Last seen: Jan 13, 2022
(d) root and shoot tips Explanation: Auxin is a plant hormone which promote and regulate its growth and development. Auxin are produced in the mer...
Correct option: (a) Explanation: Glycolysis occurs in cytoplasm as all necessary enzymes are found in it. This process is common in aerobic/anaero...
Correct option: (b) Explanation: Electron transport system is a series of coenzymes and cytochromes that takes part in the passage of electrons fr...
(d) If both the Assertion and Reason are incorrect. Explanation: Glycolysis is the process of breakdown of glucose or similar hexose sugar into tw...
Correct option: (b) Explanation: Stomata are absent since gaseous exchange takes place through diffusion in submerged plants.
(a) reduction of acetyldehyde to ethanol. Explanation: Alcoholic fermentation is a process in which molecules such as glucose etc. are converted i...
(b) 0.7 Explanation: The ratio of the volume of CO2 liberated to the volume of oxygen absorbed per molecule during respiration is called Respirato...
(a) (i), (iv) and (v) Explanation: Glucose undergoes partial oxidation to form two molecules of pyruvic acid, Glucose is phosphorylated to give ri...
(a) Cytochrome b6f Explanation: With the help of cytochrome b6f, proton is pumped to reach ATP synthetase to participate in ATP synthesis.
(c) Acetyl CoA Explanation: Acetyl CoA is common to respiration mediated breakdown of fats, carbohydrates and proteins. Fats are broken down to fa...
(a) Succinate dehydrogenase Explanation: All the oxidative enzymes of TCA are located in matrix except succinic dehydrogenase. This enzyme catalys...
(c) third irreversible step of glycolysis Explanation: Pyruvate kinase enzyme catalyses third irreversible step of glycolysis. 2 Phosphoenol pyr...
(a) Acetyl CoA Explanation: Acetyl CoA is the connecting link between glycolysis and Krebs cycle. Acetyl CoA combines with oxalo acetic acid to fo...
(a) phosphoglycerate Explanation: In C3 plants, photorespiration starts from 3-phosphoglycerate. Photorespiration is also called glycolate pathway...
(d) pyruvic acid Explanation: In glycolysis, one molecule of glucose undergoes partial oxidation to form 2 molecules of pyruvic acid.
(a) fermentation Explanation: Glycolysis is a common step for both aerobic and anaerobic respiration. Next step after glycolysis is fermentation i...
(c) cytoplasm Explanation: All the enzymes required for the different steps of glycolysis (Ist step in cellular respiration) are present in the cy...
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. Explanation: Light reaction or Hill reaction...
(c) If Assertion is correct but Reason is incorrect. Explanation: Each molecule of ribulose-1, 5-biphosphate fixes one molecule of carbon dioxide ...
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. Explanation: Cyclic pathway of photosynthesi...