Q. 10

A farmer has two fields A and B. He cultivates peas (Pisumsativum) in both the fields.

Field A is covered with nets to keep out birds and insects. Field B is left uncovered.

i) Name the type of pollination that would occur in field ‘A’ and field ‘B’

ii) Which of these fields will give a higher yield?

iii) To raise the next crop, from which field should the seeds be chosen by the farmer.

Give reason to support your answer.

Answer :

- (i) Pollination in field ‘A’ Self-pollination.

Pollination in field ‘B’ Cross-pollination.


(ii) Field B will have higher yield as it has cross-pollination. Peas generally have cross pollination for transfer of pollen.


(iii) Farmer should use seeds from field B because it may have some new varieties and also seeds will be more viable because of cross-pollination.


The diagram for cross pollination and self pollination is shown below:




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Define pollination.

Tamil Nadu Board - Science