Biology MCQs

1496 MCQs  — Everyday Science MCQs  (Page 71 of 150)

Attempt Biology Quiz
Of the following, which one causes higher production of food in green plants?
A. Blue
B. Orange
C. Red
D. Violet
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Photosynthesis carried out by terrestrial plants is _________ of total photosynthesis?
A. 1-2%
B. 5%
C. 10%
D. 20%
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Stomata cover only ______________ of leaf surface?
A. 0.03 – 0.04%
B. 10%
C. 1-2 %
D. 50%
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Reduction in photosynthesis is of____________?
A. O2
B. Co2
C. H2o
D. Light energy
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NADPH2 provides___________?
A. Assimilatory power
B. Chemical energy
C. Energized electrons
D. All of these
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Of the following, which one light – gathering?
A. Antenna complex
B. Reaction centre
C. Photosystem
D. None of these
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Photosystem II has molecules which absorbs maximum light of___________?
A. 680 nm
B. 100 m
C. 700 nm
D. 670 nm
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Glycolysis takes place in____________?
A. Nucleus
B. Cytosol
C. Mitochondria.
D. Ribosomes
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Complete breakdown of glucose molecule takes place in which of the following?
A. Alcoholic fermentation
B. Lactic acid fermentation
C. Aerobic respiration
D. All of these
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In alcoholic fermentation Pyruvic acid is broken down into?
A. Acetaldehyde
B. Methyl alcohol
C. Ethyl alcohol
D. Lactic acid
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Word of the Day
14 Jul
Obscenity
the state or quality of being obscene.
بےہودگی، فحاشی، بے شرمی

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