Q. No.The sheath covering the plumule in monocotyledonous seeds is called as:
1.
Coleorrhiza
2.
Coleoptile
3.
Testa
4.
Tegmen
A bud is present in the axil of:
| I: | petiole in simple leaves |
| II: | petiole in compound leaves |
| III: | leaflets of the compound leaves |
| 1. Only I and II | 2. Only I and III |
| 3. Only II and III | 4. I, II and III |
Scutellum is:
| 1. | shield shaped cotyledon in monocotyledons |
| 2. | protein layer in the outer endosperm in monocotyledons |
| 3. | starchy endosperm of dicotyledons |
| 4. | stony hard seed coat in some seeds |
Identify the correct statements amongst the following:
| I: | When a shoot tip transforms into a flower, it is always solitary |
| II: | In racemose inflorescence, the main axis continues to grow and flowers are borne in basipetal order |
| III: | In cymose inflorescence, the main axis terminates in a flower and flowers are borne in basipetal order |
| 1. | Only I | 2. | Only I and II |
| 3. | Only I and III | 4. | Only II and III |
Underground stems of potato, ginger, turmeric, Zaminkand and Colocasia:
I: Store food in them
II: Act as organs of perennation
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Ovary is one chambered but it becomes two chambered due to the formation of a false septum in:
| 1. | Mustard and Argemone | 2. | Argemone and Dianthus |
| 3. | Mustard and Primrose | 4. | Argemone and Primrose |
Both stem tendrils and stem thorns:
1. help the plant to climb
2. develop from axillary buds
3. protect plants from browsing animals
4. can be used in vegetative propagation
Stamens attached to the perianth as in the flowers of lily are called as:
| 1. | Epipetalous | 2. | Epiphyllous |
| 3. | Polypetalous | 4. | Gamopetalous |
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