1000+ General Biology Set 2 Multiple Choice Question Answer [Solved]

1. The stones formed in human kidney consist mostly of
A. calcium oxalate
B. sodium acetate
C. magnesium
D. calcium
Answer : A

2. Name the nematode which lives in lymph vessels of man.
A. Ascaris
B. Hook worm
C. Filarial worm
D. Guinea worm
Answer : C

3. Insulin is concerned with the metabolism of
A. sugar
B. fats
C. proteins
D. vitamins
Answer : A

4. Animals that feed only on dead flesh are
A. herbivorous
B. carnivorous
C. omnivorous
D. carrion-eaters
Answer : D

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

6. Fledgling is a term often used to denote the young one of a
A. bird
B. fox
C. dog
D. man
Answer : A

7. Foal' is the young on of the
A. Cat
B. Lion
C. Tiger
D. Horse
Answer : D

8. Measles is caused by
A. bacteria
B. fungus
C. virus
D. protozoan
Answer : C

9. The workers in the honey bee colony are
A. males
B. females
C. sterile females
D. intersex
Answer : C

10. The bird that lays the largest egg is
A. crow
B. ostrich
C. cuckoo
D. eagle
Answer : B

11. Which one of the following is both an exocrine and an endocrine gland?
A. Gastric glands
B. Pancreas
C. Salivary glands
D. Liver
Answer : B

12. Maintenance of pregnancy is under the control of
A. follicular stimulating hormone
B. growth hormone
C. estrogen
D. progesterone
Answer : D

13. One of the sequences given below represents a complete metamorphosis. Which one is it?
A. Egg - adult
B. Egg - nymph - adult
C. Egg - larva - pupa - adult
D. young one adult
Answer : C

14. India's first transgenic crop was
A. Potato
B. Brinjal
C. Sugarcane
D. Bt cotton
Answer : D

15. The closing and opening of the leaves of Mimosa pudica (Touch me not) plant is due to _______ movement.
A. chemonastic
B. seismonastic
C. thermonastic
D. photonastic
Answer : B

16. The grey matter of the brain is so coloured because of the concentration of
A. nerve cells
B. a pigment
C. nerve fibres
D. melanin
Answer : A

17. Which of the following diseases is not caused by a virus?
A. Cancer
B. Rabies
C. AlDS
D. Severe Acute Respiratory Syndrome (SARS)
Answer : A

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

19. The natural defence of our body against foreign germs is formed by
A. red corpuscles
B. white corpuscles
C. platelets
D. lymph
Answer : B

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

21. Those small organisms which float on the surface of water are called
A. Necton
B. pH indicators
C. Plankton
D. Benthos
Answer : C

22. Spiders can take only
A. solid food
B. liquid food
C. plant juice
D. flesh of dead animals
Answer : B

23. The mouth of a river opening into the sea is termed as
A. shore line
B. littoral zone
C. continental shelf
D. estuary
Answer : D

24. Oparin is known for his hypothesis on
A. origin of species
B. origin of life
C. one germ one disease
D. one gene one enzyme
Answer : B

25. The buffer substance in blood is
A. Calcium carbonate
B. Carbon dioxide
C. Sodium bicarbonate
D. Ammonia
Answer : C

26. The gestation period for the elephant is
A. 10 months
B. 15 months
C. 22 months
D. 30 months
Answer : C

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

28. At the end of a reaction enzymes are
A. left as they are
B. reduced
C. increased
D. neutralised
Answer : A

29. Typhoid is a disease caused by
A. virus
B. bactena
C. fungus
D. animal
Answer : B

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

31. What do you mean by lentic biota?
A. Plants and animals in lakes and ponds
B. Plants and animals in forest
C. Plants and animals in sea water
D. Desert plants and animals
Answer : A

32. The spider spins its web from a liquid secreting from its
A. posterior silk gland
B. posterior abdomen glands
C. mouth
D. salivary glands
Answer : A

33. Cutting and layering are the methods of plant propagation usually referred to as
A. asexual reproduction
B. sexual reproduction
C. vegetative reproduction
D. gardening
Answer : C

34. Cancer cells are more easily damaged by radiation than normal cells because they are
A. different in structure
B. non-dividing
C. starved of nutrition
D. undergoing rapid division
Answer : D

35. The plant cells are surrounded rigidly by
A. plasmalemma
B. cell membrane
C. cell wall
D. plasma membrane
Answer : C

36. The counting of RBC's can be performed by
A. Haemocytometer
B. Haemoglobinometer
C. Clinostat
D. Thermometer
Answer : A

37. Kwashiorkar is characterised by
A. dermatitis, changes in hair pigments and retarded brain growth
B. excretion of creatine in excess
C. tyrosinosis and alcaptonuria
D. None of these
Answer : A

38. Plants growing in saline marsh habitats are called
A. Xerophytes
B. Aerophytes
C. Saprophytes
D. Halophytes
Answer : D

39. The counting of RBCs is done with
A. haemocytometer
B. haemoglobinometer
C. clinostat
D. thermometer
Answer : A

40. The part of the human brain concerned with sight is the
A. Frontal lobe
B. Parietal lobe
C. Temporal lobe
D. Occipital lobe
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. Compared to the veins, the walls of arteries are
A. thicker
B. thinner
C. similar
D. very much thinner
Answer : A

43. Legumes are highly nutritious because they are rich in
A. starch
B. oils
C. fat
D. protein
Answer : D

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

45. The influenza vaccine was discovered by
A. Salk
B. Khorana
C. Mittel
D. None of the above
Answer : A

46. What are the symptoms of Xeroph-thalmia?
A. eye weakness
B. dry skin and night blindness
C. nervous break down
D. All the above
Answer : B

47. The golden age of Dinosaurs was
A. Palaezoic
B. Cenozoic
C. Mesozoic
D. Proterozoic
Answer : C

48. Who coined the term gene?
A. Mendel
B. Devries
C. Jacob and Monod
D. Johanson
Answer : D

49. Tuberculosis is caused by
A. tobacco
B. tubers
C. bacteria
D. virus
Answer : C

50. Rate of mutation can be increased in plants by
A. More manure
B. More pesticides
C. X-ray
D. More light
Answer : C