general science

Biology MCQ Questions and Answers Page - 1

1.

Q

Answer/ Hint      

Answer : Select Correct Ans

Explanation :

2.

The cross-section of a stem of tree has fifty rings, what is the age of the tree ?

Answer/ Hint      

Answer : D

Explanation :

3.

What are the basic units from which human spare parts can be created ?

Answer/ Hint      

Answer : B

Explanation :

4.

What are the blood corpuscles that help to build up resistance against diseases ?

Answer/ Hint      

Answer : A

Explanation :

5.

The presence of what distinguishes a plant cell from an animal cell ?

Answer/ Hint      

Answer : A

Explanation :

6.

Which among the following bears smallest living cell ?

Answer/ Hint      

Answer : B

Explanation :

7.

The tissue in man where no cell division occurs after birth is

Answer/ Hint      

Answer : B

Explanation :

8.

Which one of the following cells produces antibodies ?

Answer/ Hint      

Answer : D

Explanation :

9.

The main function of white blood cells in the body is to

Answer/ Hint      

Answer : D

Explanation :

10.

The largest cell in the human body is :

Answer/ Hint      

Answer : A

Explanation :

11.

Which of the following makes the skin layer impervious to water ?

Answer/ Hint      

Answer : C

Explanation :

12.

Which of the following is a correct description of ‘tissue culture’ ?

Answer/ Hint      

Answer : C

Explanation :

13.

Which one of the following is true regarding plant cells and animal cells ?

Answer/ Hint      

Answer : A

Explanation :

14.

Fluid part of blood devoid of corpuscles is called

Answer/ Hint      

Answer : C

Explanation :

15.

The branch of biology dealing with the study of cells is known as

Answer/ Hint      

Answer : A

Explanation :

16.

Cell or tissue death within a living body is called as

Answer/ Hint      

Answer : C

Explanation :

17.

Plasma membrane in eukaryotic cells is made up of

Answer/ Hint      

Answer : A

Explanation :

18.

Which one of the following is also called the ‘power house’ of the cell ?

Answer/ Hint      

Answer : B

Explanation :

19.

Which cells in our body have the least regenerative power ?

Answer/ Hint      

Answer : A

Explanation :

20.

In human body, cartilage is found in

Answer/ Hint      

Answer : B

Explanation :

21.

The structure in cells which contains light absorbing pigment is

Answer/ Hint      

Answer : C

Explanation :

22.

Stem cells which are capable of developing into other types of cells come from the

Answer/ Hint      

Answer : C

Explanation :

23.

Transport of oxygen by blood takes place with the help of

Answer/ Hint      

Answer : A

Explanation :

24.

In a plant, the xylem tissue conducts :

Answer/ Hint      

Answer : A

Explanation :

25.

Cellulose is the chief constituent of

Answer/ Hint      

Answer : A

Explanation :

26.

The food conducting tissue of a plant is

Answer/ Hint      

Answer : A

Explanation :

27.

Which of the following is an example of tissue ?

Answer/ Hint      

Answer : B

Explanation :

28.

Most fish do not sink in water because of the presence of

Answer/ Hint      

Answer : C

Explanation :

29.

Plants differ from animals in having

Answer/ Hint      

Answer : C

Explanation :

30.

The red colour of human blood is due to

Answer/ Hint      

Answer : B

Explanation :

31.

The cells which are responsible for the production of antibodies are

Answer/ Hint      

Answer : C

Explanation :

32.

Fiber diet includes :

Answer/ Hint      

Answer : C

Explanation :

33.

Which of the following cytoplasmic organelles are treated as prokaryotic cells within the eukaryotic cells ?

Answer/ Hint      

Answer : A

Explanation :

34.

Which of the following organelles is called ‘Atom bombs’ ?

Answer/ Hint      

Answer : D

Explanation :

35.

Which one of the following is called the ‘digestive bag’ in the cell ?

Answer/ Hint      

Answer : D

Explanation :

36.

Which one of the following is known as the ‘immovable property’ in the cell ?

Answer/ Hint      

Answer : D

Explanation :

37.

The average life span of red blood corpuscles is about

Answer/ Hint      

Answer : B

Explanation :

38.

The life span of RBC of man is

Answer/ Hint      

Answer : B

Explanation :

39.

Of which tissue nails, hoofs and horns are made of

Answer/ Hint      

Answer : C

Explanation :

40.

RBCs do not perform aerobic respiration because these do not contain

Answer/ Hint      

Answer : A

Explanation :

41.

The basic structural and functional unit of living organisms is

Answer/ Hint      

Answer : A

Explanation :

42.

The smallest size of a cell that can be seen with naked eye is :

Answer/ Hint      

Answer : C

Explanation :

43.

Blood is a :

Answer/ Hint      

Answer : A

Explanation :

44.

Tendons and ligaments are

Answer/ Hint      

Answer : A

Explanation :

45.

In plant – water relationships, symbol ‘YW’ is used to represent

Answer/ Hint      

Answer : B

Explanation :

46.

Which bacterial strain developed from natural isolates by genetic manipulations can be used for treating oil spills ?

Answer/ Hint      

Answer : D

Explanation :

47.

A cellulosic wall is found in the cells of

Answer/ Hint      

Answer : D

Explanation :

48.

The largest White Blood Corpuscle is

Answer/ Hint      

Answer : B

Explanation :

49.

Crossing – over occurs during

Answer/ Hint      

Answer : C

Explanation :

50.

Beak is formed by

Answer/ Hint      

Answer : B

Explanation :

51.

Cell becomes turgid because of

Answer/ Hint      

Answer : C

Explanation :

52.

First successful heart transplantation was done by

Answer/ Hint      

Answer : B

Explanation :

53.

Yellow Fever is transmitted by

Answer/ Hint      

Answer : A

Explanation :

54.

Washing of peeled vegetables removes the Vitamin

Answer/ Hint      

Answer : B

Explanation :

55.

According to  WHO,  the bird flue virus cannot be transmitted through food cooked beyond

Answer/ Hint      

Answer : B

Explanation :

56.

Which of the following is a perfect match  ?

Answer/ Hint      

Answer : D

Explanation :

57.

The vitamin that helps to prevent infections in the human body is

Answer/ Hint      

Answer : C

Explanation :

58.

The H5N1 virus which causes bird flu was first discovered in

Answer/ Hint      

Answer : C

Explanation :

59.

Tetanus is caused by

Answer/ Hint      

Answer : A

Explanation :

60.

Vitamin E is particular important for

Answer/ Hint      

Answer : C

Explanation :

61.

The deficiency of vitamin B causes

Answer/ Hint      

Answer : C

Explanation :

62.

The expansion for AIDS is

Answer/ Hint      

Answer : C

Explanation :

63.

Among the defects of eye, the short sightedness is called

Answer/ Hint      

Answer : C

Explanation :

64.

Pick out the viral Disease among the following  :

Answer/ Hint      

Answer : A

Explanation :

65.

Vegetables are easily perishable because of their high content of

Answer/ Hint      

Answer : B

Explanation :

66.

Anaemia occurs due to the deficiency of

Answer/ Hint      

Answer : C

Explanation :

67.

For a healthy heart, one needs to take a balanced diet, adequate sleep and

Answer/ Hint      

Answer : C

Explanation :

68.

Amoebic dysentery is caused by

Answer/ Hint      

Answer : A

Explanation :

69.

Which of the following is incorrect  ?

Answer/ Hint      

Answer : D

Explanation :

70.

Insufficient blood supply in human body is referred as

Answer/ Hint      

Answer : A

Explanation :

71.

Deep fried food materials are carcinogenic because they are rich in

Answer/ Hint      

Answer : B

Explanation :

72.

The toxicity of which of the following heavy metals leads to liver cirrbosis  ?

Answer/ Hint      

Answer : A

Explanation :

73.

BCG immunization is for

Answer/ Hint      

Answer : B

Explanation :

74.

A medicine which promotes the secretion of urine is called

Answer/ Hint      

Answer : C

Explanation :

75.

EEG records the activity of

Answer/ Hint      

Answer : C

Explanation :

76.

Which one of these is a communicable disease  ?

Answer/ Hint      

Answer : B

Explanation :

77.

Which of the following diseases usually spreads through air  ?

Answer/ Hint      

Answer : C

Explanation :

78.

Small Pox is caused by

Answer/ Hint      

Answer : B

Explanation :

79.

Ringworm is a  ___________  disease.

Answer/ Hint      

Answer : D

Explanation :

80.

The vitamin most readily destroyed by heat is

Answer/ Hint      

Answer : B

Explanation :

81.

Which one of the following is not a vaccine  ?

Answer/ Hint      

Answer : D

Explanation :

82.

The disease that is caused by virus is

Answer/ Hint      

Answer : C

Explanation :

83.

The discoverer of penicillin was

Answer/ Hint      

Answer : B

Explanation :

84.

The noble gas used for the treatment of cancer is

Answer/ Hint      

Answer : D

Explanation :

85.

White lung disease is prevalent among the workers of  :

Answer/ Hint      

Answer : C

Explanation :

86.

Iodoform is used as an  :

Answer/ Hint      

Answer : C

Explanation :

87.

The vector of disease sleeping sickness is

Answer/ Hint      

Answer : D

Explanation :

88.

Leukaemia or blood cancer is characterised by abnormal in crease of the –

Answer/ Hint      

Answer : B

Explanation :

89.

Male (Anopheles) mosquito feeds on  :

Answer/ Hint      

Answer : B

Explanation :

90.

Growth of the body in the uterus is found using

Answer/ Hint      

Answer : C

Explanation :

91.

Polio is caused by

Answer/ Hint      

Answer : C

Explanation :

92.

Acupuncture is

Answer/ Hint      

Answer : C

Explanation :

93.

Amoebiasis is causing

Answer/ Hint      

Answer : A

Explanation :

94.

What is the common in AIDS, mumps and poliomyelitis  ?

Answer/ Hint      

Answer : C

Explanation :

95.

The deficiency of iron in man result in

Answer/ Hint      

Answer : A

Explanation :

96.

Protein which renders a cell less susceptible to attack by viruses is called –

Answer/ Hint      

Answer : D

Explanation :

97.

A drug which helps in controlling fever is

Answer/ Hint      

Answer : C

Explanation :

98.

Aspartame is the name of a product used by diabetic patients as a sweetening agent. It belongs to the class of –

Answer/ Hint      

Answer : B

Explanation :

99.

Which one of these is a communicable disease  ?

Answer/ Hint      

Answer : B

Explanation :

100.

Which one of the following pairs is correctly matched  ?

Answer/ Hint      

Answer : C

Explanation :

Biology MCQ Questions and Answers Page - 1
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