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

1. The pathogenic organisms of an infected person are destroyed by the action of
A. erythrocytes
B. leucocytes
C. blood platelets
D. all of these
Answer : B

2. Which of the following diseases is water borne?
A. Cholera
B. Malaria
C. Filiariasis
D. None of the above
Answer : A

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

4. 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

5. Fat present below the skin surface in our body acts as a barrier against
A. loss of heat from the body
B. loss of essential body fluids
C. loss of salts from the body
D. entry of harmful micro-organisms from the environment
Answer : A

6. The term 'Fauna' means
A. plant kingdom
B. animal kingdom
C. neither
D. Both
Answer : B

7. Which of these is most consistently observed in Vitamin B12 deficiency?
A. Pigmentation of skin
B. Red, sore tongue with capillary atrophy
C. Megaloblastic anemia
D. Absence of tendon reflexes
Answer : C

8. 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

9. The insects do not have blood pigments because
A. there is no blood
B. blood does not have a respiratory function
C. tissues have pigments
D. pigments are elsewhere
Answer : B

10. Which among the following vitamins is considered to be a harmone?
A. A
B. B
C. C
D. D
Answer : B

11. The cell theory of Schleiden and Schwann states that
A. cells reproduce by mitosis or meiosis
B. all cells have nuclei
C. cells are basic units of plants and animals
D. cells arise only from pre-existing cells
Answer : C

12. 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

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

14. Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
A. Rheumatism
B. Nervous shock
C. Muscular dystrophy
D. Cerebral haemorrhage
Answer : C

15. Eugenics is the application of genetics to improve
A. crop plants
B. fruit trees
C. cattle
D. human beings
Answer : D

16. Athlete's Foot' is a disease caused by
A. Bacteria
B. Fungus
C. Protozoa
D. Nematode
Answer : B

17. Scrub jungle Is characterised by
A. heavy rainfall
B. no rainfall
C. poor rainfall
D. none of the above
Answer : C

18. Blood pressure is measured by
A. Auxanometer
B. Stethoscope
C. Sphygmomanometer
D. Kaleidoscope
Answer : C

19. What ia leukaemia?
A. proliferation of WBC
B. decrease of RBC
C. increase of platelets
D. decrease of WBC
Answer : A

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

21. Waldeyer gave the name
A. microsome
B. chromosome
C. ribosome
D. lysosome
Answer : B

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

23. Which of the following diseases is caused by the deficiency of iron in human body?
A. Anaemia
B. Scurvy
C. Dermatosis
D. None of these
Answer : A

24. Synthesis of nutrients by green plants is called
A. photo-oxidation
B. photo-respiration
C. photo-synthesis
D. photo-periodism
Answer : C

25. Nephrons are found inside
A. Liver
B. Lung
C. Brain
D. Kidneys
Answer : D

26. Viruses have
A. DNA only
B. RNA only
C. Either DNA or RNA
D. Both DNA and RNA
Answer : C

27. Polyploid wheat does not normally show an increase in
A. size
B. vigour
C. length of the life cycle
D. resistance to desease
Answer : C

28. Blood is
A. acidic
B. alkaline
C. neutral
D. like a buffer
Answer : B

29. The white blood corpuscles the body because they are popularly called soldiers of
A. march at a regular pace
B. appear uniform
C. defend the body
D. are disciplined
Answer : C

30. Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment of
A. gout
B. blood cancer
C. coronary heart disease
D. polio
Answer : C

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

32. The part of the eye behind the lens is filled with
A. aqueous humor
B. vitreous humor
C. lymph
D. blood
Answer : B

33. Organisms that live in the deep sea are mainly
A. Herbivores
B. Carnivores
C. Detritivores
D. None of the above
Answer : C

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

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

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

37. Dinosaur is a/an
A. Fish
B. Amphibian
C. Reptile
D. Bird
Answer : C

38. Clotting of blood is
A. a chain reaction
B. reversible reaction
C. reflex action
D. no reaction
Answer : A

39. The liver destroys old
A. leucocytes
B. thrombocytes
C. erythrocytes
D. lymphocytes
Answer : C

40. During dehydration, the human body is usually lost by the human body is
A. sugar
B. sodium chloride
C. potassium chloride
D. iodine
Answer : B

41. Loss of blood is minimized due to blood
A. clotting
B. receding
C. healing
D. drying up
Answer : A

42. The phenomenon of summer sleep by animals is called
A. hibernation
B. aestivation
C. laziness
D. lethargy
Answer : B

43. Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called
A. Rickets
B. Beriberi
C. Xerophthalmia
D. Sterility
Answer : A

44. Saffron is the dried ________ of the saffron plant.
A. fruit
B. aril
C. stigmas and tops of styles
D. tender leaves and sprouts
Answer : C

45. The artificial kidney operates on the principle of
A. dialysis
B. diffusion
C. osmosis
D. active transport
Answer : A

46. The development of new organs is termed
A. Parthenogenesis
B. Morphogenesis
C. Histogenesis
D. Paedogenesis
Answer : B

47. Measles and influenza are caused by
A. virus
B. bacteria
C. insects
D. nematodes
Answer : A

48. 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

49. The 'graveyard of the RBC' refers to
A. spleen
B. liver
C. bone marrow
D. thymus
Answer : A

50. Colour vision is made possible by the cells in the retina called
A. rods
B. cones
C. fovea
D. blind spot
Answer : B