixation?
A. Rice
B. Wheat
C. Maize
D. Beans
Answer : D

6. Niche' refers to
A. place of living
B. type of food
C. place of living and type of food
D. food and movement
Answer : C

7. The universal donor belongs to blood group
A. A
B. B
C. AB
D. O
Answer : D

8. What do you mean by the term fauna?
A. plant kingdom
B. animal kingdom
C. both plant and animal kingdoms
D. A part of plant kingdom
Answer : B

9. Bird nu is a disease which affects and spreads through
A. Cattle
B. Sheep
C. Prawn
D. Poultry
Answer : D

10. Excess of amino-acids are broken down to form urea in the
A. Liver
B. Kidney
C. Spleen
D. Rectum
Answer : A

11. The 'germ theory of disease' was propounded by
A. Joseph Lister
B. Robert Koch
C. Louis Pasteur
D. Jacob Heule
Answer : C

12. The rate of growth of plants can be measured by a/an
A. manometer
B. auxanometer
C. photometer
D. thermometer
Answer : B

13. Blood plasma from which fibrinogen is removed is known as
A. serum
B. blood concentrate
C. lymph
D. antibody component
Answer : A

14. Which one is called anti-haemorrhagic vitamin?
A. A
B. C
C. E
D. K
Answer : D

15. The Green Revolution in India owes much to
A. MS Swaminathan
B. TS Venkataraman
C. Norman Borlaug
D. Prime Minister
Answer : A

16. One of the following is called a feminine hormone. Which one is it?
A. Oestrogen
B. Testosterone
C. Pituitrin
D. Thyroxine
Answer : A

17. What is an antigen?
A. Toxic substance
B. A kind of protein
C. Blood platelets
D. Blood corpuscles
Answer : B

18. Which one of the following animals stores water in the intestine?
A. Moloch
B. Camel
C. Zebra
D. Uromastix
Answer : B

19. The small pox vaccine was discovered by
A. Louis Pasteur
B. Edward Jenner
C. John
D. Harvey
Answer : B

20. When the earth was formed it had an atmosphere with
A. Hydrogen, Oxygen and Nitrogen
B. Water Vapour, Hydrogen and Oxygen
C. Oxygen, Carbondioxide and Nitrogen
D. Water Vapour, Ammonia and Methane
Answer : D

21. Blood of cockroach is
A. red
B. bluish
C. greenish
D. colourless
Answer : D

22. Which hormone is secreted when there is a rise in the blood glucose level?
A. Glucagon
B. Insulin
C. Nor-adrenaline
D. Thyroxine
Answer : B

23. Which of the following cell organelles play the most significant role in protein synthesis?
A. Lysosome and Centrosome
B. Endoplasmic reticulum and Ribosome
C. Golgi apparatus and Mitochondria
D. Lysosome and Mitochondria
Answer : B

24. Under the immunisation programme's Govt. of India is providing vaccination to prevent some vaccine-preventable diseases. Which of the following is NOT one of them?
A. Tuberculosis
B. Diphtheria
C. Tetanus
D. Plague
Answer : D

25. Injection of insulin causes
A. increase in glucose in blood
B. decrease in glucose in blood
C. increase in blood pressure
D. decrease in blood pressure
Answer : B

26. Which one of the following acts as a communication system?
A. Blood
B. Nerve
C. Lymph
D. Enzymes
Answer : B

27. Insulin is produced in the human body by the
A. Heart
B. Kidney
C. Liver
D. Pancreas
Answer : D

28. Who is called the father of modem antiseptic surgery?
A. Edward Jenner
B. Joseph Lister
C. Louis Pasteur
D. William Harvey
Answer : B

29. Genes are arranged in chromosomes
A. In clusters
B. In binary fashion
C. In linear fashion
D. Scattered
Answer : C

30. The biologist who believed in the spontaneous creation of microorganisms was
A. Leuwenhock
B. Needham
C. Spallanzeni
D. Pasteur
Answer : B

31. In one minute normally the heart beats
A. 60 times
B. 80 times
C. 100 times
D. 72 times
Answer : D

32. The normal systolic blood pressure is
A. 140
B. 120
C. 180
D. 80
Answer : B

33. Excess carbohydrates and insufficient proteins in dally diet will lead to
A. Kwashiorkor
B. Night blindness
C. Pernicious anaemia
D. Loss of hair
Answer : A

34. Desert plants are called
A. Xerophytes
B. Bryophytes
C. Pteridophytes
D. Halophytes
Answer : A

35. Which one of the following is not caused by bacteria?
A. Tuberculosis
B. Typhoid
C. Cholera
D. Mumps
Answer : D

36. Man has ____ pairs of salivary glands.
A. 3
B. 4
C. 6
D. 8
Answer : A

37. Light compensation zone refers to
A. where light is available in plenty
B. where all light energy is used
C. where light is maximum
D. beyond which light does not penetrate
Answer : D

38. Adaptation for flying is termed as
A. aquatic
B. volant
C. fossorial
D. cursorial
Answer : B

39. The protein synthesis takes place in
A. Ribosomes
B. Chromosomes
C. DNA
D. None of these
Answer : A

40. Which among the following is a communicable disease?
A. Beri Beri
B. Diabetes
C. Leucoderma
D. Dysentery
Answer : D

41. Veins carry blood
A. towards the heart
B. away from the heart
C. both to and from the heart
D. only around the heart
Answer : A

42. Genes are made of
A. Carbohydrates
B. Proteins
C. Fats
D. Nucleotides
Answer : D

43. It is possible to produce seedless tomato fruits by
A. applying trace elements in tomato fields
B. spraying mineral solution on plants
C. spraying harmones on flowers
D. applying fertilizers containing radioactive elements
Answer : C

44. The bile contains the pigments
A. haemoglobin and haemoerythrin
B. biliviridin and bilirubin
C. bilirubin and haemocyanin
D. haemoglobin and biliviridin
Answer : B

45. Who discovered the electron microscope?
A. Knoll and Ruska
B. Rudolf and Kolliker
C. Robert Hooke
D. CP Swanson
Answer : A

46. The disease in which blood clotting does not take place is known as
A. xerophthalmia
B. haemopoiesis
C. haemophilia
D. haemoerythrin
Answer : C

47. Blood is a kind of
A. epithelial tissue
B. connective tissue
C. nervous tissue
D. cartilage
Answer : B

48. Cancer is induced by certain viruses called
A. poxviruses
B. adenoviruses
C. oncogenic viruses
D. herpesviruses
Answer : C

49. Food substances are substances by
A. hormones
B. enzymes
C. vitamins
D. zymogens
Answer : B

50. What are oncogenes?
A. a dominant gene
B. a set of genes which produce cancer
C. a gene present in the X-chromosomes causing haemophilia
D. a recessive gene
Answer : B