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 Multiple Choice QuestionsShort Answer Type

131. List two major classes of antibiotics with an example of each class.
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132.

Explain what do you understand by spectrum of antibiotics. Give examples.

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133.

Explain the considerations in drug designing. 


Two considerations of major importance in drug designing are:

(i) Choice of drug target: Drug usually interacts with biological macro-molecules such as carbohydrates, lipids, proteins, and nucleic acid. These biological macro-molecules are called targets.

(ii) Drug Metabolism: A drug travels through the body in order to reach the target. Therefore, its design should be such that it reaches the target without being metabolised in between. Also, after its action, it should be excreted without causing harm to the body.

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 Multiple Choice QuestionsLong Answer Type

134.

Describe the following with suitable examples:
(i) Tranquilizers.
(ii) Antifertility drugs.
(iii) Antihistamines.

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135.

Describe the following with suitable examples:
(i) Preservative                  
(ii) Artificial sweeteners
(iii) Antioxidants                
(iv) Edible colours.

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136. What are detergents? Give their scheme of classification. Why are detergents preferred over soaps?
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 Multiple Choice QuestionsFill In the Blanks

137.

A substance used to relieve pain is called __________.

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138.

_____________ is used as an antiseptic and disinfectant.

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139.

A drug that has sedatative effect is called a _________.

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140.

Detergrent molecules associated with ___________ hydrocarbon tail is a source of pollution.

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