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Q. No.Hill reaction occurs in:
1. high altitude plants
2. total darkness
3. absence of water
4. presence of ferricyanide
Subtopic: Light Reaction: Photophosphorylation |
AIIMS - 2003
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Which one of the following categories of organisms do not evolve oxygen during photosynthesis?
| 1. | Red algae |
| 2. | Photosynthetic bacteria |
| 3. | C4 plants with Kranz anatomy |
| 4. | Blue green algae |
Subtopic: Historical View: Experiments |
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Which of the following is the characteristic of PS-I?
| 1. | It is activate only upto 680 nm of light. |
| 2. | The reaction centre of PS-I is P680 . |
| 3. | PS-I is reduced by the electrons released in photolysis of water. |
| 4. | PS-I is involved in non-cyclic photophosphorylation. |
Subtopic: Photosystems |
65%
From NCERT
AIIMS - 2009
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Subtopic: Light Reactions :2 | Light Reactions :3 | Light Reactions |
79%
From NCERT
AIIMS - 2010
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The first stable product of Calvin cycle is
| 1. | 3-phosphoglycerate |
| 2. | 1, 3 biphosphoglycerate |
| 3. | glyceraldehyde - 3 phosphate |
| 4. | ribulose - 5- phosphate |
Subtopic: Dark Reaction : Calvin Cycle | Questions on Calvin Cycle |
81%
From NCERT
AIIMS - 2010
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Subtopic: Photosystems |
72%
From NCERT
AIIMS - 2011
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Which of the following statements is correct?
| 1. | Photorespiration is useful process. |
| 2. | C4 plants are more efficient than C3 plants. |
| 3. | C4 plants are less efficient than C3 plants. |
| 4. | Photorespiration is absent in C3 plants but present in C4 plants. |
Subtopic: Photorespiration | Questions on Photorespiration |
89%
From NCERT
AIIMS - 2011
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Photorespiration shows formation of
| 1. | sugar but not ATP |
| 2. | ATP but not sugar |
| 3. | both ATP and sugar |
| 4. | neither ATP nor sugar |
Subtopic: Photorespiration |
76%
From NCERT
AIIMS - 2012
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Kranz anatomy is usually associated with
| 1. | C3 plants |
| 2. | C4 plants |
| 3. | CAM plants |
| 4. | C3-C4 intermediate plants. |
Subtopic: C4 Plants Examples | Question on C4 Pathway |
92%
From NCERT
AIIMS - 2012
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C4 plants have better productivity because
| 1. | C4 plants absorb more light |
| 2. | C4 plants absorb more CO2 |
| 3. | C4 plants does not carry photorespiration |
| 4. | C4 plants have more amount of RuBisCO. |
Subtopic: C4 Plants Examples | Question on C4 Pathway |
84%
From NCERT
AIIMS - 2013
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