Biology Bioenergetics MCQs With Answers

Here you are on the right site to get Biology Bioenergetics MCQs With Answers. The bioenergetics chapter comprises the photosynthesis and cellular respiration systems. Through solving these Bioenergetics MCQs students will become able to describe the photosynthetic pigments like Carotenoids and Chlorophyll, cyclic and non-cyclic phosphorylation and Calvin Cycle. Students will also learn the concept of absorption and spectra action through these Bioenergetics MCQs with Answers Pdf. These Bioenergetics MCQs are prepared according to the MDCAT test point of view and students can solve MCQs related to respiration at the cellular level, glycolysis, Kreb’s cycle, and electron transport chain, ATP, FADH and NADH. Alcoholic and lactic acid fermentation will also be covered in this chapter. Multiple choice questions on bioenergetics with answers pdf are available for students who want to test their MDCAT test preparation before appearing in medical and dental college entry tests.

Biology Bioenergetics MCQs With Answers

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Biology Chapter Bioenergetics

1 / 20

1. The net product of non-cyclic electron flow in photosynthesis is:

A) NADPH2

B) all of these

C) ATP

D) O2

2 / 20

2. The wavelength of visible light longer than:

A) infra-red

B) ultra violet

C) radiowaves

D) microwaves

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3. Chlorophyll absorbs light energy, which is converted into chemical energy of:

A) ATP

B) ATP, NADPH and FAD

C) NADPH

D) ATP and NADPH

4 / 20

4. Wavelengths that are least absorbed by chlorophyll are:

A) yellow

B) indigo

C) green

D) all of these

5 / 20

5. An unstable 6-C compound in dark reaction splits into:

A) None of these

B) PGA

C) PGAL

D) RUBP

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6. The carbohydrate produced directly from the Calvin cycle is:

A) RUBP

B) glucose

C) galactose

D) G3p

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7. During light reaction, the active chlorophyll forms are:

A) P-700

B) P-690

C) P-680

D) both P680 and P700

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8. Chlorophyll b is found along with chlorophyll n in all green plants and:

A) golden algae

B) blue-green algae

C) green algae

D) algae

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9. More familiarly respiration or external respiration means:

A) oxidation

B) hydrolytic reactions

C) oxidation-reduction

D) exchange of respiratory gases

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10. Each chemical reaction in cellular respiration requires:

A) ATP and NADP

B) specific enzyme

C) ATP

D) NADP

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11. NADHH+ and FAD+ collectively yield:

A) 3ATP

B) 5ATP

C) 6ATP

D) 2ATP

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12. Haeme portion of haemoglobin contains:

A) Ca

B) iron atom

C) oxygen atom

D) magnesium atom

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13. During respiration, conversion of energy is mainly in the form of:

A) CO2 and H2O

B) glucose

C) ATP

D) NADP

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14. Which process needs oxygen?

A) krebs cycle

B) chemiosmosis

C) ETS

D) glycolysis

15 / 20

15. ATP produced in one Calvin cycle is/are:

A) 0

B) 12

C) 18

D) 6

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16. Chlorophyll a in photosystem I absorb red peaks at:

A) 680 nm

B) 700 nm

C) 680 nm + 700 nm

D) 690 nm

17 / 20

17. Which is not photosynthetic?

A) mushroom

B) moss

C) grass

D) fern

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18. Carbon dioxide enters the leaves through:

A) pore

B) hydathodes

C) guard cells

D) stomata

19 / 20

19. How many molecules of reduced NADP are required to produce one G3P?

A) 12

B) 18

C) 3

D) 6

20 / 20

20. Heterotroph gets energy from:

A) inorganic

B) organic

C) light

D) heat

Your score is

Biology Bioenergetics MCQs With Answers

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