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
