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

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1. More familiarly respiration or external respiration means:

A) hydrolytic reactions

B) exchange of respiratory gases

C) oxidation-reduction

D) oxidation

2 / 20

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

A) green algae

B) golden algae

C) blue-green algae

D) algae

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

A) 0

B) 18

C) 6

D) 12

4 / 20

4. Wavelengths that are least absorbed by chlorophyll are:

A) green

B) all of these

C) yellow

D) indigo

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

A) P-680

B) P-690

C) P-700

D) both P680 and P700

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6. Heterotroph gets energy from:

A) organic

B) light

C) heat

D) inorganic

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

A) None of these

B) PGAL

C) PGA

D) RUBP

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

A) 6

B) 12

C) 18

D) 3

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

A) ATP

B) NADPH2

C) O2

D) all of these

10 / 20

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

A) 690 nm

B) 700 nm

C) 680 nm + 700 nm

D) 680 nm

11 / 20

11. Haeme portion of haemoglobin contains:

A) Ca

B) magnesium atom

C) oxygen atom

D) iron atom

12 / 20

12. The wavelength of visible light longer than:

A) ultra violet

B) microwaves

C) radiowaves

D) infra-red

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

A) glucose

B) G3p

C) galactose

D) RUBP

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14. NADHH+ and FAD+ collectively yield:

A) 6ATP

B) 3ATP

C) 2ATP

D) 5ATP

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15. Which is not photosynthetic?

A) moss

B) mushroom

C) grass

D) fern

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

A) NADPH

B) ATP and NADPH

C) ATP

D) ATP, NADPH and FAD

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17. Carbon dioxide enters the leaves through:

A) guard cells

B) stomata

C) hydathodes

D) pore

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

A) glucose

B) ATP

C) NADP

D) CO2 and H2O

19 / 20

19. Each chemical reaction in cellular respiration requires:

A) specific enzyme

B) ATP and NADP

C) NADP

D) ATP

20 / 20

20. Which process needs oxygen?

A) ETS

B) krebs cycle

C) chemiosmosis

D) glycolysis

Your score is

Biology Bioenergetics MCQs With Answers

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