The first stable product of CO2 fixation in sorghum is:
(1) Succinic acid
(2) Phosphoglyceric acid
(3) Pyruvic acid
(4) Oxaloacetic acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is incorrect?
1. Grana lamellae have both PSI and PS II.
2. Cyclic photophosphorylation involves both PS I and PS II.
3. Both ATP and NADPH+H+ are non-cyclic synthesized during photophosphorylation.
4. Stroma lamellae have PS I only and lack NADP reductase.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of:
1. 1 molecule of the 3-C compound
2. 1 molecule of the 6-C compound
3. 1 molecule of a 4-C compound and 1 molecule of the 2-C compound
4. 2 molecules of the 3-C compound
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring non-cyclic photophosphorylation, when electrons are lost from the reaction center at PS II, what is the source which replaces these electrons?
1. Oxygen
2. Water
3. Carbon dioxide
4. Light
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is incorrect?
1. RuBisCO is a bifunctional enzyme
2. In C4 plants, the site of RuBisCO activity is mesophyll cell
3. The substrate molecule for RuBisCO activity is a 5-carbon compound
4. RuBisCO action requires ATP and NADPH
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Hatch and Slack pathway, the primary CO2 acceptor is -
1. Oxaloacetic acid
2. Phosphoglyceric acid
3. Phosphoenol pyruvate
4. Rubisco
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOne scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of:
1. Violet and green light
2. Indigo and green light
3. Orange and yellow light
4. Blue and red light
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWith reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
1. Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate
2. C3 plants respond to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum
3. Tomato is a greenhouse crop which can be grown in CO2 enriched atmosphere for higher yield
4. Light saturation for CO2 fixation occurs at 10% of full sunlight
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology