Question Bank No: 15

1. The C4 plants are different from C3 plants with reference to the

 a)Substrate that accept CO2 in carbon assimilation
 b)Type of end of product of photosynthesis
 c)Type of pigment involved in light reaction
 d)Non of these

2. Photo oxidation refers to

 a)Photolysis of water
 b)Photorespiration
 c)Light induced breakdown of substance
 d)All of the above

3. Action spectrum of chlorophyll was described by

 a)Calvin
 b)Hill
 c)Arnon
 d)Englemann.

4. The electron energy transfer between accessory pigments and chlorophyll molecules takes place by

 a)Transduction
 b)Radiation
 c)Resonance
 d)Flourescence

5. Role of light in photosynthesis was discovered by

 a)Priestly
 b)Von Helmont
 c)Ingenhouz
 d)De Saussure

6. Photorespiration takes place only in

 a)Green parts of plants
 b)all living cells of plant
 c)Mitochondria
 d)Root

7. Which of the following occurs in C3 Cycle?

 a)Reductive carboxylation
 b)Oxidative carboxylation
 c)Photophosphorylation
 d)Oxidative Phophorylation

8. The isotopes that have proved useful in researches on photosynthesis..

 a)O18 & O14O14
 b)C11and P32
 c)P3 and O18
 d)C14 and O18

9. The first CO2 acceptor in C4 plants is

 a)PEP
 b)RuBP
 c)PGA
 d)OAA

10. Thylakoid bodies in the grana possess the photosynthetic units called

 a)Glyoxysomes
 b)Quantasomes
 c)Polysomes
 d)Ribosomes

11. The alga which is used in researches of photosynthesis

 a)Chlorella
 b)Fucus
 c)Acetabularia
 d)Volvox

12. Step of photosynthesis that requires direct light

 a)Transfer of H2 to NAD
 b)Excitation of Chlorophyll
 c)Fixation of CO2
 d)Regeneration of chlorophyll

13. The presumed size of chlorophyll molecule

 a)Head 15 X15 Ao, Tail –20Ao
 b)Head 10 X12Ao, Tail –15Ao
 c)Head 20 X20 Ao, Tail –25Ao
 d)Head 15 X15 Ao, Tail –25Ao