PYQ Vault

Day 173: CBSE Class 10 Science

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

  1. Question 1

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

    16
    Two LED bulbs of 10W and 5W are connected in series. If the current flowing through 5W bulb is 0.005A, the current flowing through 10W bulb is :

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  2. Question 2

    Electricity. Asked once: 2026 (same type asked 4 times)

    37
    Consider the given electric circuit : Calculate the following : (a) Total resistance of the circuit (b) The electric current drawn from the battery (c) Potential difference between points P and Q

  3. Question 3

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

    9
    In an experiment with pea plants, a pure tall plant (TT) is crossed with a pure short plant (tt). The ratio of pure tall plant to pure short plants in F2\mathrm{F_2} generation will be

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  4. Question 4

    Heredity. Asked once: 2022 (same type asked 4 times)

    13
    How do Mendel’s experiments show that the traits are inherited independently ? Explain.

  5. Question 5

    How do Organisms Reproduce?. Asked once: 2025 (same type asked 4 times)

    9
    Bryophyllum produces new plant through :

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