Online Shiksha

By Savita S. More

Class 4 Science How Plants Survive Questions and Answers

Last updated on July 6th, 2023 at 08:47 pm

The bodies of floating plants are spongy and filled with air. Since they are light, they can float.


What are “breathing roots”?

In marshy areas or swamps, plants have roots that grow above ground to breathe. This is because they cannot breathe beneath the soil. This is known as aerial roots or breathing roots.


How can plants help us?

  • Plants are beneficial to us in every way possible.
  • Plants are essential to our survival, whether it is for food, shelter, clothing, or air.
  • We breathe in oxygen, which plants produce during photosynthesis.
  • We prepare clothes from plant fabrics to suit various weather conditions.
  • We rely on plants for everything, including our food. Plants provide us with fruits, vegetables, cereals, pulses, and other products.
  • We make shelter for ourselves out of tree wood.

How Cactus can survive without water?

  • A cactus plant conserves water in a number of ways.
  • A cactus plant’s roots have evolved to absorb whatever amount of water is available to them.
  • Cactus roots extend far below the surface of the soil.
  • They can quickly catch even the smallest amount of water.
  • Cactus leaves look like spiky spines.
  • Water is prevented from evaporating from the leaves.
  • Cactus plants store food and water inside their thick and fleshy stems, which are covered in thorns.
  • If there is no rain, the cactus uses the water in its stem.

 Answer in one word: 

The plants that grow on mountains are known as

Coniferous trees


What do you call trees that lose their leaves in the winter?

Deciduous trees


Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

online-shiksha © 2023 Frontier Theme