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Class 12 Chemistry
Chemistry In Everyday Life Chapter 15
Quiz 1
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Chemicals of low molecular masses (~100u–500u) and which interact with macromolecular targets and produce a biological response are known as:
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Drugs
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Chemotherapy
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Messenger
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Receptor
The branch of science that deals with the treatment of diseases using suitable chemicals is known as:
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Medical science
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Toxicology
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Chemotherapy
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Entomology
Which drug does not fit the category of narcotics?
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Codein
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Heroin
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Morphine
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Analgin
In the body, message between two neurons and that between neurons to muscles is communicated through certain chemicals. These chemicals are the:
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Receptor
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Chemical messengers
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Cell membrane
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Binding site
Shape of the receptor gets changed after attachment of:
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Binding site
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Messenger
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Cell membrane
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Receptor
Drugs that mimic the natural messenger by switching on the receptor are called:
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Inhibitor
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Messenger
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Agonists
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Antagonists
Drugs which can block the binding site of the enzyme and prevent the binding of substrate, or can inhibit the catalytic activity of the enzyme are called as:
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Catalytic inhibitors
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Enzyme inhibitors
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Chemical inhibitors
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Enzyme receptors
Which class of drugs share common structural features and often have similar pharmacological activity?
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Aspirin
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Paracetamol
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Caffine
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Sulphonamides
Drugs that bind to the receptor site and inhibit its natural function are called:
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Inhibitors
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Receptor
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Messenger
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Antagonists
A broad spectrum antibiotic is:
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Paracetamol
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Chloramphenicol
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Aspirin
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Penicillin
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