PYQ Vault

Day 103: CBSE Class 10 Science

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

  1. Question 1

    Life Processes. Asked once: 2023 (same type asked 2 times)

    8
    Sphincter muscles are present at the exit of :

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  2. Question 2

    Life Processes. Asked once: 2025 (same type asked 2 times)

    23
    State the main function of veins in human circulatory system. Why do they not need thick walls ?

  3. Question 3

    Life Processes. Asked once: 2023 (same type asked 2 times)

    8
    The process in which loss of water in the form of vapours from the aerial parts of plants takes place is X, which helps in Y. Here X and Y respectively are :

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  4. Question 4

    Magnetic Effects of Electric Current. Asked once: 2026 (same type asked 2 times)

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    32
    Assertion (A) : With the help of compass, magnetic field lines can be traced outside the bar magnet. Reason (R) : The north pole of a compass needle always points towards the south pole of the magnet when brought close to it.

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  5. Question 5

    Metals and Non-metals. Asked once: 2026 (same type asked 2 times)

    26 (a)
    (i) Write one example each of one metal that is so soft that it can be cut with a knife, and one non-metal that is a good conductor of electricity. (ii) Using the electronic configuration, explain how Mg atom combines with oxygen to form magnesium oxide by transfer of electrons. [Atomic number : Mg = 12, O = 8]