PYQ Vault

Day 182: CBSE Class 10 Science

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

  1. Question 1

    Life Processes. Asked once: 2025 (same type asked 3 times)

    31
    List three raw materials required by terrestrial plants for photosynthesis. Explain how nature provides these raw material to the plants.

  2. Question 2

    Life Processes. Asked once: 2023 (same type asked 3 times)

    9
    In the following diagram, identify the cells through which massive amounts of gaseous exchange takes place for photosynthesis :

    Tap an option to check your answer.

  3. Question 3

    Life Processes. Asked once: 2023 (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.
    19
    Assertion (A) : Amoeba takes in food using finger like extensions of the cell surface. Reason (R) : In all unicellular organisms, the food is taken in by the entire cell surface.

    Tap an option to check your answer.

  4. Question 4

    Life Processes. Asked once: 2025 (same type asked 3 times)

    29
    Name the blood vessel that brings (i) oxygenated blood (ii) deoxygenated blood, to the human heart. Also name that chamber of the heart which receives deoxygenated blood and state how deoxygenated blood from this chamber is sent to lungs for oxygenation.

  5. Question 5

    Light — Reflection and Refraction. Asked once: 2023 (same type asked 3 times)

    30 (B)
    An object of height 10 cm is placed 25 cm away from the optical centre of a converging lens of focal length 15 cm. Calculate the image-distance and height of the image formed.