With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements : 1. Its fibres can be blended with wool and cotton fibres to reinforce their properties. 2. Containers made of it can be used to store any alcoholic beverage. 3. Bottles made of it can be recycled into other products. 4. Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions. Which of the statements given above are correct?

Light weight bullet proof helmets and jackets use which of the following fibres for their production ?

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres. How many of them contain plastic?

When hot water is placed into an empty water bottle, the bottle keeps its shape and does not soften. What type of plastic is the water bottle made from?

At which stage in its life cycle, does the silkworm yield the fibre of commerce?

Match List–I with List–II : List—I (Cloth) a. Linen b. Coir c. Mohair d. Down List—II (Origin) 1. Coconut plant 2. Flax plant 3. Feathers of duck and geese 4. Angora goat