Science MCQs

Nectar is a sugary fluid that rewards pollinators like insects and birds.

Sticky pollen grains easily attach to the bodies of animal pollinators.

Plants like Hydrilla and Vallisneria release pollen into water.

Squirrels pollinate the flowers of the silk cotton tree.

Bats are important pollinators for many night-blooming plants like cactus.

The embryo is the immature plant within the seed that will grow under suitable conditions.

Pollen grains carry the male sperm cells to the female part of the flower.

In double fertilization one sperm fuses with the egg and the other with polar nuclei to form endosperm.

Plant diversity provides resources for medicine food and maintains healthy ecosystems.

Flowers are the reproductive part of a plant where fertilization occurs, resulting in the development of seeds within the ovary.