CO2 is utilized for the carboxylation of RuBP inside the bundle sheath cells of
1. Maize, Sorghum
2. Tomato, Bell pepper
3. Cacti, Sedum
4. Rice, wheat
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following are special features of the C4 plants?
I: | They have a special type of leaf anatomy. |
II: | They tolerate higher temperatures and show a response to high light intensities. |
III: | They lack photorespiration and have greater productivity of biomass. |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
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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 & BiologyCrops such as tomatoes and bell pepper, allowed to grow in a carbon dioxide rich environment, show higher yields because:
1. | They show an increased rate of photosynthesis at higher carbon dioxide concentrations. |
2. | They can respond to high carbon dioxide conditions even in low light conditions. |
3. | They show C4 pathway for carbon fixation at high carbon dioxide is the limiting factor in such plants. |
4. | Only carbon dioxide is the limiting factor in such plants. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
(1) C4
(2) CAM
(3) Nitrogen-fixer
(4) C3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyC4 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the C4 pathway, which of the following molecules combines with carbon dioxide?
1. glyceraldehyde phosphate
2. ribulose biphosphate
3. phosphoenol pyruvic acid
4. citric acid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe C4 plants grow very efficiently in warm climates because they
(1) consume fewer ATP molecules for glucose synthesis
(2) minimize photorespiratory losses
(3) have more efficient chloroplasts
(3) contain enzymes which are not inactivated at high temperatures.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology