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586. Given below are two statements, labeled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ? 1. Assertion (A) : Seeds should be treated with fungicides before sown. 2. Reason (R) : Seeds do nto germinate, unless treated with fungicide solution.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
587. Chandragupta II fought war with the
A. Sakas
B. Huns
C. Kushans
D. Parthians
Explanation:
588. To a person on the moon, the sky appears
A. blue
B. orange
C. white
D. black
Explanation:
589. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Sound waves cannot be polarised.Reason (R) : Sound waves can be longitudinal or transverse.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
590. Given below are two statements, labelled as Assertion (A) and Reason (R). In the context of the two statements, which of the following is correct ?Assertion (A) : Radius of atom decreases from left to right across a period in the periodic table.Reason (R) : The nuclear chrage increases and orbital electrons are pulled in closer.
A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Explanation:
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