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WorksheetsSynthetic Fibres and Plastics and Crop Production
Total questions: 10
Worksheet time: 5mins
Atul was climbing mountain and he wondered about the strength of rope in his hand which was stronger than a steel wire. This rope would have been made up of:
Polyester
Nylon
Rayon
Cotton
Nylon is obtained by
Treatment of wood pulp.
Mixing coal, air and water.
Solidifying water.
Mixing acids and bases.
The first synthetic fibre formed from a natural material wood pulp is
acrylic
rayon
nylon
polyester
Select 2 polyester fibres
Polythene
PET
Terylene
Melamine
Name the plastic used for making water pipes
Polythene
PVC
Acrylic
Bakelite
What is a crop?
A house plant
A cultivated plant that is grown on a large scale
A succulent
None of the above
IDENTIFY THE PLOUGH FROM THE FOLLOWING FIGURES
WHICH OF THE FOLLOWING CROP GROWS IN WINTER?
PEA
PADDY
MAIZE
SOYABEAN
OUT OF FERTILIZER AND MANURE WHICH ONE IS EASILY ABSORBED BY THE ROOTS ?
FERTILIZER
MANURE
BOTH MANURE AND FERTILIZER
NONE OF THESE
WHEN YOU WILL PUT SEEDS IN WATER ,WHAT IS TRUE ABOUT DAMAGED SEEDS?
THEY WILL SINK
THEY WILL FLOAT
THEY ARE HEAVIER
ALL OF THESE
