Chemistry Class 12 Chapter 14MacromoleculesTest 6

Chemistry Class 12 Chapter 14
Macromolecules
Test 6

1. A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called?

Varnish
Fiber
Plastic
None of these

2. Which one of the following nitrogeneous bases is not present in RNA?

Thiamine
Uracil
Cytosine
Adenine

3. Vegetable oils are?

All of these
Glyceride of saturated fatty acid
Unsaturated fatty acid
Glycerides of unsaturated fatty acid

4. The fiber which is made from acrylonitrile as monomer?

Acrylic fiber
Polyester fiber
PVC
Rayon fiber

5. Plastic are pollution problem because many plastic?

Are made from petroleum
Burn to produce toxic fumes
None of these
Are very inflammable

6. In which these processes are small organic molecules made into macromolecules?

The cracking of petroleum
The hydrolysis of proteins
The fractional distillation of crude oil
The polymerization of ethene

7. Which of these polymers is an addition polymer?

Polystyrene
Nylone-6, 6
Terylene
Epoxy resin

8. Which one of the following element is not present in all proteins?

Nitrogen
Sulphur
Hydrogen
Carbon

9. Which of these polymers is an synthetic polymer?

Starch
Animal fat
Cellulose
Polyester

10. Which of the following enzymes bring about the hydrolysis of fats?

Maltase
Urease
Zymase
Lipase

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