Std-6Th Sub-Science L No. 6

Front 1

Natural substances

Back 1

substance produced by a living organism

Front 2

Animal origin

Back 2

which are obtained from animals.

Front 3

Perishable

Back 3

likely to decay

Front 4

Plant origin

Back 4

which are obtained from plants.

Front 5

Vulcanization

Back 5

process for hardening rubbers.

Front 6

Innumerable

Back 6

too many to becounted.

Front 7

Synthetic silk

Back 7

artificial silk

Front 8

Hydrocarbons

Back 8

a compound of hydrogen and carbon.

Front 9

delicate

Back 9

requiring careful handling

Front 10

repellant

Back 10

serving or tending to drive away or ward off—often used in combination

Front 11

Poultry

Back 11

domestication of birds kept for eggs or meat

Front 12

Abundance

Back 12

large amount of things available

Front 13

Fungus

Back 13

microorganism grown on

Front 14

Favourable

Back 14

beneficial condition

Front 15

Diarrhea

Back 15

intestinal disease like loose motion

Front 16

manufacturing

Back 16

raw materials made by hand or machinery.

Front 17

fibres

Back 17

a thread or filament

Front 18

cellulose

Back 18

constituent of plantcell walls and vegetable fibres.

Front 19

sparingly

Back 19

not fully dissolved.