NEET Chemistry: Questions 638 - 645 of 941

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Question number: 638

» Biomolecules » Proteins

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

MCQ▾

Question

Which air pollutant is not released by scooters and cars?

Choices

Choice (4) Response

a.

Fly ash

b.

CO

c.

Hydrocarbons

d.

SO2

Question number: 640

» Biomolecules » Carbohydrates

MCQ▾

Question

Sucrose on hydrolysis gives?

Choices

Choice (4) Response

a.

Glucose and galactose

b.

Glucose only

c.

Glucose and lactose

d.

Glucose and fructose

Question number: 641

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

MCQ▾

Question

H2S+O2H2O+X Balance the above equation and what is X?

Choices

Choice (4) Response

a.

4SO3

b.

S2O3

c.

2SO2

d.

H_2SO3

Question number: 642

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Hydrocarbons

b.

NOx

c.

SOx

d.

O3

Question number: 643

» Environmental Chemistry » Tropospheric Pollutants » Acid Rain

MCQ▾

Question

The Acid rain possesses?

Choices

Choice (4) Response

a.

Sulphiric acid

b.

Sulfurous acid

c.

Nitric acid

d.

All a. , b. and c. are correct

Question number: 644

» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention

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.

Dust

b.

Fog

c.

Smog

d.

Smoke

Question number: 645

» Biomolecules » Proteins

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Biuret test

b.

Hellion’s test

c.

Ninhydrin test

d.

Xanthoprotein test

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