At what wavelength does the chlorophyll a molecule of photosystem I absorb light most strongly?
Correct answer C. 700
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Everyday Science MCQs
Page 105 of Everyday Science multiple-choice questions with answers. Tap an option to check yourself.
Page 105 of 198
Van Niel’s hypothesis about the source of oxygen in photosynthesis was based on studies of which organisms?
Correct answer B. Bacteria
What percentage of the air is carbon dioxide?
Correct answer B. 0.03-0.04
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What is the net yield of water molecules in photosynthesis?
Correct answer C. 0 molecule
Trachoma is a disease of which organ?
Correct answer B. Eyes
How is short-sightedness corrected?
Correct answer C. Concave lens
Leukaemia is a disease of which part of the body?
Correct answer B. Blood
In which organisms do carotenoids perform a protective function?
Correct answer C. Both of these
Myopia is a disorder of which organ?
Correct answer B. Eyes
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Of which human organ is the medulla oblongata a part?
Correct answer A. Brain
Which organ is affected by malaria?
Correct answer C. Spleen
What is the molecular formula of chlorophyll b?
Correct answer D. C55H70O6N4Mg
What is the average heart rate per minute of a healthy man?
Correct answer D. 70
Which molecule acts as the chemical link between catabolism and anabolism?
Correct answer A. ATP
The value of the resting membrane potential of a neuron is about?
Correct answer C. −0.07 V
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What is the role of haemoglobin?
Correct answer D. Transportation of oxygen
What is the main function of the kidney?
Correct answer D. To remove waste products from the body
Which element is the key constituent of haemoglobin?
Correct answer A. Iron
Which is the largest part of the human brain?
Correct answer A. Cerebrum
Which is the largest part of the brain?
Correct answer C. Cerebrum