Which of the products is not obtained from a forest?
- AHoney
- BCatechu
- CGum
- ✓Ginger
Answer: D.
View full solution →Question types
Forests : Our Lifeline question types
104 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
104
Questions
9
Question groups
5
Question types
01
MCQ (1 Marks)
23 Q→02Assertion (A) & Reason (B) MCQ
5 Q→03True False[1 Marks ]
7 Q→04Fill In The Blanks With Correct Alternative.[1 Marks Each]
7 Q→051 Marks Question
21 Q→062 Marks Questions
26 Q→073 Marks Question
12 Q→08Match the Following.
2 Q→095 Marks Questions
1 Q→Sample Questions
Forests : Our Lifeline questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which of the following serve as green lungs?
- AGreen pigment of the plants
- ✓Forests
- CKitchen gardens
- DGreenhouse gases
Answer: B.
View full solution →Which of the following has the strongest stem?
- ✓A tree
- BA creeper
- CA climber
- DA bush
Answer: A.
View full solution →Boojho visited a forest near his town with his classmates and his teacher. As they were entering the forest, their class teacher told them not to make a noise in the forest as noise could disturb the
- Abirds
- Banimals
- ✓both birds and animals
- Dplants
Answer: C.
View full solution →Which one of the following is an animal product?
- AGum
- BCatechu
- ✓Honey
- DRubber
Answer: C.
View full solution →Assertion (A) Forests encourages soil erosion.
Reason (R) The trees in forest hold up the soil together in their roots.
Reason (R) The trees in forest hold up the soil together in their roots.
Assertion (A) Forest helps to purify the air.
Reason (R) They prevent the soil erosion.
Reason (R) They prevent the soil erosion.
Assertion (A) Fungi are decomposers.
Reason (R) They maintain the balance of oxygen and carbon dioxide in the atmosphere.
Reason (R) They maintain the balance of oxygen and carbon dioxide in the atmosphere.
- ABoth A and R are true and R is correct explanation of A
- BBoth A and R are true, but R is not the correct explanation of A
- ✓A is true, but R is false
- DA is false, but R is true
Answer: C.
View full solution →Assertion (A) Forests are the dynamic living entities.
Reason (R) Forests provide habitat for wildlife.
Reason (R) Forests provide habitat for wildlife.
- ABoth A and R are true and R is the correct explanation of A
- ✓) Both A and R are true, but R is not the correct explanation of A
- CA is true, but R is false
- DA is false, but R is true
Answer: B.
View full solution →Assertion (A) Plants are called as consumers.
Reason (R) They prepare their own food by the process of photosynthesis.
Reason (R) They prepare their own food by the process of photosynthesis.
- ABoth A and R are true and R is the correct explanation of A
- B) Both A and R are true, but R is not the correct explanation of A
- CA is true, but R is false
- ✓A is false, but R is true
Answer: D.
View full solution →We get various products from forests.
Forest influence climate, water cycle and air quality.
Forests are lifeline for forest dwelling communities.
Plants release CO2 in the process of photosynthesis.
Roots of the tree are called crown of the tree.
In the absence of trees, the soil will not hold __________.
The decaying leaves and animal droppings in a forest enrich the __________.
The microorganisms which convert dead plants and animals to humus are called __________.
The part of a tree above the stem is called __________ of the tree.
Animals often give __________ to alert other animals.
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.
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.
Sachin lives in a village, this village is surrounded by a forest. One day he noticed that in nearby pond sedimentation is increased so much that water has become muddy, streams are drying up. There is scarcity of fuel wood. He soon realised that he has to raise the issue of forest protection from cutting down trees, etc. Soon he gathered the nearby village people and made an organisation to take an initiative.
Now, answer the following questions
(i) What changes might have Sachin noticed in his area?
(ii) Give the probable reason for such changes mentioned above.
Now, answer the following questions
(i) What changes might have Sachin noticed in his area?
(ii) Give the probable reason for such changes mentioned above.
A snake charmer came to the society and smelled the presence of a cobra near the guardroom. The head of the society agreed to allow the man to search, catch and take away the snake with him. Little Krishi who was seeing all this, disagreed. She explained the people that it might disturb the food chain in the environment. Now, answer the following questions.
(i) Describe food chain.
(ii) Construct a food chain involving snake at one of its level.
(i) Describe food chain.
(ii) Construct a food chain involving snake at one of its level.
Give any four factors which are responsible for the destruction of forests.
Two friends shared their experiences of their vacation trip to two different forests. Do you think they would have seen the same type of plants and animals during their respective trips? Give reason.
What would happen if forests disappear?
Visit a forest with your parents by taking permission from the respective authority (forest officials).
(i) Make a list of the things you see in the forest.
(ii) Try to recognise various types of trees and different layers formed by them.
(i) Make a list of the things you see in the forest.
(ii) Try to recognise various types of trees and different layers formed by them.
Given below are the figures representing various components of a food chain. Make 3 food chains using these figures. Make some to use each figure atleast once. Also, some figure can be used more than once.
"Forest are our lifeline". Write five sentences on this topic.
People say that nothing goes waste in a forest. Can you explain how?
Figure shows a part of a forest.
Write any three activities going on in the forest on the basis of this figure.
Write any three activities going on in the forest on the basis of this figure.
| Column I | Column II |
| A. Decomposers | 1. Dead plant and animal tissues |
| B. Canopy | 2. Habitat for wildlife |
| C. Porcupine | 3. Microorganisms |
| D. Humus | 4. Wild animal |
| 5. Uppermost branches of tall trees |
| Column I | Column II |
| A. Humus | 1. Depend on plants for food |
| B. Forests | 2. Branchy part of the tree |
| C. Herbivores | 3. Helps forests to grow |
| D. Crown | 4. Dark coloured matter |
| 5. Protect soil from erosion |
Describe the different layers of plants in the forest.
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