The 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 |
Subtopic: Â Photorespiration |
Level 3: 35%-60%
NEET - 2020
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The plant parts which consist of two generations, one within the other, are:
| (a) | Pollen grains inside the anther |
| (b) | Germinated pollen grain with two male gametes |
| (c) | Seed inside the fruit |
| (d) | Embryo sac inside the ovule |
1. (a), (b) and (c)
2. (c) and (d)
3. (a) and (d)
4. (a) only
Subtopic: Â Pre-fertilisation: Structures and Events |
Level 3: 35%-60%
NEET - 2020
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All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemaker?
| 1. | SA node has the lowest rate of depolarisation |
| 2. | SA node is the only component to generate the threshold potential. |
| 3. | Only SA node can convey the action potential to the other |
| 4. | SA node has the highest rate of depolarisation. |
Subtopic: Â Human Heart: Gross Anatomy |
Level 3: 35%-60%
NEET - 2019
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Venereal diseases can spread through:
| (a) | Using sterile needles |
| (b) | Transfusion of blood from an infected person |
| (c) | Infected mother to foetus |
| (d) | Kissing |
| (e) | Inheritance |
Choose the correct answer from the options given below:
1. (b) and (c) only
2. (a) and (c) only
3. (a), (b) and (c)
4. (b), (c) and (d)
Subtopic: Â Sexually Transmitted Infections |
Level 3: 35%-60%
NEET - 2021
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