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

1. 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

2. 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

3. The age of a tree can be determined by
A. counting the number of annual rings
B. thickness of the bark
C. the bulk of the tree
D. the number of leaves
Answer : A

4. 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

5. 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

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

7. Calcium and phosphorus assimilation will depend on sufficient intake of
A. vitamin B complex
B. vitamin D
C. vitamin A
D. vitamin C
Answer : B

8. Vitamins A and C are predominantly present in
A. brinjal
B. lady's finger
C. potato
D. tomato
Answer : D

9. Mouth and foot diseases in cattle are caused by
A. Bacteria
B. Virus
C. Fungi
D. Pennicilium
Answer : B

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

11. 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

12. Evergreen forests are confined to
A. Equatorial region
B. Temperate region
C. Alpine region
D. Arctic region
Answer : A

13. Agroecology relates
A. crops and productivity
B. crops and environment
C. crop productivity and physiology
D. crop resistance to climatic changes
Answer : B

14. 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

15. Formation of blood
A. Histolysis
B. Histogenesis
C. Haemopoiesis
D. Haemolysis
Answer : C

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

17. Whooping cough is caused by
A. Salmonella
B. Bacillus pertussis
C. Variola
D. Vibriona
Answer : B

18. Higher plants take up nitrogen as
A. Nitrites only
B. Nitrates only
C. Nitrates and Ammonia
D. Urea
Answer : C

19. Two tall plants, each being a hybrid and carrying a recessive factor for dwarfness are crossed. What proportion of their offspring will be dwarf?
A. 0.5
B. 0.25
C. 0.75
D. 1
Answer : B

20. A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's blood serum there is a drop In
A. calcium
B. iron
C. sodium
D. phosphorus
Answer : C

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

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

23. Spontaneous generation signifying the development of living organisms from non-living has been termed
A. Biogenesis
B. Abiogenesis
C. Cosmozoic
D. Catastrophism
Answer : B

24. 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

25. What is the colour of the outer portion of the spinal cord?
A. gray
B. brown
C. white
D. yellow
Answer : C

26. Organisms that feed on the excreta of other organisms are called
A. autotrophs
B. heterotrophs
C. coprophagous
D. saprotrophs
Answer : C

27. Leafy trees help in preventing
A. Land pollution
B. Water pollution
C. Noise pollution
D. Air pollution
Answer : C

28. Xerophthalmia is a deficiency disease. Deficiency of _________ causes it.
A. vitamin A
B. vitamin B
C. vitamin C
D. vitamin E
Answer : A

29. The thrombocytes are associated with
A. blood coagulation
B. transport of respiratory gases
C. removal of nitrogenous wastes
D. All the above
Answer : A

30. Leaves Call off branches In the winter because of
A. fall in atmospheric pressure
B. completion of the duration of life of the plant
C. formation of separation (absciss layer) just outside the cork
D. shortening of day time
Answer : C

31. 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

32. The theory that all animals and plants are made up of cells and they could arise only from pre-existing cells was propounded by
A. Robert Hooke
B. Matthias Schleiden and Theodore Schwann
C. Purkinije
D. Leuwenhoek
Answer : B

33. Valves are present inside
A. arteries
B. capillaries
C. veins
D. aorta
Answer : C

34. Warm-bloodedness
A. means, animals living in warm climates
B. means, the warming up of blood as the temperature increases during day time
C. is characterised by constant body temperature
D. is shown by reptiles
Answer : C

35. 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

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

37. The muscles of the heart are
A. striated and involuntary
B. striated and voluntary
C. smooth and involuntary
D. smooth and voluntary
Answer : A

38. A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?
A. diphtheria
B. dysentery
C. jaundice
D. typhoid
Answer : A

39. The dinosaurs (terrible lizards) became very successful during
A. Palaeozoic era
B. Mesozoic era
C. Cenozoic era
D. Archaeozoic era
Answer : B

40. The external ears of man are intended for
A. ornaments
B. scattering sound waves
C. collect sound waves
D. beauty
Answer : B

41. Lizards, snakes, crocodiles and turtles belong to the class
A. Aves
B. Reptilia
C. Mammalia
D. Amphibia
Answer : B

42. Most of the enzymes are
A. proteins
B. lipids
C. acids
D. alkalis
Answer : A

43. 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

44. Deciduous forests are those with trees
A. that are evergreen
B. that shed leaves periodically
C. that have needle like leaves
D. that have no leaves at all
Answer : B

45. Darwinism does not explain
A. progression
B. retrogression
C. usefulness of all organs
D. presence of vestigial organs
Answer : D

46. Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
A. snake
B. peacock
C. parrot
D. camel atmospheric pressure
Answer : A

47. Lecuminous plants are recommended for rotation of crops because they
A. kill harmful insects
B. require little amount of water
C. help in Nitrogen fixation
D. are cash crops
Answer : C

48. 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

49. The human heart is
A. Neurogenic heart
B. Myogenic heart
C. Pulsating heart
D. Ampullary heart
Answer : B

50. The corn in an underground stem that grows
A. horizontally
B. vertically
C. above the soil
D. obliquely
Answer : B