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Life Science MCQ Questions Answers Biology Practice Set

Life Science MCQ Questions with Answers – Biology Objective Sample Practice Set

1) Plants receive their nutrients mainly from ?





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2) The poison of honey bee is ?





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3) Plant development is influenced by

a) quality of light only

b) quality and quantity of light

c) quality and duration of light

d) quality, quantity and duration of light

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4) Number of chromosomes in Down’s syndrome is

a) 46

b) 47

c) 48

d) 49

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5) The ABO bloodgroups were discovered by

a)Charles Darwin

b) Karl Landsteiner

c) Gregor Mendel

d) Watson

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6) Which is the chief nitrogenous waste in humans ?


b) Ammonia

c) Uric acid

d) Ammonium nitrate

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7) One of the following is most suitable for study of mutations

a) Haploids

b) Diploids

c) Tetraploids

d) Polyploid

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8) O2 released in the process of photosynthesis comes from

a) CO2

b) water

c) sugar

d) pyruvic acid

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9) Branch of science which used in test of breast cancer ?

a) Mycology

b) Mammography

c) Microbiology

d) Morphology

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10) Human blood is a viscous fluid due to

a) Platelets in plasma

b) Proteins in blood

c) RBC and WBC in blood

d) Sodium in serum

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