Question

give reasons:
1.corms,rhizomes,Tuber and bulbs are swollen structures.
2. the testes are the primary reproductive organs of the male body.
3. pollen grains of insect pollinated flowers have hooks or spine
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Answer 1

Answer:

1 . Because they store their nutrients in that part.

2. Because it produces sperms.

3. So that the pollen grains can stick to the insects and reach the pistil of the flower.

Answer 2

Answer:

Explanation:

1.They are modifications of various plant parts,generally involved in storage.

2.Testes generate sperm cell by process of spermatogenesis, hence are primary reproductive organs.They also produce androgen(tstosterone)

3.Hooks and spikes help the pollen cling to the insect's body, allowing them to be deposited on a female flower.