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

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

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

3. Eosinophil™s are stained by
A. alkaline dyes
B. acidic dyes
C. neutral dyes
D. vital stains
Answer : B

4. The animal that excretes uric acid
A. Monkey
B. Lizard
C. Mouse
D. Elephant
Answer : B

5. The mouth of a river opening into the sea is termed as
A. shore line
B. littoral zone
C. continental shelf
D. estuary
Answer : D

6. 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

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

8. 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

9. 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

10. Maize is attacked by
A. Phytophthora
B. Pythium
C. Ustilago
D. Puccinia
Answer : C

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

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

13. The genetic code DNA is carried from the nucleus to Ribosome by
A. t-RNA
B. r-RNA
C. S-DNA
D. ATP
Answer : B

14. HIV causes
A. cancer
B. hepatitis
C. AIDS
D. Herpes
Answer : C

15. Fusarium causes the wilting of the cotton plants by
A. clogging the vessels
B. producing toxic substance
C. causing necrosis of roots
D. killing the leaves
Answer : B

16. The most primitive mammals are
A. carnivorous
B. herbivorous
C. omnivorous
D. insectivorous
Answer : D

17. Kangaroo is one of the animals popularly called as
A. egglaying
B. pouched
C. placental
D. Volant
Answer : B

18. Blood clot Inside blood vessels is prevented by
A. heparin
B. fibrinogen
C. thrombin
D. prothrombin
Answer : A

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

20. Bird nu is a disease which affects and spreads through
A. Cattle
B. Sheep
C. Prawn
D. Poultry
Answer : D

21. The tear glands help us in
A. sobbing
B. protecting the eye
C. preventing dust
D. providing a clean moist surface
Answer : D

22. India's first transgenic crop was
A. Potato
B. Brinjal
C. Sugarcane
D. Bt cotton
Answer : D

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

24. Origin of species was published by
A. Lamarck
B. Weismann
C. de Vries
D. Charles Darwin
Answer : D

25. Kwashiorkar is a deficiency disease
A. due to poor intake of proteins
B. due to poor intake of carbohydrates
C. due to (a) and (b)
D. due to poor intake of lipids
Answer : A

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

27. The germ theory of diseases was put forward by
A. Louis Pasteur
B. Luister
C. Leuwenhoek
D. Flemming
Answer : A

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

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

30. 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

31. The workers in the honey bee colony are
A. males
B. females
C. sterile females
D. intersex
Answer : C

32. 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

33. Lymphocytes are manufactured by
A. bone marrow
B. spleen
C. liver
D. lymph nodes
Answer : B

34. The bile contains the pigments
A. haemoglobin and haemoerythrin
B. biliviridin and bilirubin
C. bilirubin and haemocyanin
D. haemoglobin and biliviridin
Answer : B

35. The two German scientists who proposed the 'cell theory' were
A. Mendel and 'Darwin
B. Theodore Schwann and Matthias Schleiden
C. Virchow and Purkinje
D. porter and Palade
Answer : B

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

37. Dwarf plants can be made to attain their normal stature by applying
A. IAA
B. Ethylene
C. Gibberelins
D. Cytokinins
Answer : C

38. The science of improving the hereditary qualities of future generations of mankind is referred to as
A. genetics
B. eugenics
C. epigenesist
D. epistasis
Answer : B

39. Metastasis' is the process by which
A. cells divide rapidly under the influence of drugs
B. cancer cells spread through the blood or lymphatic system to other sites or organs
C. the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles
D. cance cells are successfully inhibited to divide any futhere
Answer : B

40. In case of a heart attack a hormone is injected as an emergency measure. Which one is it?
A. Thyroxine
B. Vasopressin
C. Heparin
D. Insulin
Answer : C

41. Hypogeal germination is found in
A. castor
B. onion
C. bean
D. bengal gram
Answer : D

42. The most accepted theory of the origin of earth is the fiery origin which was propounded by
A. Laplace
B. Chamberlain
C. James Jean
D. Hoyle
Answer : B

43. The hypoglossal nerves are the pairs of the spinal nerves
A. First pair
B. Second pair
C. Third pair
D. Fourth pair
Answer : A

44. Which among the following is a communicable disease?
A. Beri Beri
B. Diabetes
C. Leucoderma
D. Dysentery
Answer : D

45. The theory that believes that the first living organism came from another planet is known as
A. Catastrophism
B. Special creation
C. Organic evolution
D. Cosmozoic theory
Answer : D

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

47. Bordetella pertussis causes
A. tetanus
B. diphtheria
C. whooping cough
D. rabies
Answer : C

48. Ecology of a population is known as
A. demecology
B. synecology
C. autecology
D. space ecology
Answer : A

49. A person with a blood group ____ is considered to be an universal donor.
A. A Positive
B. AB Positive
C. AB Negative
D. O Positive
Answer : D

50. Oxygen transportation in human body takes place through
1) Blood
2) Lungs
3) Tissue
The correct sequence of transportation is
A. 1, 2 and 3
B. 3, 1 and 2
C. 2, 1 and 3
D. 1,3 and 2
Answer : C