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Social ScienceCBSE Class 10 · Sample paper, session 2024-25 · 5 marks · Long answer

CBSE Class 10 Social Science sample paper 2024-25: question 30(B)

From the official CBSE sample question paper for 2024-25, section D, question 30(B), for 5 marks. Try it first; the hints and our step-by-step solution are below.

Q30(B) · 5 marks · Long answerCompetency-basedResources and Development

'Mohan recently bought a farm and wants to grow crops such as sugarcane, cotton, and jowar. He is unfamiliar with the local soil types and climatic conditions.' Help him identify the appropriate soil type and its properties for successful farming.

Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2024-25.

Hints

Open one hint at a time and try again before the next.

Hint 1

Which soil is called regur and suits cotton?

Hint 2

Think of its texture and moisture.

Hint 3

Recall its nutrients and how it behaves when dry and when wet.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. Black soil (regur) is ideal for cotton, jowar and sugarcane. It is typical of the Deccan trap (basalt) region and is formed from lava flows.

    1 mark
  2. It covers the plateaus of Maharashtra, Saurashtra, Malwa, Madhya Pradesh and Chhattisgarh, and extends south-east along the Godavari and Krishna valleys.

    1 mark
  3. It is made of extremely fine clayey material and holds moisture well.

    1 mark
  4. It is rich in calcium carbonate, magnesium, potash and lime, but poor in phosphoric content.

    1 mark
  5. It develops deep cracks in hot weather, which aerates the soil. It is sticky when wet, so it must be tilled right after the first shower or in the pre-monsoon period.

    1 mark

Answer: Black soil is suitable. It is clayey, moisture-retentive, rich in lime and potash, poor in phosphorus, and cracks when dry.

Where the marks are

  • Identifies black soil and its origin (1 mark)
  • Areas where it is found (1 mark)
  • Clayey and moisture retentive (1 mark)
  • Nutrient content (1 mark)
  • Cracking and tilling features (1 mark)

Revise the chapter

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.