The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because:
Options
(a) high energy bonds are formed in mitochondrial proteins. (b) ADP is pumped out of the matrix into […]
All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is
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(a) isocitrate dehydrogenase […]
The overall goal of glycolysis, kerbs cycle and the electron transport system is the formation of
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(a) ATP in one large oxidation reaction (b) sugars (c) nucleic acids (d) ATP in small stepwise […]
Opening of floral buds into flowers, is a type of
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(a) autonomic movement of variation (b) paratonic movement of growth (c) autonomic movement of growth (d) autonomic movement of locomotion.
Correct Answer:
autonomic […]
Which one of the following pairs, is not correctly matched?
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(a) Gibberellic acid – Leaf fall (b) Cytokinin – Cell wall elongation (c) IAA – Cell wall elongation (d) Abscissic acid – Stomatal […]
The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of
Options
(a) IAA, IBA (b) NAA, 2, 4-D (c) Phenyl acetic acid […]
The correct sequence of cell organelles during photorespiration is:
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(a) Chloroplast-Golgibodies-mitochondria (b) Chloroplast-Rough Endoplasmic reticulum, Dictyosomes (c) Chloroplast-peroxisome-mitochondria (d) Chloroplast-vacuole-peroxisome
Correct Answer:
Chloroplast-peroxisome-mitochondria
Explanation:
No explanation available. Be the first to write the […]
The c₄ plants are photosynthetically more efficient than C₃ plants because:
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(a) the CO₂ compensation point is more (b) CO₂ generated during photorespiration is trapped and recycled through PEP carboxylase (c) the CO₂ […]
Bundle sheath cells
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(a) Are rich in RuBisCO (b) Are rich in PEP carboxylase (c) lack RuBisCO (d) Lack both RuBisCO and PEP carboxylase
Correct Answer:
Are rich in RuBisCO
Explanation:
In C₄ […]
Oxygenic photosynthesis occurs in:
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(a) Oscillatoria (b) Rhodospirillum (c) Chlorobium (d) Chromatium
Correct Answer:
Oscillatoria
Explanation:
Oxygenic photosynthesis occurs in Oscillatoria. Oscillatoria is a genus of filamentous cyanobacteria which is named for the […]
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