Pharmacognosy MCQs with Answers

Pharmacognosy MCQs

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Note: Answer keys are given at the end of the MCQs.

MCQ # 01

All the below-given compounds are alkaloids. Vitali-Morin test is used for the identification of which alkaloid?
a- pilocarpine
b- morphine
c- atropine
d- reserpine
e- papaverine

MCQ # 02

Which among the following is NOT an opium alkaloid?
a- cocaine
b- morphine
c- papaverine
d- noscapine
e- thebaine

MCQ # 03

Alkaloids are given against their pharmacological activities. Identify the INCORRECT match?

a- ephedrine: antiasthma
b- quinidine: vasodilatory
c- galantamine: cholinomimetic
d- quinine: antimalarial 
e- nicotine: anxiolytic

MCQ # 04

One of the given statements is INCORRECT about alkaloids. Which one?

a- Pseudoalkaloids do not originate from amino acids
b- adrenaline is not a true alkaloid
c- alkaloids are found only in plants
d- nicotine is an oxygen-free alkaloid
e- all alkaloids have at least one nitrogen atom in their structure

MCQ # 05

The emetic alkaloid present in ipecac is;

a- coniine
b- cephaeline
c- scopolamine
d- solanine 
e- berberine

MCQ # 06

An example of pseudoalkaloids is;

a- theophylline
b- mescaline
c- adrenaline
d- nicotine
e- atropine

MCQ # 07

Which alkaloid has been used traditionally as an aphrodisiac and to enhance sexual performance;

a- Physostigmine
b- Reserpine
c- Yohimbine
d- Tubocurarine
e- Nicotine

MCQ # 08

Quinine and Quinidine are similar in all respects except;

a- origin
b- chemical structure
c- antimalarial activity
d- solubility
e- in rotating plane-polarized light

MCQ # 09

Which chemical constituent is NOT naturally obtained from the opium poppy plant?

a- codeine
b- thebaine
c- papaverine 
d- noscapine
e- theophylline

MCQ # 10

A toxic alkaloid that is historically known for its use as an arrow poison is:

a- ephedrine
b- tubocurarine
c- morphine
d- theobromine
e- galantamine

MCQ # 11

The pharmacological class of Cinnamon bark is;

a- antispasmodic
b- purgative
c- anticancer
d- cardio tonic
e- astringent

MCQ # 12

The chemical constituents of Black catechu are;

a- tannins
b- alkaloids
c- resins
d- proteins
e- carbohydrates

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Answer Keys

MCQ # - Correct option

1 - c

2 - a

3 - b

4 - c

5 - b

6 - a

7 - c

8 - e

9 - e

10 - b

11- c

12- a