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Improvement in Food Resources Science - Improvement in Food Resources

Jharkhand Board (JAC) - STD 9 - Science (Jharkhand - English Medium). 770 questions in this chapter.

Question types

Improvement in Food Resources question types

770 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

770
Questions
8
Question groups
5
Question types
Sample Questions

Improvement in Food Resources questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q. [1 M]1 Mark
Which of the following is incorrect for green manure?
  • A
    It supplies organic matter.
  • B
    It supplies nitrogen.
  • C
    It prevents soil erosion.
  • ✓
    It allows leaching.

Answer: D.

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Q 2M.C.Q. [1 M]1 Mark
Which of the following are Indian cattle$?$
  1. Bos indicus.
  2. Bos domestica.
  3. Bos bubalis.
  4. Bos vulgaris.
  • A
    $(i)$ and $(iii).$
  • B
    $(i)$ and $(ii).$
  • C
    $(ii)$ and $(iii).$
  • ✓
    $(iii)$ and $(iv).$

Answer: D.

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Q 3M.C.Q. [1 M]1 Mark
Why is dwarfness preferred in cereal crops?
  • A
    They would provide more yield
  • ✓
    They would consume less minerals
  • C
    They would be resistant to pests
  • D
    All of the above

Answer: B.

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Q 4M.C.Q. [1 M]1 Mark
Milk does not provide:
  • A
    Vitamin $A$ and $D.$
  • B
    Carbohydrates, proteins and fats.
  • C
    Minerals such as phosphorus and calcium.
  • ✓
    Iron.

Answer: D.

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Q 6Assertion (A) & Reason (B) MCQ1 Mark
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Manure contains large quantity of organic matter and also supplies small quantities of nutrients to the soil.
Reason: Manure can be classified as compost, vermicompost or green manure.
  • ✓
    Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  • B
    The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  • C
    Assertion is true but the Reason is false.
  • D
    The statement of the Assertion is false but the Reason is true.

Answer: A.

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Q 7Assertion (A) & Reason (B) MCQ1 Mark
In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: A healthy animal feeds regularly and has a normal posture.
Reason: Parasites live on the skin of cattle.
  • ✓
    Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.
  • B
    The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.
  • C
    Assertion is true but the Reason is false.
  • D
    The statement of the Assertion is false but the Reason is true.

Answer: A.

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