PYQ Vault

Day 207: CBSE Class 10 Science

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

  1. Question 1

    Metals and Non-metals. Asked once: 2023 (same type asked 4 times)

    5
    Among the following, the metal with lowest density is :

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  2. Question 2

    Metals and Non-metals. Asked once: 2024 (same type asked 4 times)

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    17
    Assertion (A) : Different metals have different reactivities with water and dilute acids. Reason (R) : Extraction of a metal from its ore depends on its position in the reactivity series.

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  3. Question 3

    Our Environment. Asked once: 2025 (same type asked 4 times)

    16
    Which one of the following gets biomagnified at different levels in a food chain ?

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  4. Question 4

    Our Environment. Asked once: 2023 (same type asked 4 times)

    10
    Study the given figure of a Food web and identify the primary consumer in the food web:

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  5. Question 5

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

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    20
    Assertion (A) : Ozone layer protects the surface of the Earth from harmful UV radiations. Reason (R) : Chlorofluorocarbons (CFCs) are responsible for depletion of ozone layer.

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