Photosynthesis In Higher Plants | One Liner Question |


1. Which metal ion is a constituent of chlorophyll?
a. Iron
b. Copper
c. Magnesium
d. Zinc

2. Which pigment acts directly to convert light energy to chemical energy?
a. Chlorophyll a
b. Chlorophyll b
c. Xanthophyll
d. Carotenoid

3. Which range of wavelength (in nm) is called photosynthetically active
radiation (PAR)?
a. 100 – 390
b. 390 – 430
c. 400 – 700
d. 760 – 100,00

4. Which light range is least effective in photosynthesis?
a. Blue
b. Green
c. Red
d. Violet

5. Chemosynthetic bacteria obtain energy from
a. Sun
b. Infra red rays
c. Organic substances
d. Inorganic chemicals

6. Energy required for ATP synthesis in PSII comes from
a. Proton gradient
b. Electron gradient
c. Reduction of glucose
d. Oxidation of glucose

7. During light reaction in photosynthesis, the following are formed:
a. ATP and sugar
b. Hydrogen, O2 and sugar
c. ATP, hydrogen, and O2
d. ATP, hydrogen and O2 donor

8. Dark reaction in photosynthesis is called so because
a. It can occur in dark also
b. It does not depend on light energy
c. It cannot occur during daylight
d. It occurs more rapidly at night

9. PEP is primary CO2 acceptor in
a. C4 plants
b. C3 plants
c. C2 plants
d. Both C3 and C4 plants

10. Splitting of water is associated with
a. Photosystem I
b. The lumen of thylakoid
c. Both Photosystem I and II
d. The inner surface of thylakoid membrane

11. The correct sequence of flow of electrons in the light reaction is
a. PSII, plastoquinone, cytochromes, PSI, ferredoxin
b. PSI, plastoquinone, cytochromes, PSII, ferredoxin
c. PSI, ferredoxin, PSII,
d. PSI, plastoquinone, cytochromes, PSII, ferredoxin

12. The enzyme that is not found in a C3 plant is
a. RuBP Carboxylase
b. PEP Carboxylase
c. NADP reductase
d. ATP synthase

13. The reaction that is responsible for the primary fixation of CO2 is
catalysed by
a. RuBP carboxylase
b. PEP carboxylase
c. RuBP carboxylase and PEP carboxylase
d. PGA synthase

14. When CO2 is added to PEP, the first stable product synthesized is:
a. Pyruvate
b. Glyceraldehyde-3-phosphate
c. Phosphoglycerate
d. Oxaloacetate

Photosynthesis and Respiration

15. Which of the following is the reduced form of a temporary electron carrier molecule?

D. CO2

16. Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?

A. Glycolysis; citric acid cycle; oxidative phosphorylation
B. Glycolysis; oxidative phosphorylation; citric acid cycle
C. Oxidative phosphorylation; citric acid cycle; glycolysis
D. Glycolysis; fermentation

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