PYQ Vault

Day 193: CBSE Class 10 Science

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

  1. Question 1

    How do Organisms Reproduce?. Asked once: 2022 (same type asked 4 times)

    7
    Name the part/organ of the human female reproductive system (a) where contraceptive devices such as loop or copper-T are placed to prevent pregnancy. (b) which is blocked to prevent the transfer of eggs. (c) where formation of green cells as ova takes place. (d) from where the embryo gets nutrition from the mother’s blood.

  2. Question 2

    How do Organisms Reproduce?. Asked once: 2023 (same type asked 4 times)

    35
    Give reason for the following : (a) During reproduction inheritance of different proteins will lead to altered body designs. (b) Fertilization cannot take place in flowers if pollination does not occur. (c) All multicellular organisms cannot give rise to new individuals through fragmentation or regeneration. (d) Vegetative propagation is practised for growing only some type of plants. (e) The parents and off-springs of organisms reproducing sexually have the same number of chromosomes.

  3. Question 3

    Life Processes. Asked once: 2023 (same type asked 4 times)

    23
    Write one specific function each of the following organs in relation with excretion in human beings : (i) Renal Artery (ii) Urethra (iii) Glomerulus (iv) Tubular part of nephron

  4. Question 4

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

    22
    State one role of each of the following in human digestive system : (i) Hydrochloric acid (ii) Villi (iii) Anal Sphincter (iv) Lipase

  5. Question 5

    Life Processes. Asked once: 2023 (same type asked 4 times)

    24
    Write one important function each of the following in the human respiratory system : (a) Rings of Cartilage (b) Alveoli (c) Haemoglobin (d) Lining of mucus