Question

A and R represents assertion and reason respectively.
Select option (a), if assertion (A) is right and reason (R) is correct explanation of assertion (A).
Select option (b), if both assertion (A) and reason (R) are right but reason is not the correct explanation of
assertion
Select option (c), it assertion is right but reason is wrong.
Select option (d), if assertion is wrong but reason is right.
Select option (e), if both assertion and reason are talse.
11. Assertion: Platinum, Gold and Silver are used to make jewellery.
Reason: Platinum, Gold and Silver are least reactive metals
Assertion: When ethanol.is heated at 443K with excess conc.H2SO4 , ethane is obtained
Reason: Cone. H 50. acts as dehydrating agent.
13. Assertion: Reflex actions are automatic and rapid responses to stimuli.
Reason: These actions are controlled by brain
Assertion: The sex of the children will be determined by chromosomes received from the father.
Reason: A human male has one X and one Y-chromosome.
Assertion: When the length of a wire is doubled, then its resistance also doubled.
Reason: The resistance of a wire is directly proportional to its length.​

Answer 1

Answer:

1)a

2)e

3)c

4)a

5)a

Explanation:

These are the options

Answer 2

Answer:

11 ans:a

12 ans : b

13 ans : a

13 ans b

13 ans : a

Explanation:

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