NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 638 - 645 of 1258

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Question number: 638

» Biomolecules » Proteins

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MCQ▾

Question

Main structural unit of protein is?

Choices

Choice (4) Response

a.

Peptide linkage

b.

Ester linkage

c.

Ether linkage

d.

None of the above

Question number: 639

» Environmental Chemistry » Particulate Pollutants » Dust

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MCQ▾

Question

Which air pollutant is not released by scooters and cars?

Choices

Choice (4) Response

a.

Hydrocarbons

b.

c.

d.

Fly ash

Question number: 640

» Biomolecules » Carbohydrates

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MCQ▾

Question

Sucrose on hydrolysis gives?

Choices

Choice (4) Response

a.

Glucose and fructose

b.

Glucose and lactose

c.

Glucose and galactose

d.

Glucose only

Question number: 641

» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur

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MCQ▾

Question

Balance the above equation and what is X?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 642

» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur

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MCQ▾

Question

Which of the following air pollutants can be decomposed by sunlight?

Choices

Choice (4) Response

a.

b.

c.

d.

Hydrocarbons

Question number: 643

» Environmental Chemistry » Tropospheric Pollutants » Acid Rain

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MCQ▾

Question

The Acid rain possesses?

Choices

Choice (4) Response

a.

Nitric acid

b.

Sulfurous acid

c.

Sulphiric acid

d.

All a. , b. and c. are correct

Question number: 644

» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention

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MCQ▾

Question

Combination of particulate with order of nitrogen and hydrocarbons in presence of sunlight, leads to the formation of?

Choices

Choice (4) Response

a.

Smog

b.

Smoke

c.

Fog

d.

Dust

Question number: 645

» Biomolecules » Proteins

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MCQ▾

Question

In which of the following test of protein, tyrosine is formed on hydrolysis?

Choices

Choice (4) Response

a.

Hellion’s test

b.

Xanthoprotein test

c.

Biuret test

d.

Ninhydrin test