Biology Mcqs

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Biology Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.

 

76. What is the normal lifespan of Red Blood Cells
(a) 120 Days
(b) 90 Days
(c) 60 Days
(d) 150 Days

 

77. Which of the following is least effective in photosynthesis
(a) Sunlight
(b) Red light
(c) Blue light
(d) Green light

 

78. Respiration of fish is through
(a) Arriers
(b) Gills
(c) Trachea
(d) Stomata

 

79. Plants receive their nutrients mainly from
(a) Chlorophyll
(b) atmosphere
(c) Light
(d) Soil

 

80. The skeleton makes up what percentage of the body’s weight
(a) 35%
(b) 15%
(c) 5%
(d) 25%

 

81. The normal temperature of the human body is
(a) 90°F
(b) 98°F
(c) 98.6°F
(d) 96.4°F

 

82. Loss of memory is caused by the destruction of
(a) Medulla
(b) Cerebrum
(c) Cerebellum
(d) Pons

 

83. The artificial kidney operates on the principle of
(a) Diffusion
(b) Osmosis
(c) Dialysis
(d) Transport

 

84. Lowest rate of photosynthesis takes place in
(a) Orange light
(b) Red light
(c) Green light
(d) Blue light

 

85. The largest part of most diets are made up of
(a) Nucleic acid
(b) Proteins
(c) Carbohydrates
(d) Lipids

 

86. A man with color blindness will see red as
(a) Green
(b) Yellow
(c) Blue
(d) Violet

 

87. Which blood group is known as the ‘universal donor’
(a) A-
(b) 0+
(c) 0-
(d) A+

 

88. Which of the following is not a mammal
(a) Fish
(b) Cow
(c) Goat
(d) Whale

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