Substances in daily use ( class 6 )

Substances obtained from living things are called

• Abiotic

• Non-living

• Biotic

• none of the above

Substances that are not obtained from living things are called

• Biotic

• animal origin

• none of them

• Abiotic

Pick out the things of animal-origin ( you need to tick more than one options)

• Leather

• silk

• wood

• wool

Pick out the things of plant -origin ( you need to tick more than one options)

• Jute

• cotton

• wood

• silk

New substances produced by processing naturally available substances are called _____________ substance

Bamboo ,stone ,soil ,wood,coconut fronds ,lime etc are used for

• writing material

• construction

• to make clothes

• none of the them

Glass is made up of these two things ( pick out the correct choices )

• Sand

• tomatoes

• strawberries

• calcium carbonate

Changes which are permanent are called ____________

eg: ripening of mangoes

• reversible changes

• irreversible changes

• No changes

• None of the above

Natural rubber is obtained from gum or sap of trees called ----------------

• latex

• silk

• cotton

• wool

____________________of rubber is heating rubber with sulphur for three to four hours ,to give hardness to the rubber

• Vaporization

• condensation

• Vulcanization

• none of them