Resources and Development Test

Result

Resources and Development Test - 31

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Weekly Quiz Competition

Question 1
1 / -0

Which one of the following is not a result of soil erosion?

A
Accumulation of silt in the river bed

B
Deforestation

C
Decrease in the percolation of water

D
Decrease in the soil fertility
Question 2
1 / -0

Regur soil is formed from the disintegration of ________.

A
Volcanic rocks

B
Hard rocks

C
Crystalline rocks

D
Soft rocks

Solution

Typically found in lava-covered areas, soils are generally referred to as "black cotton soils." The term black cotton soil is coined because in the region where the black soil is found, cotton is the typical crop. Black soil is created by the weathering of lava (a igneous rock) and the cooling of lava after a volcanic eruption. Rich in humus, iron and also high quality magnesia, lime and alumina.
The correct answer is A .
Question 3
1 / -0

Mountain soil is best suited for the cultivation of tea, coffee and spices because it is rich in _________.

A
Lime and magnesium carbonates

B
Nitrogen and organic residues

C
Ferric oxide and aluminium

D
Clay particles
Question 4
1 / -0

The soil deposited by rivers is called _____________.

A
Alluvial soil

B
Red soil

C
Laterite soil

D
Black soil
Question 5
1 / -0

To reduce the demand for resources, it is necessary to __________.

A
Control growth of population

B
Recycle the resources

C
Create social awarness

D
All of the these

Solution

Resources are limited in the world so we have to reduce their demand, which can be done in the following ways-
1) Population control if there is less population less demand for the resource.
2)Recycling of the resources so that they can be used again and again until their utility is exhausted.
3)By educating and making social awareness about sustainable development and recycle, reuse method.
Question 6
1 / -0

Water holding capacity of clayey soil is more than sandy soil because _____.
a) Space between clay particles is more
b) Surface of clay particle is more
c) Space between sand particle is more
d) Clay particle can absorb more water
Which one of the following alternatives is correct?

A
A, D

B
B, D

C
B, C

D
C, D

Solution

Clay soil have high water holding capacity. This is because the space between clay soil particles is higher making them possess more retention capacity. These soils can absorb more water.
Question 7
1 / -0

In Tamil Nadu soil erosion by ___________ is very common in Kambam valley.

A
Wind

B
River

C
Glacier

D
Wave

Solution

Soil erosion means the removal of the top layer of the soil, which makes the soil infertile.
soil erosion can happen by various agents like running water, glaciers, tides, winds, etc.
In areas around Kamban valley, soil erosion is a very serious problem here the soil erosion is caused by the coastal winds on the eastern side of the western ghats.
Question 8
1 / -0

Biotic resources are those obtained from the _______.

A
Time

B
Biosphere

C
Water

D
Wind

Solution

Fossil fuels are the resources with are formed over time. The resources which are obtained from the biosphere are known as biotic resources, these are renewable resources. Wind Energy is the non-conventional source of energy harnessed through wind.
Question 9
1 / -0

________ determines thickness of soil profile.

A
Climate

B
Time

C
Relief

D
Wind

Solution

Time determines the thickness of soil profile as many layers of sand, weathered rock, humus gets deposited over the already present soil layer.
Question 10
1 / -0

Which type of sediments are carried by glaciers?

A
Sheepbacks

B
Moraines

C
Aretes

D
All of above

Solution

The glaciers carry sediments with them. These sediments are called moraines. Depending on the location of the deposits, moraines can be divided into four type.

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Re-Attempt Weekly Quiz Competition

Resources and Development Test - 31

Result

Resources and Development Test - 31

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Rank

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SHARING IS CARING

Question 1

Accumulation of silt in the river bed

Deforestation

Decrease in the percolation of water

Decrease in the soil fertility

Question 2

Volcanic rocks

Hard rocks

Crystalline rocks

Soft rocks

Solution

Question 3

Lime and magnesium carbonates

Nitrogen and organic residues

Ferric oxide and aluminium

Clay particles

Question 4

Alluvial soil

Red soil

Laterite soil

Black soil

Question 5

Control growth of population

Recycle the resources

Create social awarness

All of the these

Solution

Question 6

A, D

B, D

B, C

C, D

Solution

Question 7

Wind

River

Glacier

Wave

Solution

Question 8

Time

Biosphere

Water

Wind

Solution

Question 9

Climate

Time

Relief

Wind

Solution

Question 10

Sheepbacks

Moraines

Aretes

All of above

Solution

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