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 ?

a)atmosphere

b)chlorophyll

c)light

d)soil

View Answer
Option – d)

2) The poison of honey bee is ?

a)Acidic

b)Saltish

c)Alkaline

d)Protein

View Answer
Option – a)

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

View Answer
Option – d)

4) Number of chromosomes in Down’s syndrome is

a) 46

b) 47

c) 48

d) 49

View Answer
Option – b)

5) The ABO bloodgroups were discovered by

a)Charles Darwin

b) Karl Landsteiner

c) Gregor Mendel

d) Watson

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Option – b)

6) Which is the chief nitrogenous waste in humans ?

a)Urea

b) Ammonia

c) Uric acid

d) Ammonium nitrate

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Option – a)

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

a) Haploids

b) Diploids

c) Tetraploids

d) Polyploid

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Option – a)

8) O2 released in the process of photosynthesis comes from

a) CO2

b) water

c) sugar

d) pyruvic acid

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Option – b)

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

a) Mycology

b) Mammography

c) Microbiology

d) Morphology

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Option – b)

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

View Answer
Option – b)