PYQ Vault

Day 149: CBSE Class 10 Science

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

  1. Question 1

    How do Organisms Reproduce?. Asked once: 2025 (same type asked 4 times)

    9
    Which of the following is the correct sequence of parts of female reproductive system of flowering plants in terms of their placement ?

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  2. Question 2

    Life Processes. Asked once: 2024 (same type asked 4 times)

    25
    Mention the pathway of urine in our body starting from the organ of its formation to its excretion. What will happen if the tubular part of the nephron does not work properly?

  3. Question 3

    Life Processes. Asked once: 2025 (same type asked 4 times)

    12
    In human alimentary canal, the digestive juice secreted by the gastric glands are

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  4. Question 4

    Life Processes. Asked once: 2024 (same type asked 4 times)

    29
    (i) Why is respiratory pigment needed in multicellular organisms with large body size ? (ii) Give reasons for the following : (a) Rings of cartilage are present in the throat. (b) Lungs always contain a residual volume of air. (c) The diaphragm flattens and ribs are lifted up when we breathe in. (d) Walls of alveoli contain an extensive network of blood vessels.

  5. Question 5

    Life Processes. Asked once: 2025 (same type asked 4 times)

    29
    On the basis of the characteristics of the processes given in the brackets in each case, differentiate between the following : (a) Products of breakdown of pyruvate in aerobic and anaerobic respiration in human beings (product(s) of the processes) (b) Respiration and photosynthesis in plants (gas released) (c) Respiration in terrestrial animals and fishes (organs involved)