Bioenergetics MCQs (PDF Download )

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Bioenergetics MCQs With Answers (PDF Download)

Q. Which of the following best describes how catabolism and anabolism are chemically connected?

A. AMP

B. ADP

C. ATP

D. All of these


Q. The conversion of carbon dioxide (CO2) and hydrogen (H2O) molecules to glucose (a carbohydrate) is known as photosynthesis.

A. Organic

B. Energy-rich

C. Energy-poor

D. Reduced


Q. C6H12O6 + 6O2, 6CO2, 6H20, and ENERGY stand for:

A. Photosynthesis

B. Aerobic respiration

C. Anaerobic respiration

D. Respiration


Q. When there isn’t a net gas exchange between the atmosphere and the leaves.

A. Daytime.

B. Night time.

C. Dawn & Dusk.

D. Midnight.


Q. Which of the following is a point of compensation?

A. Leaves respire and utilize O2 and release CO2.

B. Photosynthesis and respiration occur at the same rate. So there is no net exchange of gases between atmosphere and Plant.

C. The rate of photosynthesis increases, so does the O2 production, with a net release of oxygen coupled with the uptake of CO2.

D. The rate of respiration becomes more than the rate of photosynthesis.


Q. Energy interactions in biological systems are studied quantitatively.

A. Bioenergetics

B. Laws of thermodynamics

C. Laws of thermochemistry

D. Laws of chemical energetic


Q. The species that can directly harness the energy of sunshine are

A. Plants

B. Animals

C. Omnivores

D. Fungi


Q. Which of the following doesn’t involve the release of energy?

A. Glycolysis

B. Respiration

C. Photosynthesis

D. Kreb’s cycle


Q. H2O’s net production during photosynthesis is

A. 1 molecule

B. 6 molecules

C. 3 molecules

D. 0 molecule


Q. When there is no net gas exchange between the atmosphere and the leaves, this is referred to as

A. Neutral point

B. Compensation point

C. Parallel point

D. Competitive point

Q. The research and examinations on Van Neil’s theory concerning the creation of oxygen during photosynthesis

A. Bacteria

B. Algae

C. Protenema

D. Cyanobacteria


Q. The spectrum of visible light utilised in photosynthesis includes:

A. 300 – 700 nm in wavelength

B. 350 – 750 nm in wavelength

C. 380 – 750 nm in wavelength

D. 390 – 790 nm in wavelength


Q. The light that the plants absorb the least of is:

A. Orange

B. Red

C. Blue

D. Green

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