1000+ General Biology Set 2 MCQ for RBI Assistant [Solved]

1. Malarial parasite is brought to human host by
A. male anopheles mosquito
B. female anopheles mosquito
C. male culex
D. female culex
Answer : B

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

3. One of the following is often called the master gland. Which one is it?
A. Thymus
B. Islets of Langerhans
C. Pituitary
D. Thyroid
Answer : C

4. The primary energy for living organisms is
A. Solar energy
B. Chemical energy
C. Mitochondria
D. ATP
Answer : A

5. The study of ecology with pyramids was invented by
A. Darwin
B. Elton
C. Odum
D. Joshua
Answer : B

6. The drug Ergot is obtained from
A. Alga
B. Fungus
C. Bacteria
D. Virus
Answer : B

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

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

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

10. 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

11. The involuntary muscles are controlled by the
A. Cerebrum
B. Cerebellum
C. Medulla oblongata
D. Pons
Answer : C

12. Memory is the responsibility of
A. cerebrum
B. cerebellum
C. medulla oblongata
D. spinal cord
Answer : A

13. 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

14. Which among, the following is a solid lubricant?
A. carbohydrate
B. graphite
C. protein
D. starch
Answer : B

15. Modern classification of the living world recognise ___________ kingdoms.
A. two
B. three
C. four
D. five
Answer : D

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

17. Haemophilia is a hereditary disease carried by
A. females and expressed by females
B. females and expressed by males
C. males and expressed by females
D. males and expressed by males
Answer : B

18. 1 gm of carbohydrate gives energy which is about
A. 3 k cal
B. 2 k cal
C. 4.2 k cal
D. 8.1 k cal
Answer : C

19. Tetrodotoxin is a potent poison that
A. erodes blood vessels
B. blocks conduction of nerve impulses causing respiratory paralysis
C. produces damage to the kidneys
D. produces intestinal bleeding
Answer : B

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

21. Biocatalysts are
A. hormones
B. vitamins
C. enzymes
D. pheromones
Answer : C

22. Hormone promoting maleness in flowering plants is
A. Indole Acetic Acid
B. Kinetin
C. Cytokinin
D. Gibberellin
Answer : D

23. In movable joints the tips of the bones are covered with
A. hyaline cartilage
B. calcified cartilage
C. elastic cartilage
D. fibrous cartilage
Answer : A

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

25. The wall of the heart is made of programmed cell death is known as
A. voluntary muscles
B. involuntary muscles
C. cardiac muscles
D. skeletal muscles
Answer : C

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

27. The suggestion that the chromosomes are the carriers of hereditary material was first made by
A. Johanson
B. Flemming
C. Sutton and Boveri
D. Morgan
Answer : C

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

29. The blood pressure is controlled by the hormone
A. Vasopressin
B. Oxytocin
C. Oestrogen
D. Testasterone
Answer : A

30. The pH of normal urine of man ranges from
A. 6 - 8
B. 4.5 - 6
C. 2.5 - 6
D. 8 10
Answer : A

31. 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

32. Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as it cripples the
A. heart
B. lungs
C. kidneys
D. mitochondria
Answer : D

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

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

35. Heart is made up of
A. nonstriated muscle
B. cardiac muscle
C. connective tissue
D. nervous tissue
Answer : B

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

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

38. Carbohydrates are mainly needed for
A. growth
B. immunity
C. repair
D. energy
Answer : D

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

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

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

42. What is an antigen?
A. toxic substance
B. a kind of protein
C. blood platelets
D. blood corpuscles
Answer : B

43. Which among the following is a balanced fertiliser for plants?
A. Urea
B. Ammonium Sulphate
C. Nitrates
D. Compost
Answer : D

44. The function of connective tissue is
A. to hold the other tissues together
B. to facilitate diffusion
C. to help transportation of dissolved material from capillaries to epithelial cells
D. protection
Answer : A

45. When a movement of a plant organ is stimulated by contact with an object, it is termed
A. heliotropism
B. geotropism
C. haptotropism
D. gardening
Answer : C

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

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

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

49. The heart of the human embryo starts beating in the _____ week of its development.
A. second
B. third
C. fourth
D. first
Answer : B

50. The specific gravity of blood is
A. lower than water
B. higher than water
C. same as water
D. many times that of water
Answer : B