Which of the following is an important exception to the general finding that monocotyledonous seeds are endospermic?
1. Rice
2. Wheat
3. Pea
4. Orchids
How many of the given statements are correct?
A: | In both mango and coconut, the fruit is known as a drupe. |
B: | Drupe develops from monocarpellary superior ovaries. |
C: | Drupes are one-seeded. |
D: | Mesocarp is edible part of the fruit in both mango and coconut. |
1. 1
2. 2
3. 3
4. 4
Which of the following will not be true regarding the floral characters of members of Solanaceae?
1. | Flowers are bisexual and zygomorphic. |
2. | Calyx has five sepals which are united, persistent with velvet pubescence. |
3. | Androecium has five stamens that are epipetalous. |
4. | Gynoecium has bicarpellary, obliquely-placed syncarpous superior ovary. |
I: | Leaves originate from shoot apical meristems and are arranged in a basipetal order |
II: | Pulvinus is seen in some leguminous plants |
III: | Parallel venation is characteristic of most dicots |
IV: | A bud is present in the axil of petiole of both simple and compound leaves |
V: | Palmately compound leaves are seen in neem |
1. | B, D, F, H and C | 2. | C, B, G, H and A |
3. | B, C, H, E and A | 4. | B, C, E, G and C |
1. | Prop roots in banyan tree - Support |
2. | Tuberous roots in sweet potato - Storage |
3. | Thorns in Bougainvillea - Climbing |
4. | Stolons in strawberry - Vegetative Propagation |
Assertion (A): | Rhizophora, a mangrove plant, has pneumatophores that emerge above the water level. |
Reason (R): | Pneumatophores help in gaseous exchange and support the plant in anaerobic soil conditions. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |