At what wavelength does the chlorophyll a molecule of photosystem I absorb light most strongly?
Correct answer C. 700
Topic / 54 questions
Bioenergetics MCQs
Page 2 of Bioenergetics multiple-choice questions with answers. Tap an option to check yourself.
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- Biological Molecules 74
- Coordination and Control 72
- Biology Diagnostic 70
- Cell Structure and Function 67
- Biotechnology 65
- Reproduction 58
- Bioenergetics 55
- Circulation 50
- Inheritance 48
- Digestion 45
- Immunity 45
- Support and Movement 45
- Acellular Life (Viruses) 45
- Homeostasis 45
- Respiration and Gaseous Exchange 45
- Evolution 45
- Enzymes 45
- Cell Cycle 41
- Chromosome and DNA 40
- Biology Introduction 38
- Ecosystem 27
What percentage of the air is carbon dioxide?
Correct answer B. 0.03-0.04
What is the net yield of water molecules in photosynthesis?
Correct answer C. 0 molecule
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In which organisms do carotenoids perform a protective function?
Correct answer C. Both of these
What is the molecular formula of chlorophyll b?
Correct answer D. C55H70O6N4Mg
Which molecule acts as the chemical link between catabolism and anabolism?
Correct answer A. ATP
From one pyruvate passing through Kreb’s cycle, how many NADH are formed?
Correct answer C. 3
In Anaerobic respiration only ____ % of the energy present within the chemical bond of glucose is converted into ATP.?
Correct answer B. 2%
In which of the following component of the body, lactic acid fermentation takes place:
Correct answer D. Muscles
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Complete breakdown of glucose molecule takes place in which of the following:?
Correct answer C. Aerobic respiration.
Glycolysis takes place in?
Correct answer B. Cytosol
Of the following, which one light – gathering?
Correct answer A. Antenna complex
The percentage of light absorbed by the leaf?
Correct answer D. 1%
About ____ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds.
Correct answer A. 10%
The most important photosynthetic pigment?
Correct answer A. Chlorophyll a
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The dense fluid filled region in the chloroplast is
Correct answer B. Stroma
In all plants the major sites of photosynthesis are?
Correct answer A. Leaves respire and utilize O2 and release CO2.
Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment?
Correct answer C. Carotenoids ? Chlorophyll b ? Chlorophyll a.
Which of the following pigment is Blue- green in color:
Correct answer A. Chlorophyll a
Molecular formula of chlorophyll ‘a’ molecule is:
Correct answer A. C55H72O5N4Mg