PYQ Vault

Day 138: CBSE Class 10 Science

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

  1. Question 1

    Electricity. Asked once: 2025 (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.
    19
    Assertion (A) : Nichrome is an alloy which is commonly used in electrical heating devices such as electric irons, toasters, etc. Reason (R) : The resistivity of nichrome is high and its resistance decreases with increase in temperature.

    Tap an option to check your answer.

  2. Question 2

    How do Organisms Reproduce?. Asked once: 2024 (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.
    18
    Assertion (A) : Offsprings produced by asexual reproduction are genetically similar to the parents. Reason (R) : Asexual reproduction involves a single parent.

    Tap an option to check your answer.

  3. Question 3

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

    23
    State the main function of arteries. Why do they have thick and elastic walls ?
  4. Question 4

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

    8
    Observe the following diagram and identify the process and its significance from the following options :

    Tap an option to check your answer.

  5. Question 5

    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) : The needle of a magnetic compass kept in strong external magnetic field, always aligns itself in north-south direction on the earth. Reason (R) : Behaviour of the needle of a compass is same as that of a freely suspended bar magnet.

    Tap an option to check your answer.