Question

Directions for Question numbers 9, 10 and 11.
They are “Assertion-Reason” based questions.
They consist of two statements- (1) Assertion and (2) Reason.
Select the answer to these questions using the code given below.
a. Both (1) and (2) are true and (2) is the correct explanation of (1)
b. Both (1) and (2) are true, but (2) is not the correct explanation of (1)
c. (1) is true but (2) is false
d. (1) is false, but (2) is true
09
1. Assertion: Atomic weights of most of the elements are not
whole numbers.
2. Reason : Atoms of most of the elements contain a mixture of
isotopes having different atomic weights.
(1
10
1. Assertion: Isobars are atoms of the same element.
2. Reason : They have different chemical properties.
(0)
1
Assertion: Prevention of disease is more desirable than its
successful treatment.
1. Reason : The category to which a disease-causing organism
belongs decides the type of treatment.
( ) 1
(​

Answer 1

Answer:

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