General Biology Set 2 MCQ Solved Paper for RRB ALP

1. Kwashiorkor' is caused by deficiency of
A. carbohydrates
B. proteins
C. fats
D. vitamins
Answer : B

2. 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

3. Plant diseases are spread by
A. insects
B. man
C. wind
D. All the above
Answer : D

4. The universal donor belongs to blood group
A. A
B. B
C. AB
D. O
Answer : D

5. 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

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

7. Which of the following diseases are not bacterial?
A. cholera and diphtheria
B. trichomonasis and malaria
C. tetanus and typhoid
D. tuberculosis and leprosy
Answer : B

8. The best and easy method of control of crop pests is by
A. crop rotation
B. chemicals
C. quarantine
D. biological control
Answer : A

9. Which one of the following seeds can benefit a patient of diabetes mellitus by normalising his blood sugar level?
A. Coriander seeds
B. Fenugreek seeds
C. Cumin seeds
D. Mustard seeds
Answer : B

10. The aphotic zone means that light is
A. always present
B. present during day
C. always absent
D. present during night
Answer : C

11. A plant cell is distinguishable from an animal cell by the presence of
A. nucleus
B. cell wall
C. chloroplasts
D. cell membrane
Answer : B

12. Excess of amino-acids are broken down to form urea in the
A. Liver
B. Kidney
C. Spleen
D. Rectum
Answer : A

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

14. The amount of blood in a normal man is about
A. 5.0 litres
B. 2.5 litres
C. 3.8 litres
D. 4.7 litres
Answer : A

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

16. 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

17. Hormones are carried from their place of production by
A. ducts
B. blood
C. lymph
D. muscus
Answer : B

18. Translocation of food takes place in plants through
A. xylem
B. phloem
C. cambium
D. cortex
Answer : B

19. Vessels leaving the heart are
A. veins
B. arteries
C. capillaries
D. lymph ducts
Answer : B

20. The hormone that is responsible for secondary sexual character in the male is
A. oestrogen
B. progesterone
C. testosterone
D. prolactin
Answer : C

21. 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

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

23. Who first observed the plasma membrane?
A. William Seifriz
B. Schwann
C. Palade
D. None of the above
Answer : A

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. Organisms that depend only on raw plant products are said to be
A. herbivorous
B. vegetarian
C. carnivorous
D. omnivorous
Answer : A

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

27. Man has ____ pairs of salivary glands.
A. 3
B. 4
C. 6
D. 8
Answer : A

28. Which one of the following is not an essential micronutrient for plants?
A. Boron
B. Zinc
C. Sodium
D. Copper
Answer : C

29. 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

30. The study of heart is called
A. haematology
B. cardiology
C. pathology
D. nephrology
Answer : B

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

32. The energy for the sperm to swim and reach the egg is provided by
A. tail
B. head
C. neck
D. mitochondria
Answer : D

33. The animal without urinary bladder is
A. Bird
B. Man
C. Rabbit
D. Cow
Answer : A

34. 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

35. Genes are made of
A. Carbohydrates
B. Proteins
C. Fats
D. Nucleotides
Answer : D

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

37. 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

38. Total number of amino acids in plants is
A. 10
B. 20
C. 30
D. Plenty
Answer : B

39. Cretinism is due to the disorder of the glands
A. Thymus
B. Parathyroid
C. Thyroid
D. Adrenal
Answer : C

40. An inherited characteristic which does not appear in one generation but can appear in the next is called
A. dominant
B. recessive
C. homozygous
D. heterozygous
Answer : B

41. Edward Jenner to find out the efficacy of vaccination used
A. his own body
B. his friend's body
C. a corpse
D. a laboratory animal
Answer : A

42. Biologists have so far known, found and identified a large number of species in the plant and animal kingdom. In terms of numbers, the largest found and identified so far is from among the
A. fungi
B. plants
C. insects
D. bacteria
Answer : C

43. Which among the following animals has the largest Intestine?
A. Cow
B. Lion
C. Monkey
D. Tiger
Answer : A

44. The latest drug for cancer is obtained from
A. Strychnos nuxvomica
B. Vinca rosea
C. Atropa belladona
D. Phyllanthus niruri
Answer : B

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

46. Biological control is to check growth of
A. plants
B. animals
C. weeds
D. one pest by another
Answer : D

47. Antibodies are formed in
A. lymph nodes
B. red bone marrow
C. spleen
D. liver
Answer : B

48. 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

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

50. Nucleus was first discovered by
A. Porter
B. Robert Brown
C. Palade
D. None of these
Answer : B