Assertion and Reason Questions on Class 12 Chemistry Chapter 16 Chemistry in Everyday Life
Directions: These questions consist of two statements, each printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
Table of Contents
Q.1. Assertion : The drugs which act on the central nervous system and help in reducing anxiety are called antibiotics.
Reason : Pencillin is an antibiotic.
Answer
aQ.2. Assertion : Equanil is a tranquilizer.
Reason : Equanil is used to cure depression and hypertension.
Answer
aQ.3. Assertion : Tetracycline is a broad spectrum antibiotic.
Reason : Tetracyclin is effective against a number of types of bacteria, large viruses and typhus fever.
Answer
aQ.4. Assertion : Antiseptics are applied to living tissues.
Reason : Iodine is a powerful antiseptic.
Answer
aQ.5. Assertion : Sedatives are given to patients who are mentally agitated and violent.
Reason : Sedatives are used to suppress the activities of central nervous system.
Answer
aQ.6. Assertion : Non-competitive inhibitor inhibits the catalytic activity of enzyme by binding with its active site.
Reason : Non-competitive inhibitor changes the shape of the active site in such a way that substrate can’t recognize it.
Answer
aQ.7. Assertion : Sodium chloride is added to precipitate soap after saponification.
Reason : Hydrolysis of esters of long chain fatty acids by alkali produces soap in colloidal form.
Answer
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