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93
MCQ (Single Correct Answer)

Assertion (A) Chemical messenger gives message to the cell without entering the cell.

Reason (R) Chemical messenger is received at the binding site of receptor proteins.

A
Assertion and reason both are correct statements but reason does not explain assertion.
B
Assertion and reason both are correct and reason explains the assertion.
C
Both assertion and reason are wrong statements.
D
Assertion is correct statement reason is wrong statement.
E
Assertion is wrong statement reason is correct statement.
94
MCQ (Single Correct Answer)

Assertion (A) Receptor proteins show selectivity for one chemical messenger over the other.

Reason (R) Chemical messenger binds to the receptor site and inhibits its natural function.

A
Assertion and reason both are correct statements but reason does not explain assertion.
B
Assertion and reason both are correct and reason explains the assertion.
C
Both assertion and reason are wrong statements.
D
Assertion is correct statement reason is wrong statement.
E
Assertion is wrong statement reason is correct statement.
95
MCQ (Single Correct Answer)

Assertion (A) All chemicals added to food items are called food preservatives.

Reason (R) All these chemicals increase the nutritive value of the food.

A
Assertion and reason both are correct statements but reason does not explain assertion.
B
Assertion and reason both are correct and reason explains the assertion.
C
Both assertion and reason are wrong statements.
D
Assertion is correct statement reason is wrong statement.
E
Assertion is wrong statement reason is correct statement.
96
MCQ (Single Correct Answer)

Assertion (A) Preservative are added to food items.

Reason (R) Preservatives inhibit the growth of mircroorganisms.

A
Assertion and reason both are correct statements but reason does not explain assertion.
B
Assertion and reason both are correct and reason explains the assertion.
C
Both assertion and reason are wrong statements.
D
Assertion is correct statement reason is wrong statement.
E
Assertion is wrong statement reason is correct statement.
97
MCQ (Single Correct Answer)

Assertion (A) Artificial sweeteners are added to the food to control the intake of calories.

Reason (R) Most of the artificial sweeteners are inert and do not metabolise in the body.

A
Assertion and reason both are correct statements but reason does not explain assertion.
B
Assertion and reason both are correct and reason explains the assertion.
C
Both assertion and reason are wrong statements.
D
Assertion is correct statement reason is wrong statement.
E
Assertion is wrong statement reason is correct statement.
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