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Q. No.Which of the following is incorrect regarding seeds in angiosperms?
| 1. | Mature seeds of peas and ground nuts are ex-albuminous. |
| 2. | Perisperm is seen in the mature seeds of black pepper and beet. |
| 3. | Dormant seeds have relatively higher moisture content than germinating seeds. |
| 4. | As ovules mature into seeds, the ovary develops into a fruit. |
Subtopic: Seed |
84%
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Perisperm differs from endosperm in:
| 1. | having no reserved food. |
| 2. | being a diploid tissue. |
| 3. | its formation by fusion of a secondary nucleus with several sperms. |
| 4. | being a haploid tissue. |
Subtopic: Endosperm | Seed |
63%
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A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is:
| 1. | Plant is dioecious and bears only pistillate flowers. |
| 2. | Plant is dioecious and bears both pistillate and staminate flowers. |
| 3. | Plant is monoecious. |
| 4. | Plant is dioecious and bears only staminate flowers. |
Subtopic: Seed | Fruit |
62%
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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: Seed |
53%
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Q. No.
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