Question 1

Newspaper can be recycled again and again by how many times?

Accepted Answer

5

Answer

4

Answer

3

Answer

2

Question 2

Ecosystem is smaller unit of

Accepted Answer

Biosphere

Answer

Atmosphere

Answer

Lithosphere

Answer

Hydrosphere

Question 3

Which one of the following elements is not present in all proteins?

Accepted Answer

Sulphur

Answer

Hydrogen

Answer

Nitrogen

Answer

Carbon

Question 4

Ethanol can be converted into ethanoic acid by

Accepted Answer

Oxidation

Answer

Hydration

Answer

Fermentation

Answer

Hydrogenation

Question 5

Which of the following is not product of destructive distillation of coal

Accepted Answer

Crude oil

Answer

Coal tar

Answer

Coal gas

Answer

Coke

Question 6

Which one of the following is not a nucleophile?

Accepted Answer

BF3

Answer

H2O

Answer

H2S

Answer

NH3

Question 7

The pH of acid rain is

Accepted Answer

Less than 5

Answer

7.0 – 8

Answer

6.0 – 6.5

Answer

5 – 6

Question 8

Which of the following is a fatty acid?

Accepted Answer

Succinic Acid

Answer

Oxalic Acid

Answer

Ethanoic Acid

Answer

Phthalic Acid

Question 9

Which of the following is not a Bio-Polymer?

Accepted Answer

Plastic

Answer

Proteins

Answer

Fats

Answer

Lipids

Question 10

Which of the following reagents will react with both aldehyde and ketones?

Accepted Answer

Tollen’ reagent

Answer

Benedict’ reagent

Answer

Fehling reagent

Answer

Grignard Reagent

Question 11

Ethyl alcohol may be identified by the

Accepted Answer

Iodoform Test

Answer

Bayer Test

Answer

Chloroform Test

Answer

Flame Test

Question 12

Micro nutrients are required in quantity ranging from

Accepted Answer

6-200g

Answer

4-40kg

Answer

4-40g

Answer

6-200kg

Question 13

In which of the compounds, the benzene rings are isolated?

Accepted Answer

Diphenyl methane

Answer

Naphthalene

Answer

Anthracene

Answer

Phenenthrene

Question 14

Nylon 6,6 is obtained by the reaction of hexamethylenediamine with

Accepted Answer

Adipic Acid

Answer

Acetic Acid

Answer

None

Answer

Vinyl chloride

Question 15

Suffocation can be caused by inhaling

Accepted Answer

CO

Answer

SO2

Answer

N2

Answer

CO2

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