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 |
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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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