STD-6th Chapter Test Sub-science Mark-20
16 Questions
| Total Attempts: 112
Natural resources-Air,water&land Q. 1 a) fill in the blanks.
Questions and Answers
- 1.The layer of of ozone gas absorbs -------- rays that comes from the sun to the earth.
- A.
Ultraviolet
- B.
X-rays
- C.
Cosmic
- D.
Atmospheric
- 2.Of the total water available on the earth from water from ------ Percent.
- A.
0.4
- B.
0.7
- C.
0.1
- D.
0.3
- 3.Both ------ and ------ constituents are present in the soil.
- A.
Biotic, abiotioc
- B.
Air,water
- C.
Gases,air
- D.
Oxygen,nitrogen
- 4.The atmosphere is the layer of------- that surrounding the earth.
- A.
Water
- B.
Air
- C.
Gas
- D.
Earth
- 5.--------- layer is a protective shell of the earth.
- A.
Ultraviolet
- B.
Nitrogen
- C.
Ozone
- D.
Neon
- 6.Q.2 True or false. land and soil are the same things.
- A.
True
- B.
False
- 7.The water in the lake is called ground water.
- A.
True
- B.
False
- 8.It takes about 1000 year to form a 25 cm thick layer of soil.
- A.
True
- B.
False
- 9.Radon is use in decorative light.
- A.
True
- B.
False
- 10.We also look upon this natural components is solid.liquid and gaseous form a resources.
- A.
True
- B.
False
- 11.Q.2 b) observe the picture page no.1( text book) and answer the question. 5 where do we see the birds?
- A.
In sky
- B.
Water
- C.
Land
- D.
Tree
- 12.Where is the aeroplane?
- A.
Land
- B.
Sky
- C.
Water
- D.
Earth
- 13.On what is the sailboat floating?
- A.
Water
- B.
Sky
- C.
Land
- D.
Tree
- 14.Where are the fish seen?
- A.
Land
- B.
Sky
- C.
Water
- D.
Air
- 15.Where is the cow grassing?
- A.
On ground
- B.
Water
- C.
Sky
- D.
Tree.
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