Land Soil Water Natural Vegetation and Wildlife Resources Test

Result

Land Soil Water Natural Vegetation and Wildlife Resources Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

What are the components of top soil?

A
Humus and vegetation

B
Sand and silt

C
Sand and clay

D
Weathered rock material

Solution

The different layers of soil are composed of different kinds of materials. The top soil contains humus and vegetation. The sub-soil contains sand, silt and clay. Weathered rock material is present in the third layer of soil.

The correct answer is A.
Question 2
1 / -0

What percentage of the Earth is covered by land?

A
50

B
30

C
80

D
25

Solution

Thirty percent of the surface area of the Earth is covered by land.

The correct answer is B.

Question 3

1 / -0

Use the following information to answer the next question.

i percent of the water on the Earth is considered fresh. Only ii____ percent of the freshwater is available and fit for human use.

The information in which alternative completes the given statements?

i ii

2.7 1

i ii

20 15

i ii

70 5.5

i ii

50 12.4

Solution

2.7 percent of the water on the Earth is considered fresh. Only 1 percent of the freshwater is available and fit for human use.

The correct answer is A.

Question 4
1 / -0

Wildlife is not getting endangered because of

A
increasing incidences of poaching

B
the domestication of wild animals

C
increase in the trade of wild animals

D
increasing incidences of deforestation

Solution

Domestication of wildlife is not a reason for endangering of wildlife.

The correct answer is B.
Question 5
1 / -0

Which of the following measures is not a part of the methods of soil conservation?

A
Covering bare ground with organic matters such as straw

B
Piling up rocks to slow down the flow of water

C
Making terraces on steep slopes

D
Growing same crops in all the rows of a field

Solution

Growing same crops in all the rows of a field is not a part of the methods of soil conservation. Instead, different crops are grown in alternative rows and are sown at different times to protect the soil from rain wash.

The correct answer is D.
Question 6
1 / -0

Which of the following types of vegetation is not a major vegetation type in the world?

A
Grassland

B
Wasteland

C
Tundra

D
Scrubs

Solution

Wasteland is not a type of vegetation. Forests, grasslands, scrubs and tundra are major vegetation types in the world.

The correct answer is B.
Question 7
1 / -0

Which of the following factors does not affect soil formation?

A
Time

B
Climate

C
Parent rock

D
Population

Solution

Population is not among the factors that affect soil formation.

The correct answer is D.
Question 8
1 / -0

Which of the following regions is most densely populated?

A
Thick forested areas

B
Steep slopes of mountains

C
Low-lying areas

D
River valleys

Solution

River valleys offer land suitable for agriculture. Hence, these are among the most densely populated regions in the world.

The correct answer is D.

Question 9

1 / -0

Use the following information to answer the next question.

Land is used for different purposes such as agriculture, forestry, mining, building houses, paving roads and setting up industries.

Which of the following factors does not determine land use?

Topography

Population

Technology

Wildlife

Solution

Wildlife is not a factor that determines land use.

The correct answer is D.

Question 10

1 / -0

Use the following information to answer the next question.

Countries	Percentage of Area
Countries	In Cropland	In Forest
Brazil	9	66
Australia	6	14
France	35	27
Japan	12	67
China	10	14
India	57	22
Russia	8	44
U.K	29	10
U.S.A	21	32
Canada	5	39

Which countries have the highest and the lowest percentage of land under cropland and forests respectively?

India and the U.K.

India and Australia

The U.K. and India

Australia and the U.K.

Solution

India has the highest percentage of area under cropland while the country with lowest percentage of forest area is the U.K.

The correct answer is A.

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Re-Attempt Weekly Quiz Competition

Land Soil Water Natural Vegetation and Wildlife Resources Test - 5

Result

Land Soil Water Natural Vegetation and Wildlife Resources Test - 5

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Rank

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SHARING IS CARING

Question 1

Humus and vegetation

Sand and silt

Sand and clay

Weathered rock material

Solution

Question 2

50

30

80

25

Solution

Question 3

i ii 2.7 1

i ii 20 15

i ii 70 5.5

i ii 50 12.4

Solution

Question 4

increasing incidences of poaching

the domestication of wild animals

increase in the trade of wild animals

increasing incidences of deforestation

Solution

Question 5

Covering bare ground with organic matters such as straw

Piling up rocks to slow down the flow of water

Making terraces on steep slopes

Growing same crops in all the rows of a field

Solution

Question 6

Grassland

Wasteland

Tundra

Scrubs

Solution

Question 7

Time

Climate

Parent rock

Population

Solution

Question 8

Thick forested areas

Steep slopes of mountains

Low-lying areas

River valleys

Solution

Question 9

Topography

Population

Technology

Wildlife

Solution

Question 10

India and the U.K.

India and Australia

The U.K. and India

Australia and the U.K.

Solution

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i ii

2.7 1

i ii

20 15

i ii

70 5.5

i ii

50 12.4