PYQ Vault

Day 131: CBSE Class 10 Science

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

  1. Question 1

    Our Environment. Asked once: 2025 (same type asked 3 times)

    16
    Identify from the following a group containing all non-biodegradable substances.

    Tap an option to check your answer.

  2. Question 2

    Our Environment. Asked once: 2023 (same type asked 3 times)

    21
    State two reasons why human-made materials like plastics persist for a long time in the environment.

  3. Question 3

    The Human Eye and the Colourful World. Asked once: 2024 (same type asked 3 times)

    31 (a)
    Study the diagram given below and answer the questions that follow : (i) Name the defect of vision depicted in this diagram stating the part of the eye responsible for this condition. (ii) List two causes of this defect. (iii) Name the type of lens used to correct this defect and state its role in this case.

  4. Question 4

    The Human Eye and the Colourful World. Asked once: 2023 (same type asked 3 times)

    29
    List two differences in the characteristic properties of the virtual images formed by the two types of spherical lenses (concave and convex). How are these characteristics of the two lenses used in the correction of the two common defects of vision namely myopia and hypermetropia ?

  5. Question 5

    The Human Eye and the Colourful World. Asked once: 2024 (same type asked 3 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) : The rainbow is a natural spectrum of sunlight in the sky. Reason (R) : Rainbow is formed in the sky when the sun is overhead and water droplets are also present in air.

    Tap an option to check your answer.