PYQ Vault

Day 172: CBSE Class 10 Science

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

  1. Question 1

    Control and Coordination. Asked once: 2023 (same type asked 4 times)

    22 (B)
    Where are auxins synthesized in a plant ? Which organ of the plant shows : (i) Positive phototropism (ii) Negative geotropism (iii) Positive hydrotropism

  2. Question 2

    Control and Coordination. Asked once: 2025 (same type asked 4 times)

    7
    The part of the hind-brain controlling involuntary actions such as salivation and vomiting in humans is :

    Tap an option to check your answer.

  3. Question 3

    Control and Coordination. Asked once: 2023 (same type asked 4 times)

    25
    Write the sequence of events that involve response of a person when a dust particle is inhaled through the nose by him.

  4. Question 4

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

    36
    (a) State Ohm’s Law. (b) Name and define the physical quantity determined by the slope of V – I curve given in the diagram. Use this graph to find the value of this physical quantity in SI units. (c) Establish the relationship between 1 kWh and 1 joule.

  5. Question 5

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

    14
    In case of four wires of same material, the resistance will be minimum if the diameter and length of the wire respectively are

    Tap an option to check your answer.