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Class VIII >> Science >> Synthetic Fibres and Plastics >> A1

Q1	Substances that cannot be decomposed by natural process are called __________.
A	Biodegradable
B	Non-Biodegradable
C	Thermoplastics
D	Plastics

Q2	Which of the following is a polymer?
A	Polyester
B	Plastic
C	Cotton
D	All of the Above

Q3	Which of these fabrics is produced from coal, water and air?
A	Nylon
B	Rayon
C	Polyester
D	Cotton

Q4	The raw materials used for the preparation of synthetic fibres are originated from __________.
A	Animals
B	Petrochemicals
C	Plants
D	None of the Above

Q5	Which of the following is NOT an example of blended fibres?
A	Polycot
B	Polyester
C	Polywool
D	Terrycot

Q6	_________ is also known as artificial silk.
A	Acrylic
B	Nylon
C	Rayon
D	Spandex

Q7	Thermoplastic cannot be easily __________.
A	Recycled
B	Decomposed
C	Melted
D	Moulded

Q8	Plastic is a poor conductor of _______.
A	Heat
B	Electricity
C	Both of the Above
D	None of the Above

Q9	Fibres that are made by human beings are known as _______.
A	Plant Fibres
B	Natural Fibres
C	Synthetic Fibres
D	Animal Fibres

Q10	Ester' is the chemical that is used to make ________.
A	Rayon
B	Polyester
C	Nylon
D	Jute

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