Class 8 Science - Chapter Conservation of Plants and Animals NCERT Solutions | Differentiate between the following: (a
Differentiate between the following:
(a) Wildlife sanctuary and biosphere reserve
(b) Zoo and wildlife sanctuary
(c) Endangered and extinct species
(d) Flora and fauna
(a) Wildlife sanctuary and biosphere reserve
|
Wildlife sanctuary |
Biosphere reserve |
|
The area in which animals are protected from hunting. |
The area which is constructed for the conservation of the biodiversity. |
|
It provides suitable condition for the survival. |
It conserves various plants, animals and microorganisms etc. |
|
Example: Pachmarhi sanctuary |
Example: Pachmarhi biosphere |
(b) Zoo and wildlife sanctuary
|
Zoo |
Wildlife sanctuary |
|
In zoo, animals are kept for public exhibition. |
The area in which animals are protected from hunting. |
|
It is an artificial habitat. |
It is an natural habitat. |
(c) Endangered species and extinct species
|
Endangered species |
Extinct species |
|
The population of the species which is at the stage of extinction. |
The species which gets disappears from the earth. |
|
Example: Leopard, blue whale etc. |
Example: Doda, passenger pigeon etc. |
(d) Flora and fauna
|
Flora |
Fauna |
|
All living plant of the particular area refers as flora. |
All living animals are referred to as fauna of that particular habitat. |
|
Example: Sal, Mango, Teak, Pine etc. |
Example: Wolf, Wild dog, Leopard etc. |
More Questions From Class 8 Science - Chapter Conservation of Plants and Animals
- Q:-
Discuss the effects of deforestation on the following:
(a) Wild animals
(b) Environment
(c) Villages (Rural areas)
(d) Cities (Urban areas)
(e) Earth
(f) The next generation - Q:-
Answer in brief:
(a) Why should we conserve biodiversity?
(b) Protected forests are also not completely safe for wild animals. Why?
(c) Some tribals depend on the jungle. How?
(d) What are the causes and consequences of deforestation?
(e) What is Red Data Book?
(f) What do you understand by the term migration? - Q:-
Find out the information about the national parks in your state. Identify and show their location on the outline map of India.
- Q:-
Complete the word puzzle:
Down
1. Species on the verge of extinction.
2. A book carrying information about endangered species.
5. Consequence of deforestation.
Across
1. Species which have vanished.
3. Species found only in a particular habitat.
4. Variety of plants, animals and microorganisms found in an area.
- Q:-
Why should paper be saved? Prepare a list of ways by which you can save paper.
- Q:-
In order to meet the ever-increasing demand in factories and for shelter, trees are being continually cut. Is it justified to cut trees for such projects? Discuss and prepare a brief report.
- Q:-
Explain how deforestation leads to reduced rainfall.
- Q:-
What will happen if:
(a) we go on cutting trees.
(b) the habitat of an animal is disturbed.
(c) the top layer of soil is exposed. - Q:-
How can you contribute to the maintenance of green wealth of your locality? Make a list of actions to be taken by you.
- Q:-
Fill in the blanks:
(a) A place where animals are protected in their natural habitat is called .
(b) Species found only in a particular area is known as .
(c) Migratory birds fly to far away places because of changes.
Popular Questions of Class 8 Science
- Q:-
Which of the following can be beaten into thin sheets?
(a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen - Q:-
Fill in the blanks
(a) Most liquids that conduct electricity are solutions of , ______________ and ______________.
(b) The passage of an electric current through a solution causes ______________ effects.
(c) If you pass current through copper sulphate solution, copper gets deposited on the plate connected to the terminal of the battery.
(d) The process of depositing a layer ofany desired metal on another material by means of electricity is called . - Q:-
Give two examples each of situations in which you push or pull to change the state of motion of objects.
- Q:-
Fill in the blanks:
(a) Friction opposes the _____________ between the surfaces in contact with each other.
(b) Friction depends on the _____________ of surfaces. (c) Friction produces __________.
(d) Sprinkling of powder on the carrom board ________ friction.
(e) Sliding friction is ___________ than the static friction. - Q:-
List conditions under which combustion can take place.
- Q:-
Indicate whether the following statements are True (T) or False (F).
(a) Unicellular organisms have one-celled body. (T/F)
(b) Muscle cells are branched. (T/F)
(c) The basic living unit of an organism is an organ. (T/F)
(d) Amoeba has irregular shape. (T/F) - Q:-
Which of the following cannot be charged easily by friction?
(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) A woollen cloth. - Q:-
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room. Explain.
- Q:-
What are the different ways in which water gets contaminated ?
- Q:-
Explain the importance of reproduction in organisms.
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(b) LPG is a better domestic fuel than wood.
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- Q:-
Word game : Use the clues to work out the words.
Across
3. Protruding voice box in boys
4. Glands without ducts
7. Endocrine gland attached to brain
8. Secretion of endocrine glands
9. Pancreatic hormone
10. Female hormoneDown
1. Male hormone
2. Secretes thyroxine
3. Another term for teenage
5. Hormone reaches here through blood stream
6. Voice box
7. Term for changes at adolescence
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