GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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W) absence of rhizomes
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X) sticky pollen
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Y) small green flowers
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Z) numerous stomata
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Detailed explanation-1: -(iv) What is the key advantage to the plant for having such strong pollen grain walls? (a) It protects the vital genetic material in the pollen grain.
Detailed explanation-2: -The offspring are healthier. The seeds are produced in larger number and are more viable. The seeds develop and germinate properly and grow into better plants. Results in new varieties because cross-pollination can be carried out between two different varieties of the same species or even two species.
Detailed explanation-3: -Of the 1, 400 crop plants grown around the world, i.e., those that produce all of our food and plant-based industrial products, almost 80% require pollination by animals. Visits from bees and other pollinators also result in larger, more flavorful fruits and higher crop yields.