Life Processes Chapter 5 Class 10 Science PYQs


Practice PYQ of Life Processes Chapter 5 Class 10 Science with handpicked important questions from previous years question paper with solutions.


    Q1:

    (i) What is the first step in the breakdown of glucose during aerobic and anaerobic respiration ? Where does it take place ? (ii) ATP is called the energy currency of the cell. Why ? (iii) What is meant by residual volume of air in a breathing cycle ?

    CBSE [2023]

    Medium

    Q2:

    Why is it important to prevent oxygenated and deoxygenated blood from mixing in birds and mammals ?

    CBSE [2023]

    Easy

    Q3:

    Which animals can tolerate some mixing of the oxygenated and deoxygenated blood streams ? On what factor does the body temperature of these animals depend ?

    CBSE [2023]

    Easy

    Q4:

    Assertion (A) : Blood clotting prevents excessive loss of blood. Reason (R) : Blood clotting is due to blood plasma and white blood cells present in the blood.

    (a) Both (A) and (R) are true and (R) is the correct explanation of (A). (b) Both (A) and (R) are true, but (R) is not the correct explanation of (A). (c) (A) is true, but (R) is false. (d) (A) is false, but (R) is true.

    CBSE [2023]

    Easy

    Q5:

    Consider the following statements about small intestine and select the one which is NOT correct :

    (a)The length of the small intestine in animals differs as it depends on the type of food they eat. (b) The small intestine is the site of complete digestion of food. (c) The small intestine receives secretions from liver and pancreas. (d) The villi of the small intestine absorbs water from the unabsorbed food before it getlife-processess removed from the body via the anus.

    CBSE [2023]

    Easy

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