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Olympiad Test: Soil - CTET & State TET MCQ


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10 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) - Olympiad Test: Soil

Olympiad Test: Soil for CTET & State TET 2024 is part of NCERT Textbooks (Class 6 to Class 12) preparation. The Olympiad Test: Soil questions and answers have been prepared according to the CTET & State TET exam syllabus.The Olympiad Test: Soil MCQs are made for CTET & State TET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Soil below.
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Olympiad Test: Soil - Question 1

The uppermost fertile layer of earth crust is called

Detailed Solution for Olympiad Test: Soil - Question 1

The uppermost fertile layer of the earth's crust is called:

         2. Humus

Humus is the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms. It is rich in nutrients and is crucial for soil fertility and plant growth.

Olympiad Test: Soil - Question 2

The water holding capacity is the highest in

Detailed Solution for Olympiad Test: Soil - Question 2

The amount of water retained by soil per unit volume is called as water holding capacity. It is highest in the clayey soil.

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Olympiad Test: Soil - Question 3

In addition to the rock particles, the soil contains

Detailed Solution for Olympiad Test: Soil - Question 3

In addition of the rock particles, the soil contains minerals, organic matter, air and water.

Olympiad Test: Soil - Question 4

Which layer is formed of decayed organic matter?

Detailed Solution for Olympiad Test: Soil - Question 4

The decayed organic matter in the soil form humus which is black in colour.

Olympiad Test: Soil - Question 5

Soil erosion is a process of

Detailed Solution for Olympiad Test: Soil - Question 5

The process of removal of top soil due to action of air, water etc. is called soil erosion.

Olympiad Test: Soil - Question 6

-------------- are soils in which more than half of the parent mineral matter is volcanic ash and appear very dark in colour.

Detailed Solution for Olympiad Test: Soil - Question 6

Volcanic soils are soils in which more than half of the parent mineral matter is volcanic ash ans appear very dark in colour.

Olympiad Test: Soil - Question 7

Breaking down of big pieces of rock into smaller pieces is called

Detailed Solution for Olympiad Test: Soil - Question 7

The process of breaking down big pieces of rock into smaller pieces is called weathering.

Olympiad Test: Soil - Question 8

Which soil is made from basaltic rock?

Detailed Solution for Olympiad Test: Soil - Question 8

Type of soil depends upon the rock from which soil is formed. Basaltic rock forms the black soil.

Olympiad Test: Soil - Question 9

Soil best suited for cultivation of wheat, rice and sugarcane is

Detailed Solution for Olympiad Test: Soil - Question 9

The soil suited for cultivation of wheat, rice and sugarcane is called alluvial soil.

Olympiad Test: Soil - Question 10

Red soil In which horizon of soil weathering is taking place?

Detailed Solution for Olympiad Test: Soil - Question 10

C - horizon is just above the bedrock which is made of rocks and thus weathering takes place in the C - horizon.

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