When a bee, or an ant, beetle, moth or butterfly visits a flower for food, it simultaneously, and without knowing it, performs another vital functions by carrying pollen from one plant to another. But not all flowers are visited by insects. A reliable guide to those that are, is their flamboyance, if the petals are large and colourful, if they smell sweet, it is because the plant needs to attract insects. Some plants have flowers which are graceful but not showy and therefore of no interest to insects. In this case the pollen in carried by the wind. Most flowers manufacture these minute grains called pollen which must be transferred to another flower of the same type before they can make seeds.
Which one of the following is correct?
When insects carry pollen from one flower to another

Options

A. they help the flowers to make seeds
B. the flowers become colourful and smell sweet
C. the insects find it easy to take food from the flowers
D. they help the palnts to grow beautiful flowers.

Answer

A

Explanation

When insects carry pollen from one flower to another they help the flowers to make seeds. That.s what author of this para suggest, when insects carry pollen from one flowerplant to another it can help in developing seeds, through the pollen must be carried by insects to the same type of flower or insect
Refer the last sentence for better understanding.