1.

In each of the following questions, a statement of Assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Of the statements, mark the correct answer as : (a) if both A and R are true and R is the correct explanation of A(b) if both A and R are true but R is not the correct explanation of A (c) if A is true but R is false (d) if both A and R are false.Assertion : Halobacterium is able to live under high salt conditions like salt beds, salt marshes, etc.  Reason : Halobacterium contains red carotenoid pigment in its cell membranes which protects it against harmful solar radiations and also lacks sap vacuoles hence can avoid plasmolysis.

Answer»

(a) if both A and R are true and R is the correct explanation of A.



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