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. During light reaction, the active chlorophyll forms are:

A) both P680 and P700

B) P-690

C) P-700

D) P-680

2 / 20

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

A) PGAL

B) RUBP

C) None of these

D) PGA

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3. NADHH+ and FAD+ collectively yield:

A) 5ATP

B) 3ATP

C) 2ATP

D) 6ATP

4 / 20

4. Haeme portion of haemoglobin contains:

A) oxygen atom

B) magnesium atom

C) iron atom

D) Ca

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

A) 700 nm

B) 680 nm + 700 nm

C) 690 nm

D) 680 nm

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6. Wavelengths that are least absorbed by chlorophyll are:

A) yellow

B) green

C) indigo

D) all of these

7 / 20

7. Each chemical reaction in cellular respiration requires:

A) NADP

B) specific enzyme

C) ATP

D) ATP and NADP

8 / 20

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

A) algae

B) blue-green algae

C) green algae

D) golden algae

9 / 20

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

A) CO2 and H2O

B) NADP

C) glucose

D) ATP

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10. More familiarly respiration or external respiration means:

A) oxidation-reduction

B) oxidation

C) hydrolytic reactions

D) exchange of respiratory gases

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

A) 3

B) 12

C) 6

D) 18

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12. Carbon dioxide enters the leaves through:

A) pore

B) stomata

C) hydathodes

D) guard cells

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

A) RUBP

B) galactose

C) glucose

D) G3p

14 / 20

14. The wavelength of visible light longer than:

A) ultra violet

B) infra-red

C) microwaves

D) radiowaves

15 / 20

15. Which is not photosynthetic?

A) moss

B) grass

C) mushroom

D) fern

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16. Which process needs oxygen?

A) krebs cycle

B) chemiosmosis

C) glycolysis

D) ETS

17 / 20

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

A) 18

B) 6

C) 12

D) 0

18 / 20

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

A) all of these

B) O2

C) ATP

D) NADPH2

19 / 20

19. Heterotroph gets energy from:

A) inorganic

B) light

C) organic

D) heat

20 / 20

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

A) ATP and NADPH

B) ATP, NADPH and FAD

C) NADPH

D) ATP

Your score is

Biology Bioenergetics MCQs With Answers

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