Which of the following exhibits the highest rate of respiration?
1. Growing shoot apex | 2. Germinating seed |
3. Root tip | 4. Leaf bud |
Fermentation | Aerobic respiration | |
I: | Partial breakdown of glucose | Complete breakdown of glucose |
II: | Net gain of only two molecules of ATP beginning with one molecule of glucose | Net gain of many more molecules of ATP beginning with one molecule of glucose |
III: | NADH is oxidised to NAD+ slowly | NADH is oxidised to NAD+ vigorously |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
I: | Transport of gases from the respiratory surface to the cells |
II: | Breakdown of food material within the cell to release energy |
III: | Trapping of energy released during the breakdown of food material within the cell for synthesis of ATP |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
Oxidative decarboxylation of pyruvate produces:
1. | 2. Citrate |
3. Acetyl-CoA | 4. G3P |
1. | Eight molecules of NADH + H+ |
2. | Two molecules of FADH2 |
3. | Two molecules of ATP |
4. | Four molecules of carbon dioxide |
According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
1. 2 | 2. 30 |
3. 36 | 4. 38 |
If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:
1. | Two carbons | 2. | Three carbons |
3. | Five carbons | 4. | Six carbons |
The respiratory pathway is best described as:
1. | Catabolic | 2. | Anabolic |
3. | Amphibolic | 4. | Amphipathic |