Which soil is best conserved by contour ploughing? MCQ with Answer and Explanation

Which soil is best conserved by contour ploughing?

A. Desert soil

B. Mountain soil

C. Alluvial soil

D. Peaty soil

Answer: Option B

Contour ploughing is used in hilly regions to reduce soil erosion.

This question belongs to: Geography GK Soils of India

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Question #1 Report Error

Which Indian soil type is regarded as the backbone of agriculture in the Northern Plains?

A. Black Soil

B. Red Soil

C. Laterite Soil

D. Alluvial Soil

Correct Answer: Option D

Explanation:
The fertile alluvial soils of the Northern Plains support intensive agriculture and high crop yields.

This question belongs to: Geography GK Soils of India

Question #2 Report Error

Which soil is most suitable for wheat cultivation in northern India?

A. Black soil

B. Desert soil

C. Alluvial soil

D. Laterite soil

Correct Answer: Option C

Explanation:
Alluvial soil of northern plains supports wheat cultivation.

This question belongs to: Geography GK Soils of India

Question #3 Report Error

Which nutrient deficiency causes yellowing of leaves in crops?

A. Iron

B. Potassium

C. Both Nitrogen and Iron

D. Nitrogen

Correct Answer: Option C

Explanation:
Deficiency of nitrogen or iron can lead to chlorosis, causing leaves to turn yellow.

This question belongs to: Geography GK Soils of India