In blue-green algae, photosystem- II contains important pigment concerned with photolysis of water. It is a

(1) phycocyanin           

(2) cytochrome-c

(3) chlorophyll -b         

(4) β-carotene

Subtopic:  Photosystems |
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NEET 2022 - Target Batch - Aryan Raj Singh

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In Kranz anatomy, the bundle sheath cells have

(1) thin walls, many intercellular space and no chloroplast

(2) thick walls, no intercellular spaces and large number of chloroplasts

(3) thin walls, no intercellular spaces and several chloroplasts

(4) thick walls, many intercellular space and few chloroplasts

Subtopic:  Dark Reaction: Biosynthetic Phase |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The C4 plants differ from C3 plants with reference to the 

(1) substrate that accepts CO2 in carbon assimilation

(2) type of end product

(3) type of pigment involved in photosynthesis

(4)  end product that will be formed 

Subtopic:  Dark Reaction: Biosynthetic Phase | Light Reactions :1 | Light Reactions |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Photosynthetic bacteria have

(1) pigment system I

(2) pigment system II

(3) Both (1) and (2)

(4) some other kind of pigments, P890

Subtopic:  Photosystems |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Match the Columns.

Column I

(Scientists)

Column II

(Discoveries)

A. Stephen Hales

1. Importance of light and chlorophyll

B. Ingen Housz

2. Presence of chlorophyll in plants.

C. Von Mohl

3. Product of photosynthesis is starch.

D. Sach

4. Air and light control plant growth.

Code 

 

A     

B    

C    

D

(1)  

4

1

2

3

(2)

3

2

1

4

(3)

2

3

4

1

(4)

4

3

2

1

Subtopic:  Historical View: Experiments |
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NEET 2022 - Target Batch - Aryan Raj Singh

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Photosynthesis is a-
a. Biochemical process
b. Physical process
c. Chemical process
d. Physico-chemical process

Subtopic:  Introduction |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following statements do not justify the importance of photosynthesis?
a. it is the primary source of all food on earth.
b. it is responsible for the release of oxygen into the atmosphere.
c. it is responsible for the water balance on earth.
d. use of energy from sunlight by plants doing photosynthesis is the basis of life on earth.

Subtopic:  Introduction |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following is not required in photosynthesis?
a. chlorophyll
b. Light
c. CO2
d. O2

Subtopic:  Introduction |
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NEET 2022 - Target Batch - Aryan Raj Singh
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NEET 2022 - Target Batch - Aryan Raj Singh

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The half-leaf experiment, where a part of the leaf is enclosed in a test tube containing some KOH soaked cotton was performed, which showed that _________ was required for photosynthesis?
a. Light
b. Chlorophyll
c. CO2
d. O2

Subtopic:  Historical View: Experiments |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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   Column – I                                                    Column - II

i.Jan Ingenhousz                                            a. discovery of O2

ii. Joseph Priestley                                          b. Plants restore to the air whatever breathing

                                                                        animals and burning candles remove.

iii. T.W Englemann                                          c. showed that only the green part of the plants could release oxygen.

iv. Julius von scahs                                         d. discovery of production of glucose in plants

                                                                    e. first action spectrum of photosynthesis.

                                                                    f. Using a prism he split light into its spectral components and then 

                                                                       illuminated Cladophora, placed in a suspension of aerobic bacteria.

Which of the following shows the correct match?
a. i-c; ii-b; iii-a, e, f; iv-d
b. i-a, b; ii-c; iii-d; iv- e, f.
c. i-a; ii- b; iii- c, e; iv-f.
d. i-c, ii-a, b; iii-e, f; iv-d;

Subtopic:  Historical View: Experiments |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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