Question

(c) Petals
3. Mention any two contrivances in flowers which
favour cross-pollination.​

Answer 1

Answer:

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

Explanation:

Answer 2

Answer:

Explanation:

Dicliny or unisexuality: Flowers are unisexual. ...

Self-sterility: In this condition, pollen grains from the same flower or any flower of the same strain does not have any effect on the stigma. ...

Dichogamy: ...

Herkogamy: ...

Heterostyly: ...

Advantages: ...

Disadvantages: