NCERT Class VI Science Solutions: Chapter 9 – The Living Organisms and their Surroundings Part 4

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SHORT ANSWER QUESTIONS

Question 19

Paheli has a rose plant in her garden. How can she Increase the number of rose plants in the garden?

Answer:

By planting stem-cutting of the rose plant.

Image of planting stem-cutting of the rose plant

Image of Planting Stem-Cutting of the Rose Plant

Image of planting stem-cutting of the rose plant

Question 20

Why do desert snakes burrow deep into the sand during the day?

Answer:

As the deeper layers of sand are cooler, they burrow deep into the sand to stay away from heat of the desert during day time.

Question 21

Write the adaptation in aquatic plants due to which

  1. Submerged leaves can bend in the flowing water.

  2. Leaves can float on the surface of water.

Answer:

  1. Leaves are narrow and ribbon like.

  2. Stems/stalks of leaves are long, hollow and light.

Question 22

Mention one adaptation present in the following animals:

  1. In camels to keep their bodies away from the heat of sand.

  2. In frogs to enable them to Swim.

  3. In dolphins and whales to breathe in air when they swim near the surface of water.

Answer:

  1. Long legs

  2. Webbed feet

  3. Blow holes

Question 23

Some desert plants have very small leaves whereas some others have only spines. How does this benefit the plants?

Answer:

These are adaptations to dry conditions. As a result of these modifications the surface of lamina is reduced thereby reducing water loss by transpiration.

Question 24

What are the specific features present in a deer that helps it to detect the presence of predators like lion?

Answer:

  1. Long ears to hear movement of predators.

  2. Eyes on the sides of its head which allow it to look in all directions.

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