PYQ Vault

Day 102: CBSE Class 10 Science

5 questions (8 parts). Try each one first, then open its answer.

  1. Question 1

    Control and Coordination. Asked once: 2026 (same type asked 2 times)

    12 (A)
    Varun is diabetic. His latest ultrasound reports showed a blockage in his pancreatic duct. How will this affect the dual functioning of the pancreas ?

  2. Question 2

    Electricity. Asked once: 2025 (same type asked 2 times)

    14
    The resistivity of a wire made of an alloy is generally :

    Tap an option to check your answer.

  3. Question 3

    How do Organisms Reproduce?. Asked once: 2026 (same type asked 2 times)

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    9
    Assertion (A) : Reproduction, like any other life process, is essential to maintain the life of an individual organism. Reason (R) : Reproduction involves creation of a DNA copy and additional cellular apparatus by the cell involved in the process.

    Tap an option to check your answer.

  4. Question 4

    Life Processes. Asked once: 2025 (same type asked 2 times)

    11
    Which one of the following is not an excretory product in plants ?

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  5. Question 5 (case study, 4 parts)

    Life Processes. Asked once: 2024 (same type asked 2 times)

    Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An artificial kidney is a device to remove waste products from the blood through dialysis.
    38 (a)
    (i) Name the artery that brings oxygenated blood to the kidney. (ii) Name the cluster the thin-walled blood capillaries present in the Bowman’s capsule.
    38 (b)
    In human excretory system name the organ which stores urine. Is this organ under hormonal control or nervous control ?
    38 (c) (i)
    List two major steps involved in the formation of urine and state in brief their functions.
    38 (c) (ii)
    In which part of the nephron does selective reabsorption take place ? List the factors which the amount of water reabsorbed depends on.