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

1. The enzyme that is necessary to bring about clotting of blood is
A. peptidase
B. amylase
C. lipase
D. thrombokinase
Answer : D

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

3. Malaria is transmitted from one person to another by
A. bad air
B. flies
C. anopheles mosquito
D. culex mosquito
Answer : C

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

5. The counting of RBCs is done with
A. haemocytometer
B. haemoglobinometer
C. clinostat
D. thermometer
Answer : A

6. Lamarck's theory of inheritance of acquired characters was challenged by
A. August Weismann
B. Hugo de Vries
C. Herbert- Spencer
D. Carl Linnaeus
Answer : A

7. 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

8. Blood of cockroach is
A. red
B. bluish
C. greenish
D. colourless
Answer : D

9. Fledgling is a term often used to denote the young one of a
A. bird
B. fox
C. dog
D. man
Answer : A

10. 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

11. 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

12. The two minerals required to keep teeth and bones intact and in good condition are
A. lead and zinc
B. calcium and phosphorus
C. copper and sulphur
D. iron and iodine
Answer : B

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

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

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

16. The condition in which there is abnormal decrease of white blood corpuscles is known as
A. leukaemia
B. leucoderma
C. leukopenia
D. anaemia
Answer : C

17. Organisms that live in the deep sea are mainly
A. Herbivores
B. Carnivores
C. Detritivores
D. None of the above
Answer : C

18. DNA is found
A. only in cytoplasm
B. only in nucleus
C. in both cytoplasm and nucleus
D. in hybrid form only
Answer : C

19. One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children.
A. Tetanus
B. Tuberculosis
C. Whooping cough
D. Diphtheria
Answer : B

20. Malnutrition is due to
A. undernourishment
B. want of balanced diet
C. overfeeding
D. All the above
Answer : A

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

22. In phototropism, auxins
A. Promote growth of cells
B. Inhibit cell division
C. Inhibit growth of cells
D. Stimulate differential growth of cells
Answer : A

23. 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

24. The olfactory area is concerned with
A. smell
B. sight
C. hearing
D. speech
Answer : A

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

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

27. Dialysis is used when there is a failure of
A. heart
B. lungs
C. liver
D. kidneys
Answer : D

28. Savannah is
A. grass land
B. desert
C. forest
D. snow clad mountains
Answer : A

29. Lecuminous plants are recommended for rotation of crops because they
A. kill harmful insects
B. require little amount of water
C. help in Nitrogen fixation
D. are cash crops
Answer : C

30. Which one of the following is viral disease?
A. Syphilis
B. Influenza
C. Lock Jaw
D. Typhoid
Answer : B

31. Who discovered the electron microscope?
A. Knoll and Ruska
B. Rudolf and Kolliker
C. Robert Hooke
D. CP Swanson
Answer : A

32. Spiders can take only
A. solid food
B. liquid food
C. plant juice
D. flesh of dead animals
Answer : B

33. Cancer cells are more easily damaged by radiation than normal cells because they are
A. different in structure
B. non-dividing
C. starved of nutrition
D. undergoing rapid division
Answer : D

34. 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

35. 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

36. Accepted theory for the origin of life is
A. Cosmozoic theory
B. Biogenesis
C. Abiogenesis
D. Oparin's theory
Answer : D

37. 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

38. When does the heart start functioning?
A. At birth
B. After birth
C. Before birth
D. After a week from birth
Answer : C

39. Timberline shows
A. a line of trees
B. the limit of the forest
C. annual rings
D. height of trees
Answer : B

40. Loss of blood is minimized due to blood
A. clotting
B. receding
C. healing
D. drying up
Answer : A

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

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

43. 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

44. Spontaneous generation signifying the development of living organisms from non-living has been termed
A. Biogenesis
B. Abiogenesis
C. Cosmozoic
D. Catastrophism
Answer : B

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

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

47. 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

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

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

50. The endocrine glands secrete
A. bile
B. harmones
C. sweat
D. genes
Answer : B