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Test:Soils of India- 1 - Class 4 MCQ


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12 Questions MCQ Test - Test:Soils of India- 1

Test:Soils of India- 1 for Class 4 2024 is part of Class 4 preparation. The Test:Soils of India- 1 questions and answers have been prepared according to the Class 4 exam syllabus.The Test:Soils of India- 1 MCQs are made for Class 4 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test:Soils of India- 1 below.
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Test:Soils of India- 1 - Question 1

Where do Apples and Pears grow best?

Detailed Solution for Test:Soils of India- 1 - Question 1

Apples and Pears grow best in valleys because valleys provide the right kind of environment and soil for these fruits to grow healthy and tasty. Valleys have the perfect conditions like good sunlight and water for these fruits to thrive and become delicious for us to eat.

Test:Soils of India- 1 - Question 2

State whether the following statement is True or False:

Mountain soils are found on the slopes of mountains and are very fertile for growing crops.

Detailed Solution for Test:Soils of India- 1 - Question 2
  • Mountain soils are found on the slopes of mountains, but they are not very fertile for growing crops. The slopes of mountains have gravelly and small broken pieces of stones, making it difficult for crops to grow well. Orchards are grown on the slopes, rice in the valley, and potatoes almost everywhere.
  • So, the statement is False because mountain soils are not very fertile for growing crops.
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Test:Soils of India- 1 - Question 3

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

Detailed Solution for Test:Soils of India- 1 - Question 3

Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. ... The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.

What Is Humus Made Of - Learn The Difference Between Compost And Humus

Test:Soils of India- 1 - Question 4

 Wind blowing dirt and sand through the air is an example of...

Detailed Solution for Test:Soils of India- 1 - Question 4

Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. A similar process, weathering, breaks down or dissolves rock, but does not involve movement.

Test:Soils of India- 1 - Question 5

State whether the following statement is True or False

Soil erosion is the process of carrying away soil.

Detailed Solution for Test:Soils of India- 1 - Question 5
  • True! Soil erosion means the movement of soil from one place to another. This can happen due to different reasons like wind, rain, or glaciers.
  • When the soil moves away, it can be challenging for plants to grow and for us to use the land for farming.
  • So, it's important to learn about soil erosion and how to prevent it to keep our land healthy and useful.
Test:Soils of India- 1 - Question 6

Soil is the upper layer of the earth composed of loose surface material. It is a mixture of many substances including many minerals, remnants of plants and animals, _____ and air.

Detailed Solution for Test:Soils of India- 1 - Question 6

Soil is made up of minerals, plants, animals, and also contains water. Water is important for the health of the soil and helps plants grow.

Test:Soils of India- 1 - Question 7

What type of soils are found in the basins of Sutlej, Ganga, and Brahmaputra rivers?

Detailed Solution for Test:Soils of India- 1 - Question 7

Alluvial soils are found in the basins of Sutlej, Ganga, and Brahmaputra rivers. These soils are very fertile, ideal for growing various crops. Farmers like to grow crops on alluvial soils because they provide good nutrients to plants and help them grow healthy and strong.

Test:Soils of India- 1 - Question 8

State whether the following statement is True or False:

Cotton grows best in black soils.

Detailed Solution for Test:Soils of India- 1 - Question 8
  • Explanation: Cotton indeed grows best in black soils. Black soils are very fertile and suitable for growing crops like cotton, which need good nutrients to grow well. So, the statement that cotton grows best in black soils is True.

  • Additional Fact: Black soils are also known as regur soils and are rich in minerals like calcium, magnesium, and potassium, making them excellent for agriculture.

Test:Soils of India- 1 - Question 9

Planting of trees and grass to cover and bind the soil with their roots to prevent erosion is called __________________.

Detailed Solution for Test:Soils of India- 1 - Question 9

Planting of trees and grass to cover and bind the soil with their roots to prevent erosion is called afforestation. 

Test:Soils of India- 1 - Question 10

Which of the following soil conservation methods involves changing a steep hill into smaller, flatter fields?

Detailed Solution for Test:Soils of India- 1 - Question 10

Terrace farming soil conservation methods involve changing a steep hill into smaller, flatter fields

Test:Soils of India- 1 - Question 11

Which method of soil conservation involves planting rows of trees or shrubs to reduce the speed of wind and prevent soil erosion?

Detailed Solution for Test:Soils of India- 1 - Question 11

Explanation:

  • Windbreak involves planting rows of trees or shrubs to reduce wind speed. These barriers help prevent soil erosion by wind, particularly in areas with loose, dry soil. The trees or shrubs act as a shield, reducing the force of the wind and trapping soil particles that might otherwise be blown away.

So, Windbreak is a method of soil conservation that effectively protects the soil from wind erosion.

 

 

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Test:Soils of India- 1 - Question 12
Which type of soil is formed from the solidification of lava and holds large amounts of water?
Detailed Solution for Test:Soils of India- 1 - Question 12
Black soil, also known as lava soil, is formed from the solidification of lava. It is characterized by its high moisture-retaining capacity, making it suitable for crops like cotton and sugarcane.
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