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Life Processes

CBSE Class 10 · Science · 30 past questions

23 of 30 · show all

  1. Q1 2026
    Which structure in a leaf is mainly responsible for gaseous exchange ?
  2. Q2 2026
    Pancreas secretes pancreatic juice which contain certain enzyme that helps in digestion of food.…
  3. Q3 2026
    Directions : Question numbers 8 and 9 are Assertion and Reason based questions. Two statements are given, one…
  4. Q5 2026
    For Questions number 8 and 9, two statements are given — one labelled as Assertion (A) and the other labelled…
  5. Q6 2026
    What kind of respiration provides more energy and why ?
  6. Q7 2026
    The carbohydrates, which are not used immediately in plants, are stored in the form of ‘a’, which serves as…
  7. Q10 Sample paper 2026-27
    During photosynthesis, what happens to carbon dioxide and water as glucose is formed?
  8. Q12 Sample paper 2026-27
    The following two questions consist of two statements – Assertion (A) and Reason (R). Answer these questions…
  9. Q14 2025
    The opening and closing of stomata is regulated by…
  10. Q15 2025
    One-cell thick blood vessels are known as…
  11. Q16 2025
    For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…
  12. Q17 2025
    The gastric glands present in the wall of the stomach release…
  13. Q19 2025
    Secretion of less saliva in mouth will effect the conversion of…
  14. Q20 2025
    The breakdown of glucose has taken the following pathway…
  15. Q21 2024
    In human respiratory system, when a person breathes in, the position of ribs and diaphragm will be…
  16. Q22 2024
    Photosynthesis takes place in the leaves and the food prepared by it reaches other parts of the plants. Name…
  17. Q23 2024
    For Q. Nos. 17 to 20, two statements are given – One labelled as Assertion (A) and the other labelled as…
  18. Q24 2023
    An organism which breaks down the food material outside the body and then absorbs it is
  19. Q25 2023
    Consider the following statements about small intestine and select the one which is NOT correct…
  20. Q27 2023
    Opening and closing of stomata is due to…
  21. Q28 2023
    Write one specific function each of the following organs in relation with excretion in human beings…
  22. Q29 2023
    Sphincter muscles are present at the exit of…
  23. Q30 2023
    During vigorous exercise, the occurrence of cramps in the outer muscles of an athlete is due to the…