Question

1. i) Select the correct answer to the question from the options (a), (b), (c)
and (d) as given below:
Assertion (A): The Intensity of an earthquake is measured by Richter scale.
Reason (R): The Intensity of an earthquake increases as the distance from
the epicentre increases. (1m)
ii) Why do you hear thunder a little later than seeing lightning while both are
produced at the same time? (2 m)
12. i) Select the correct answer to the question from the options (a), (b), (c)
and (d) as given below:
Assertion (A): Mitochondria are known as the powerhouse of a
cell.
Reason (R): These generate energy for various cellular activities.
(1m)
a) Both A and R are true, and R is correct explanation of the
assertion.
b) Both A and R are true, but R is not the correct explanation of the
assertion.
c) A is true, but R is false.
d) A is false, but R is true

Answer 1

Answer:

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Answer 2

Answer:

a option reyy boyyyyyyyyyyyy