QUIZ OF CLASS -5, (Topic- FORESTS)
A Fill in the blanks :
1. Forest serve as home to many types of ................... .
.
.
2. Forest absorb large amounts of ................ gas.
3. Deforestation................
rainfall in the surrounding areas.
3. Deforestation................
rainfall in the surrounding areas.
4. ............................................... is the largest bird sanctuary in Asia .
5. For early man ,forests were source of ........... and ............ .
Answer:-1-animals 2-carbon dioxid 3-decrease 4-Bharatpur bird sanctuary in rajasthan 5-food, shelter
B Match the following :
1 resins a. cutting down of tree
2. forests b. adhesives
3. deforestation c. soil conservators
4. aswagandha d. paint
5. gums e. medicinal plant
Ans - 1-d, 2-c, 3-a, 4-e, 5-b
1. The leaf, use to make disposable plates,
is the--..
a) tendu leaf b) areca nut leaf
c) amla leaf d) brahmi leaf
2. Deforestation results in --
a) soil erosion b) floods
c) low rainfall d) all of above
3. bee wax is used to make--
a) spices b) varnish c) medicine d) adhesive
4. witch of the following is not forest product ?
a) gum b) timber c) aswagandha d) kerosene
5. If forest disappear, the amount of ----
a) carbon dioxide, in air, will decrease .
b) oxigen in air will increase.
c) carbon dioxide, in air, will increase.
d)nitrogen, in air, will increase.
Ans. :- 1-(b), 2-(d), 3-(c), 4-(d), 5-(c)
D. Answer the following questions in brief:-
1. Name any four products that are obtained from
for forests.
Ans.- Oxygen, wood, fruit, medicines, gums etc.
2. why do some men cut trees ?
Ans:- Need more land to make house, industries,
agriculture and need wood for constructions.
3. What is the Gir National Park famous for ?
Ans:- Gir National Park is famous for Asiatic Lion.
4. Name two migratory birds that visit Bharatpur Bird
Sanctuary.
Ans:- Siberian cranes, brons, ibis, pelicans, and painted
storks.
5. what is the average temperature and annual rainfall neded
for a forest to develop ?
Ans:- A forest to develop average temperatures is grater than
10 digries C and an annual rainfall of at least 200mm.
1. List four harmful effects of deforestation ?
Ans.- 1) Decreasing rainfall,
2) Increasing carbon dioxide in the atmosphere.
3) Decreasing the levels of ground water.
4) Increasing in soil erosion by floods.
2. How do forests prevent soil erosion ?
Ans.- Trees bind soil particles with their strong roots. This prevents soil from being washed away.
3. State the importance of forests to humam beings ?
ans.- Forest is more importance of human beings becouse forest are air purifiers and give us fruits, woods, maedicines, gums etc......
4. Why are forests known as the ‘lungs of the earth’ ?
Ans. Becouse forests purify the air by absorbing carbon dioxide and releasing oxygen forests helps to maintain the climate balance over a large area. so it is knows at lung of earth.
5. How can we contribute towards protection of forest ?
Ans. We will contribute towards protection of forest :
1) Minimum use of wood and woods products.
2) Not using products that promots destruction of forests.
3) Not killing of wild animals.
4) We celebrating van-mahotsave, and thousend of trees are planting during this forest festival.
Ans.- It means hug the trees by women of the Reni village in 1972, prevented the workers from using their axes and
saws to cut trees.
2. Which percent (%) of the world’s ancients forests are left ?
Ans-- Only 20% lefts.
3. Which second, a forest of the size of a football field, disappears every seconds ?
Ans- Every two second.
4. Bees wax is uses in ......... ?
Ans- Cosmetic and medicines.
5. Write any three medicinal plants ?
Ans- Amla, Aswagandha and Brahmi.
6. What are use of Resins ?
Ans- Resins are use of warnish and paints.
7. What are use of trees gum ?
Ans- Trees gum is use of medicines and foods.
8. What are use of dyes ?
Ans- Dyes are use of colours clothes and paper etc.
9. Which leaf is also called green gold of Odisa ?
Ans- Tendu leaf.
10. What is use of Bamboo ?
Ans- Bamboo is use of baskets boats, bridges, buckets, fishing rods, musical instrument, paper, furniture etc.......
thanks......
C. Tick the correct option:-
1. The leaf, use to make disposable plates,
is the--..
a) tendu leaf b) areca nut leaf
c) amla leaf d) brahmi leaf
2. Deforestation results in --
a) soil erosion b) floods
c) low rainfall d) all of above
3. bee wax is used to make--
a) spices b) varnish c) medicine d) adhesive
4. witch of the following is not forest product ?
a) gum b) timber c) aswagandha d) kerosene
5. If forest disappear, the amount of ----
a) carbon dioxide, in air, will decrease .
b) oxigen in air will increase.
c) carbon dioxide, in air, will increase.
d)nitrogen, in air, will increase.
Ans. :- 1-(b), 2-(d), 3-(c), 4-(d), 5-(c)
D. Answer the following questions in brief:-
1. Name any four products that are obtained from
for forests.
Ans.- Oxygen, wood, fruit, medicines, gums etc.
2. why do some men cut trees ?
Ans:- Need more land to make house, industries,
agriculture and need wood for constructions.
3. What is the Gir National Park famous for ?
Ans:- Gir National Park is famous for Asiatic Lion.
4. Name two migratory birds that visit Bharatpur Bird
Sanctuary.
Ans:- Siberian cranes, brons, ibis, pelicans, and painted
storks.
5. what is the average temperature and annual rainfall neded
for a forest to develop ?
Ans:- A forest to develop average temperatures is grater than
10 digries C and an annual rainfall of at least 200mm.
E. Answer the following question.
1. List four harmful effects of deforestation ?
Ans.- 1) Decreasing rainfall,
2) Increasing carbon dioxide in the atmosphere.
3) Decreasing the levels of ground water.
4) Increasing in soil erosion by floods.
2. How do forests prevent soil erosion ?
Ans.- Trees bind soil particles with their strong roots. This prevents soil from being washed away.
3. State the importance of forests to humam beings ?
ans.- Forest is more importance of human beings becouse forest are air purifiers and give us fruits, woods, maedicines, gums etc......
4. Why are forests known as the ‘lungs of the earth’ ?
Ans. Becouse forests purify the air by absorbing carbon dioxide and releasing oxygen forests helps to maintain the climate balance over a large area. so it is knows at lung of earth.
5. How can we contribute towards protection of forest ?
Ans. We will contribute towards protection of forest :
1) Minimum use of wood and woods products.
2) Not using products that promots destruction of forests.
3) Not killing of wild animals.
4) We celebrating van-mahotsave, and thousend of trees are planting during this forest festival.
F. Do you know these.......question............ .
1. What is Chipko Andolan ?Ans.- It means hug the trees by women of the Reni village in 1972, prevented the workers from using their axes and
saws to cut trees.
2. Which percent (%) of the world’s ancients forests are left ?
Ans-- Only 20% lefts.
3. Which second, a forest of the size of a football field, disappears every seconds ?
Ans- Every two second.
4. Bees wax is uses in ......... ?
Ans- Cosmetic and medicines.
5. Write any three medicinal plants ?
Ans- Amla, Aswagandha and Brahmi.
6. What are use of Resins ?
Ans- Resins are use of warnish and paints.
7. What are use of trees gum ?
Ans- Trees gum is use of medicines and foods.
8. What are use of dyes ?
Ans- Dyes are use of colours clothes and paper etc.
9. Which leaf is also called green gold of Odisa ?
Ans- Tendu leaf.
10. What is use of Bamboo ?
Ans- Bamboo is use of baskets boats, bridges, buckets, fishing rods, musical instrument, paper, furniture etc.......
thanks......
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