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

1. Which of the following is a disease of brain?
A. SARS
B. AlDS
C. Diabetes
D. Alzheimer's
Answer : D

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

3. Blood platelets are found in
A. all vertebrates
B. all chordates
C. mammals only
D. birds and mammals
Answer : C

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

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

6. The following disease is prevented by triple-antigen immunization
A. Diphtheria
B. Tuberculosis
C. Smallpox
D. Mumps
Answer : A

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

9. Haemoglobin is dissolved in the plasma of
A. frog
B. fish
C. man
D. earthworm
Answer : D

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

11. The country's first 'brain bank' that can store up to 300 human brains has been opened at
A. Alleppey
B. Bengaluru
C. Bhubaneshwar
D. Mumbai
Answer : B

12. Pulse rate is measured in the wrist by observing the jerks of blood In the
A. veins
B. capillaries
C. arteries
D. nerves
Answer : C

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

14. 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

15. 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

16. 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

17. Development without fertilization is called
A. parthenogenesis
B. asexual reproduction
C. sporulation
D. budding
Answer : A

18. Who considered evolution as due to mutation?
A. Charles Darwin
B. Lamarck
C. Hugo de Vries
D. Cuvier
Answer : C

19. 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

20. 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

21. The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain
A. bacterium
B. virus
C. viroid
D. prion
Answer : D

22. Bio indicators are
A. stains
B. pH indicators
C. weather indicators
D. soil indicators
Answer : D

23. 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

24. Afforestation means
A. study of forests
B. growing new forests
C. destroying the forests
D. go into the forests
Answer : B

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

26. Human blood is oxygenated and purified in the
A. heart
B. lungs
C. liver
D. kidneys
Answer : B

27. Valve a are present inside
A. Arteries
B. Capillaries
C. Veins
D. Lymph vessels
Answer : C

28. The pigment which is responsible for blood clotting is
A. Fibrinogen
B. Haemoglobin
C. Glucose
D. Blood cells
Answer : A

29. The waste product In the urine of man is
A. urea
B. uric acid
C. ammonia
D. non-nitrogenous
Answer : A

30. The normal temperature of human body on the Kelvin scale is
A. 280
B. 290
C. 300
D. 310
Answer : D

31. Organisms which synthesise their own food are called
A. autotrophs
B. heterotrophs
C. saprotrophs
D. auxotrophs
Answer : A

32. 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

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

34. 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

35. Sleeping sickness in man is caused by the organism
A. plasmodium
B. entamoeba
C. giardia
D. trypanosome
Answer : D

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

37. 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

38. Maintenance of pregency is under the control of
A. Follicular stimulating hormone
B. Growth hormone
C. Estrogen
D. Progesterone
Answer : D

39. Insects that make a clicking sound are
A. crickets
B. beetles
C. flies
D. silver fish
Answer : B

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

41. 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

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

43. The part of the brain which is responsible for intelligence is
A. cerebrum
B. opthalmic
C. cochlea
D. semicircular canals
Answer : A

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

45. 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

46. Plants growing in sunlight are called
A. sciophytes
B. hydrophytes
C. xerophytes
D. heliophytes
Answer : D

47. The organ that produces antibodies in our body is
A. pancreas
B. salivary gland
C. liver
D. gonads
Answer : C

48. Aphids are
A. insect pests
B. fungal pests
C. bacterial pests
D. viral pests
Answer : A

49. Jaundice is caused by a/an
A. virus
B. bacteria
C. fungus
D. animal
Answer : A

50. The function of ribosomes is
A. Secretion
B. Excretion
C. Power house of the cell
D. Protein synthesis
Answer : D