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Standard IX
Geography
Red Soil
Q. Consider t...
Question

Q. Consider the following statements about the types of soils found in India:

Which of the above given statements is/are correct?

A

1 only
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B

1 and 3 only
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C

3 only
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D

1, 2 and 3
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Solution

The correct option is C
3 only
Explanation:

Statement 1 is incorrect: Red soil develops a reddish colour due to wide diffusion of iron in crystalline and metamorphic rocks. Crystalline and metamorphic rocks such as acid granites, gneisses, and quartzites are the primary parent rocks for Red Soil.

Statement 2 is incorrect: Laterite soils (not red soil) are widely cut as bricks for use in house construction. ‘Laterite’ means brick in Latin. They harden greatly on losing moisture.

Statement 3 is correct: Fertile alluvial soils are saline in areas of intensive agriculture with excessive irrigation, as excessive irrigation with dry climatic conditions encourages capillary action resulting in salt accumulation on the top layer of the soil.

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Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> With respect to the Red and yellow soil , consider the following statements:


1. Red soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern part of the Deccan Plateau and also along the piedmont zone of western ghat.
2. The soil develops a reddish colour due to a wide diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form.
3. The fine-grained red and yellow soils are normally fertile, whereas coarse-grained soils found in dry upland areas are poor in fertility.
4. They are generally poor in nitrogen, phosphorus and humus.

Select the correct code from the following:

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> With respect to the Laterite soil ,consider the following statements:

1. Laterite has been derived from the Latin word ‘Later’ which means brick.
2. The laterite soils develop in areas with low temperature and low rainfall.
3. Red laterite soils in Tamil Nadu, Andhra Pradesh and Kerala are more suitable for tree crops like cashew nuts.
4. Laterite soils are widely cut as bricks for use in house construction.

Select the correct code from the following:
Q. Which of the following statements regarding the soils in India are correct?
1. The alluvial soils are immature and have weak profiles.
2. The black soil has high water retention capacity.
3. The red soils are infertile, they do not respond even to fertilizers and irrigation and gives poor yields.
4. Due to intensive leaching laterite soil generally lack fertility.
Select the correct answer from the codes given below:
Q. Which of the following statements regarding red soils of India is/are correct?
1. The colour of the soil is red due to ferric oxide content.
2. Red soils are rich in lime, humous and potash.
3. Red soils look yellow when it occurs in hydrated form.
Select the correct answer using the codes given.
Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Choose the correct statement regarding soils in India.

1. Alluvial soil are light grey to ash grey in colour.
2. Red soils are red because of ferric oxides present in them.
3. Desert soils are rich in organic matter.
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