Pharmacognosy [GATE (Graduate Aptitude Test in Engineering) Pharmaceutical Engineering]: Questions 1 - 5 of 11

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Question 1

Appeared in Year: 2001

Question

MCQ▾

Plant hormone that shows specific effect in cell division is:

Choices

Choice (4)Response

a.

Auxin

b.

Abscisic acid

c.

Cytokinin

d.

Ethylene

Question 2

Pharmacognosy

Appeared in Year: 1990

Question

MCQ▾

Powder ergot when treated with sodium hydroxide solution develops:

Choices

Choice (4)Response

a.

A strong odour of trimethyl amine

b.

A strong odour of indole

c.

A strong odour of ammonia

d.

A strong odour of urea

Question 3

Pharmacognosy

Appeared in Year: 2001

Question

MCQ▾

Choose the correct trichomes of Digitalis purpurea:

Choices

Choice (4)Response

a.

Numerous covering trichomes and a few glandular trichomes

b.

Few coverin trichomes

c.

Few covering and glandular trichomes

d.

Few glandular trichomes

Question 4

Pharmacognosy

Appeared in Year: 2001

Question

MCQ▾

Morphine undergoes microsomal oxidation by:

Choices

Choice (4)Response

a.

N-dealkylation

b.

Aromatic hydroxylation

c.

Oxidative deamination

d.

O-dealkylation

Question 5

Pharmacognosy

Appeared in Year: 1998

Question

MCQ▾

Which of the following is true for alkaloidal bases?

Choices

Choice (4)Response

a.

Water solubility and organic solvent solubility

b.

Water insolubility and organic solvent solubility

c.

Water solubility and organic solvent insolubility

d.

Water insolubility and organic solvent insolubility

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