Conservation of Plants and Animals Class 8 Extra Questions and Answers Science Chapter 7

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Class 8 Science Chapter 7 Extra Questions and Answers Conservation of Plants and Animals

Extra Questions for Class 8 Science Chapter 7 Conservation of Plants and Animals with Answers

Conservation of Plants and Animals Class 8 Extra Questions Very Short Answer Type

Question 1.
Name a sanctuary of India.
Answer:
Bharatpur bird sanctuary.

Question 2.
Name a national park of India.
Answer:
Kaziranga National Park.

Question 3.
Name a wildlife sanctuary of India.
Answer:
Lockchao wildlife sanctuary.

Question 4.
Name a biosphere reserve of India,
Answer:
Great Nicobar Biosphere Reserve.

Question 5.
What causes drought?
Answer:
Reduced rainfall causes drought.

Question 6.
Name the areas meant for I conservation of biodiversity.
Answer:
Biosphere reserve.

Question 7.
Name two wildlife sanctuaries of Panchmarhi biosphere reserve.
Answer:
Bori and Panchmarhi.

Question 8.
Give two examples each of flora and fauna.
Answer:
Examples of flora: Mango, Jamun. Examples of fauna: Chinkara, cheetah

Question 9.
Name one endemic animal.
Answer:
Indian giant squirrel is an endemic animal.

Question 10.
Name two endemic flora of Panchmarhi.
Answer:
Sal and wild mango are two endemic, flora of Panchmarhi.

Question 11.
Apart from wildlife sanctuaries, name one place where animals are protected?
Answer:
Zoo.

Question 12.
Name the first reserve forest of India.
Answer:
Satpura.

Question 13.
What is special about the forest of Satpura?
Answer:
The finest teak of India is found in this forest.

Question 14.
Do the tribals still live in forest?
Answer:
Yes, many tribals still live in forests.

Question 15.
Name one animal which has become completely extinct?
Answer:
Dinosaur.

Question 16.
Define biosphere.
Answer:
Biosphere is that part of earth in which living organisms exist or which support life.

Question 17.
What is biodiversity?
Answer:
Biodiversity is the variety of plants, animals and microorganisms generally found in an area.

Conservation of Plants and Animals Class 8 Extra Questions Short Answer Type 1

Question 1.
Name two natural causes of deforestation.
Answer:
Two natural causes of deforestation are:

1. forest fire, and
2. severe drought.

Question 2.
Define endemic species.
Answer:
The species that are exclusively found in a particular area only and not naturally found anywhere else are known as endemic species.

Question 3.
What do you mean by species?
Answer:
Species is a group of population which are capable of interbreeding with each other.

Question 4.
State some examples of fauna, endemic to Panchmarhi Biosphere Reserve.
Answer:
Bison, Indian giant squirrel and flying squirrel are some of the fauna endemic to the Panchmarhi Biosphere Reserve.

Question 5.
What, does a sanctuary provide?
Answer:
It provides protection and suitable living conditions to wild animals.

Question 6.
Why are even protected forests not safe?
Answer:
Even protected forests are not safe because poachers encroach and destroy them.

Question 7.
What is a rock shelter?
Answer:
Rock shelters are the evidences of prehistoric human life in the jungles of Satpura National Park. They were meant for human living.

Question 8.
What idea do the rock shelters give?
Answer:
The rock shelters give us an idea about the life of the prehistoric/primitive humans.

Question 9.
What do you mean by the term Project Tiger?
Answer:
“Project Tiger” is the name of a project which was launched by the government of our country to protect the tigers of the country.

Question 10.
What was the objective of Project Tiger?
Answer:
The objective of Project Tiger was to ensure the maintenance of a viable population of tigers in our country.

Question 11.
Why is Satpura Tiger Reserve a unique place?
Answer:
The Satpura Tiger Reserve is unique in the sense that a significant increase in the population of tigers has been seen here.

Question 12.
Are there different Red Data Books for plants and animals?
Answer:
Yes, there are different Red Data Books for plants, animals and other species.

Question 13.
What do you mean by reforestation?
Answer:
Reforestation means restocking of the destroyed forests by planting new trees.

Conservation of Plants and Animals Class 8 Extra Questions Short Answer Type 2

Question 1.
Define endangered animals with two examples.
Answer:
Animals whose numbers are diminishing to a level that they might face extinction are known as the endangered animals. This is because survival of some animals has become difficult because of disturbances in their natural habitat.

The example of the endangered animals are: Indian elephant, Bengal tiger, Indian lion, Indian Rhino and Gharial.

Question 2.
What are the causes and consequences of deforestation?
Answer:
Causes of deforestation :
(a) Forests are cleared for accommodating expanding urban areas and for meeting increasing demands.
(b) Forests are destroyed to clear land for crops and cattle grazing.
(c) Trees are cut down to be used for firewood.

Consequences of deforestation:

1. Soil erosion
2. Loss of biodiversity
3. Floods and droughts
4. Climate change due to global warming
5. Disruption of water cycle

Question 3.
Explain the term Biosphere Reserve. What is its importance?
Answer:
Biosphere Reserves are the areas meant for conservation of biodiversity (plants, animals and microorganisms found in an area). Biosphere Reserves help to maintain the biodiversity and culture of that area.

Question 4.
Define the term “Wildlife Sanctuaries.” Name some threatened wild animals. How a,re they protected?
Answer:
Wildlife Sanctuaries are the areas where wild animals are protected and conserved. Some of the threatened wild animals like blackbuck, white-eyed buck, elephant, golden cat, pink-headed duck, gharial, marsh crocodile, python, rhinoceros, etc, are protected and preserved in different Wildlife Sanctuaries.

Question 5.
What are found in rock shelters of Panchmarhi Biosphere Reserves?
Answer:
There are rock paintings found in the rock shelters. Figures of animals, men shown as fighting, hunting, dancing, and playing musical instruments are depicted in these rock paintings. Figures of man-eater tiger and a group of people are also shown in these rock paintings.

Conservation of Plants and Animals Class 8 Extra Questions Long Answer Type

Question 1.
Define a desertification and deforestation with two consequences of each.
Answer:
Desertification:
Excessive deforestation leads to removal of the top layer of the soil which exposes the lower, hard and rocky layers. This soil has less humus and is less fertile. Gradually the fertile land gets converted into deserts. It is called desertification. Agriculture, animal husbandry and groundwater pumping are all significant contributors to the process.

Consequences of desertification :
(a) Desertification affects the agriculture to a large extent.
(b) It results in decease in rain fall. ,
(c) Desertification exposes the land to floods.
(d) It results in decease in the level of – groundwater.

Deforestation:
Clearing of forests by cutting down forest trees over a wide area is called deforestation,
Consequences of deforestation :
(a) Soil erosion
(b) Loss of biodiversity
(c) Floods and droughts
(d) Climate change due to global warming
(e) Disruption of water cycle

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