The mature seeds of plants such as gram and peas possess no endosperm, because

1.  these plants are not angiosperms

2.  there is no double fertilisation in them

3.  endosperm is not formed in them

4.  endosperm gets used up by the developing embryo during seed development

 

 

Subtopic:  Seed |
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Endosperm, a product of double fertilisation in angiosperms is absent in the seeds of

1. Coconut 2. Orchids
3. Maize 4. Castor
Subtopic:  Seed |
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The placenta is attached to the developing seed near the

1.  testa

2. hilum

3.  micropyle

4.  chalaza

Subtopic:  Seed |
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Match the following columns.

Column I Column II
A. Aleurone layer i. Nutrition
B. Parthenocarpic fruit ii. Without fertilization
C. Ovule iii. Seed
D. Endosperm iv. Double fertilization

Codes:

A B C D
1. i ii iii iv
2. ii i iv iii
3. iv ii i iii
4. ii iv i iii
Subtopic:  Fruits & their Types | Seed |
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