PYQ Vault

Day 146: CBSE Class 10 Science

5 questions. Try each one first, then open its answer.

  1. Question 1

    Control and Coordination. Asked once: 2023 (same type asked 4 times)

    11
    Select from the following the correct statement about tropic movement in plants :

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  2. Question 2

    Control and Coordination. Asked once: 2023 (same type asked 4 times)

    35 (b)
    (i) Name the disorder which a person is likely to suffer from due to the following : (I) Over-secretion of growth hormone (II) Deficiency of oestrogen in females (III) Less secretion of thyroxine Also name the gland that secretes each of the hormones mentioned above. (ii) How is the timing and amount of hormone released regulated ? Explain with the help of an example.

  3. Question 3

    Control and Coordination. Asked once: 2025 (same type asked 4 times)

    9
    Which among the following is not a neural action controlled by the part of human brain labelled ‘X’ in the figure above ?

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  4. Question 4

    Control and Coordination. Asked once: 2023 (same type asked 4 times)

    11
    Sensory nerve of a reflex arc carries information from the receptor cells to the :

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  5. Question 5

    Electricity. Asked once: 2024 (same type asked 4 times)

    33
    (a) State Ohm’s law. Write formula for the equivalent resistance RpR_p of the parallel combination of three resistors of values R1R_1, R2R_2 and R3R_3. (b) Find the resistance of the following network of resistors :