Science 1 Marks Question

Paheli while moving in a forest observed that there was no noise pollution, though lots of heavy vehicles were passing from the nearby highway. Explain why?

A bunch of seedlings were seen sprouting on a heap of animal dropping in a forest. How do you think is the seedling benefited from the animal dung?

Paheli wrote a food chain in the following way
Frog → Eagle → Insects → Grass → Snake
The chain is not in the correct order. Help her to write the food chain correctly.

Name any four useful products other than wood, which we get from forests.

Give names of any four birds which you expect to see in a forest.

What would happen if it rains heavily in your town?

Paheli remembered that she saw a pipal sapling on the sidewall in her school. Can you help her to understand how this would have happened?

What happens if an animal dies in the forest?

Is the decaying matter always warm?

Y and Z are two types of organisms which are found in the forests. Y eats up dead animals, while Z breakdown the body of the dead animals into simpler substances.
(a) What is the general name of organism Y?
(b) Write one example of Y type organism.
(c) What is general name of organism Z?
(d) Write one example of Z type organism.

Deforestation may lead to floods. Why?

All the needs of animals living in a forest are fulfilled. Justify this statement in a few sentences.

State the consequence when one food chain is disturbed in an ecosystem.

Consider the following organisms
Grass, birds, frog, crow, tiger, vulture, toadstool, deer.
Which of these
(i) can eat the dead animals?
(ii) can form a three step food chain?

Give the reason behind variations found in the forests of different regions.

What is a canopy?

While going inside a forest, it becomes darker. Why?

List some animals which live in deeper areas of the forest.

List five products we get from forests.

Explain why forest should be conserved?

Give one example of a food chain.