Photosynthesis in Higher Plants Multiple Choice Questions with Answers

Questions

1 Oxygen containing carotenoids are

A Carotenes

B Xanthophylls

C Phycobilins

D Anthocyanins

View Answer

Answer:Xanthophylls

2 Oxygen liberated during photosynthesis comes from

A CO2

B Glucose

C H2O

D Fructose

View Answer

Answer: H2O

3 P700 is a special from of which pigment

A Chlorophyll-b

B Carotenes

C Chlorophyll-a

D Phycobilins

View Answer

Answer: Chlorophyll-a

4 Path of dark reaction of photosynthesis was traced through the use of

A 32P

B 14CO2

C 18O2

D X-rays

View Answer

Answer: 14CO2

5 In the calvin cycle, the assimilatory power is used during

A Formation of PGA

B Conversion of PGA to PGAL

C Formation of fructose 1-6 diphsophate from PGAL

D Formation of glucose from fructose – di- phosphate

View Answer

Answer: Conversion of PGA to PGAL

6 Unidirectional flow of e- in non-cyclic photophosphorylation is

A PS II — e- —> PS I — e- —> NADP — e- —> water

B Water — e- —> PSII — e- —> PS I — e- —> NADP

C PS I — e- —> NADP — e- —> water — e- —> PS II

D Water — e- —> PS I — e- —> PS II — e- —> NADP

View Answer

Answer: Water — e- —> PSII — e- —> PS I — e- —> NADP

7 Which is sensitive to longer wavelength of light?

A Photolysis

B PSI

C PS II

D Photophosphorylation

View Answer

Answer: PSI

8 Phytol tail is present at

A 3rd carbon of IInd ring

B 2nd carbon of IIIrd ring

C 7th carbon of IVth ring

D 3rd carbon of IVth ring

View Answer

Answer:3rd carbon of IVth ring

9 Reduction of co-enzyme NADP depends on

A Reduction of CO2

B Evolution of O2

C Photolysis of water

D Formation of ATP

View Answer

Answer:Photolysis of water

10 Loculus is the internal space of

A Grana

B Stroma

C Thylakoid

D Quantasome

View Answer

Answer: Thylakoid

11 Calvins cycle involves

A Oxidative phosphorylation

B Oxidative carboxylation

C Reductive carboxylation

D Reductive phophorylation

View Answer

Answer: Reductive carboxylation

12 In C4 plants, carboxylation is twice, it can be represented as

A Pyruvic acid + CO2 malic acid + CO2

B RUDP + CO2 and pyruvic acid + CO2

C PEPA + CO2 and RUDP + CO2

D PEPA + CO2 and malic acid + CO2

View Answer

Answer:PEPA + CO2 and RUDP + CO2

13 In non-cyclic photophosphorylation, all the participants acts as electron donor and acceptor except

A Chl-a of PS I

B Chl-a of PS II

C NADP

D Both (A) and (B)

View Answer

Answer: NADP

14 Which of the following protist is a photoautotroph

A Thiobacillus

B Ferrobacillus

C Diatoms

D Chlorobium

View Answer

Answer: Diatoms

15 Photosynthesis occurs in

A Chloroplast

B Golgi body

C Endoplasmic reticulum

D Nucleus

View Answer

Answer: Chloroplast

16 The optimum temperature for photosynthesis is

A 25-35℃

B 10-15℃

C 35-40℃

D 20-25℃

View Answer

Answer:20-25℃

17 Photorespiration occurs in

A Four cell organelles

B Two cell organelles

C One cell organelle

D Three cell organelle

View Answer

Answer: Three cell organelle

18 Reduction of NADP occurs in

A Oxidative photophosphorylation

B Cyclic photophosphorylation

C Non-cyclic photophosphorylation

D None

View Answer

Answer: Non-cyclic photophosphorylation

19 Kranz anatomy is found in the leaves of

A Wheat

B Mustard

C Potato

D Sugarcane

View Answer

Answer: Sugarcane

20 Peroxisomes are involved in which type of reactions

A Calvin cycle

B Glyoxylate cycle

C Glycolate cycle

D Bacterial photosynthesis

View Answer

Answer: Glycolate cycle

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