Question

mention any two contrivances in flowers which favour cross pollination?

Answer 1

Solution:

The pollen of one flower should pollinate with the stigma of another flower.

Cross pollination can occur on the flowers of different varieties or should be located in different plants.

Flowers of different genotypes are required to favor cross pollination which however is not with the case of self pollination.

Answer 2

Answer:

There are two types of pollination cross pollination and self-pollination.

Explanation:

Cross pollination include movement of pollen grain from male part of one flower to the female part of another flower.

Two contrivances or methods in flowers that favor cross pollination are insects and wind.

• Insects move from flower to flower in search of food that allow pollen  to get stick on their body and carry pollen as well from flower to flower result into cross pollination.
• Wind flow helps to blow the pollen from one flower to another.

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