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

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

2. Who coined the term gene?
A. Mendel
B. Devries
C. Jacob and Monod
D. Johanson
Answer : D

3. 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

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

5. 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

6. Which of the following crops helps in nitrogen fixation?
A. Rice
B. Wheat
C. Maize
D. Beans
Answer : D

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

8. The cell theory of Schleiden and Schwann states that
A. cells reproduce by mitosis or meiosis
B. all cells have nuclei
C. cells are basic units of plants and animals
D. cells arise only from pre-existing cells
Answer : C

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

10. 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

11. Small pox is caused by
A. bacteria
B. fungus
C. virus
D. algae
Answer : C

12. What is the other name for the brain?
A. myelon
B. encephalon
C. cephalon
D. All the above
Answer : B

13. 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

14. 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

15. Blood cancer is otherwise called
A. Leukaemia
B. Leucoderma
C. Leucocytopenia
D. Erythrocemia
Answer : A

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

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

18. 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

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

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

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

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

23. Which one of the following genetical disease is sex-linked?
A. Royal haemophilia
B. Tay-Sachs disease
C. Cystic fibrosis
D. Hypertension
Answer : A

24. 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

25. The hypothesis that living matter originated in the past from non-living matter is supported by
A. Fossil records
B. Miller's experiments
C. Pasteur experiment
D. Spallanzeni experiment
Answer : B

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

27. Blood plasma from which fibrinogen is removed is known as
A. serum
B. blood concentrate
C. lymph
D. antibody component
Answer : A

28. What do you mean by lentic biota?
A. Plants and animals in lakes and ponds
B. Plants and animals in forest
C. Plants and animals in sea water
D. Desert plants and animals
Answer : A

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

30. Oparin is known for his hypothesis on
A. origin of species
B. origin of life
C. one germ one disease
D. one gene one enzyme
Answer : B

31. The spores of Puccinia formed on the leaves of wheat are called
A. Basidiospores
B. Ascidiospores
C. Uredospores
D. Pycnospores
Answer : C

32. Plague is caused by
A. Bacteria
B. Virus
C. Fungus
D. Fleas
Answer : A

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

34. 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

35. Hormones are carried from their place of production by
A. Ducts
B. Blood
C. Lymph
D. Mucus
Answer : B

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

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

38. What is the bacterial disease in lime fruits?
A. Phythophthora
B. White rust
C. Citrus canker
D. Smut disease
Answer : C

39. 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

40. Herbivores are
A. primary consumers
B. secondary consumers
C. tertiary consumers
D. decomposers
Answer : A

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

42. Vaccine for influenza has been discovered by
A. Khorana
B. John
C. Mittel
D. Salk
Answer : D

43. Vivipary is defined as germination
A. during storage
B. within the fruit
C. with cotyledons coming out of soil
D. with cotyledons remaining inside the soil
Answer : B

44. The disease in which blood clotting does not take place is known as
A. Xerophthalmia
B. Haemopoeisis
C. Haemophilia
D. Haemoerythrin
Answer : C

45. 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

46. The tallest tree in the world Sequoia™ is found in
A. UK
B. USA
C. former USSR
D. China
Answer : B

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

48. Mendel chose for his experiments the plant
A. Bean
B. Pea
C. Cucumber
D. Rose
Answer : B

49. The small pox vaccine was discovered by
A. Louis Pasteur
B. Edward Jenner
C. John
D. Harvey
Answer : B

50. The valve between the right auricle and right ventricle is called
A. Tricuspid
B. Bicuspid
C. Monocuspid
D. Semilunar
Answer : A