Question 1

What are the main medicinally important alkaloids found in Ephedra?

Accepted Answer

Ephedrine and pseudoephedrine

Answer

Caffeine and theobromine

Answer

Nicotine and quinine

Answer

Morphine and codeine

Question 2

Which alkaloid is primarily extracted from the plant material using steam distillation?

Accepted Answer

Ephedrine

Answer

Capsaicin

Answer

Cathinone

Answer

Colchicine

Question 3

What is the primary action of ephedrine on adrenergic receptors?

Accepted Answer

It acts as a sympathomimetic drug

Answer

It inhibits neurotransmitter reuptake

Answer

It acts as a sedative

Answer

It blocks dopamine receptors

Question 4

Which test identifies ephedrine with a purple color change?

Accepted Answer

Chen's test

Answer

Mayer's test

Answer

Iodine test

Answer

Dragendorff's test

Question 5

What is a common use for pseudoephedrine?

Accepted Answer

As a decongestant

Answer

As a muscle relaxant

Answer

As an analgesic

Answer

As an antidepressant

Question 6

What characteristic does cathinone share with amphetamines?

Accepted Answer

CNS stimulant effects

Answer

Anticonvulsant effects

Answer

Antipsychotic effects

Answer

Antidepressant effects

Question 7

What condition can colchicine help treat?

Accepted Answer

Gout

Answer

Asthma

Answer

Diabetes

Answer

Hypertension

Question 8

What is the primary mechanism of action for Taxol?

Accepted Answer

It stabilizes microtubules

Answer

It inhibits DNA synthesis

Answer

It reduces cytokine production

Answer

It blocks ion channels

Question 9

In which pharmaceutical preparation is capsaicin commonly found?

Accepted Answer

Topical analgesic creams

Answer

Cough syrups

Answer

Antidepressant tablets

Answer

Oral antihistamines

Question 10

What is a major concern regarding the use of methcathinone?

Accepted Answer

It is highly addictive

Answer

It cannot be synthesized

Answer

It is completely legal worldwide

Answer

It has no side effects

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