Top 150+ Solved Photosynthesis MCQ Questions Answer

From 121 to 135 of 139

Q. _______ are placed one above the other to form stack of coins

a. oxysome

b. F1 particles

c. cristae

d. thylakoids

  • d. thylakoids

Q. Unidirectional flow of e- in non-cyclic photophosphorylation is

a. PSII PS-I NADP water

b. Water PS-II PS-I NADP

c. PSI NADP water PS II

d. Water PSI PSII NADP

  • b. Water PS-II PS-I NADP

Q. The head and tail of chlorophyll are made up of

a. Pyrrole and tetrapyrrole

b. Porphyrine and phyrin

c. Pophyrine and phytol

d. Tetrapyrrole and magnesium

  • c. Pophyrine and phytol

Q. Action spectrum is

a. A graph showing amount of light absorbed

b. A graph showing rate of photosynthesis

c. A graph showing absorption of light

d. A graph showing amount of CO2 released

  • b. A graph showing rate of photosynthesis

Q. C40H56O2 is molecular formula of

a. Xanthophyll

b. Carotenes

c. Chlorophylls

d. Phycobillins

  • a. Xanthophyll

Q. Quantasome contains

a. 150-200 chlorophyll molecule

b. 200 chlorophyll molecules

c. 230-250 chlorophyll molecules

d. 300-350 chlorophyll molecules

  • c. 230-250 chlorophyll molecules

Q. Erythrose monophosphate (4C) is formed during

a. CAM pathway

b. C4 pathway

c. Conversion of fructose to glucose

d. Regeneration of RuBP

  • d. Regeneration of RuBP

Q. Donor and acceptor of electrons is the same chlorophyll molecule in

a. Cyclic phtophosphorylation

b. Photorespiration

c. Substrate level phosphorylation

d. Non-cyclic photophosphorylation

  • a. Cyclic phtophosphorylation

Q. If a photosynthsing plant releases O18, it is concluded that the plant has been supplied with

a. Water containing O18

b. Oxygen in the form of ozone

c. Sugar containing O18

d. Carbon dioxide containing O18

  • a. Water containing O18

Q. Which of the following connet the primary and secondary processes of photosynthesis?

a. NADPH2

b. ATP and NADPH2

c. ATP

d. Ferridoxins

  • b. ATP and NADPH2

Q. C4 plants can perform photosynthesis

a. Even in low light intensity

b. Even in low CO2 concentration

c. Both (A) and (B)

d. Only in high intensity of light and high CO2

  • b. Even in low CO2 concentration

Q. In Hill’s experiment, Hill used ______ as oxygen acceptor,

a. Hydrogen

b. FAD

c. NADP

d. Haemoglobin

  • d. Haemoglobin

Q. Fret channel is a another name for

a. Stroma lamellae

b. Intergranal lamellae

c. Grana lamellae

d. Space present in stroma lamellae

  • d. Space present in stroma lamellae

Q. Bundle sheath chloroplast of C4 plants are

a. Large and agranal

b. Large and granal

c. Small and granal

d. Small and agranal

  • a. Large and agranal
Subscribe Now

Get All Updates & News