In photosynthesis, the light-independent reactions take place at?

1. Thylakoid lumen

2. photosystem I

3. photosystem II

4. Stromal matrix

Subtopic:  Dark Reaction: Biosynthetic Phase |
 70%
From NCERT
NEET - 2015
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Anoxygenic photosynthesis is characteristic of:

1. Rhodospirillum

2. Spirogyra

3. Chlamydomonas

4. Ulva

Subtopic:  Introduction | Historical View: Experiments |
 75%
AIPMT - 2014
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Bundle sheath cells:
1. are rich in PEP carboxylase
2. lack RuBisCo
3. lack both RuBisCo and PEP carboxylase
4. are rich in RuBisCo
Subtopic:  Dark Reaction : Calvin Cycle | C4 Cycle (Hatch & Slack Pathway) |
 78%
From NCERT
NEET - 2013
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A process that makes an important difference between C3 and C4 plants is:

1. Transpiration

2. Glycolysis

3. Photosynthesis

4. Photorespiration

Subtopic:  Photorespiration |
 88%
From NCERT
AIPMT - 2012
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The correct sequence of cell organelles during photorespiration is:

1. chloroplast-Golgi bodies-mitochondria

2. chloroplast-rough endoplasmic reticulum-dictyosomes

3. chloroplast-mitochondria-peroxisome

4. chloroplast-vacuole-peroxisome

Subtopic:  Photorespiration |
 82%
AIPMT - 2012
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CAM helps the plants in:
1. secondary growth 2. disease resistance
3. reproduction 4. conserving water
Subtopic:  CAM Pathway |
 84%
AIPMT - 2011
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In Kranz anatomy, the bundle sheath cells have:

1. thick walls, many intercellular spaces and few chloroplasts
2. thin walls, many intercellular spaces and no chloroplasts
3. thick walls, no intercellular spaces and a large number of chloroplasts
4. thin walls, no intercellular spaces and several chloroplasts
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 89%
From NCERT
AIPMT - 2011
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PGA as the first CO2 fixation product was discovered in photosynthesis of:
1. Bryophyte
2. Gymnosperm
3. Angiosperm
4. Algae

Subtopic:  Dark Reaction: Biosynthetic Phase |
 66%
AIPMT - 2010
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C4-plants are more efficient in photosynthesis than C3-plants due to:

1. higher leaf area
2. presence of larger number of chloroplasts in the leaf cells
3. presence of thin cuticle
4. lower rate of photorespiration

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
AIPMT - 2010
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Kranz anatomy is one of the characteristics of the leaves of:

1. Wheat

2. Sugarcane

3. Mustard

4. Potato

Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 77%
AIPMT - 2010
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