Q. Consider the following:
I. Cigarette butts
II. Eyeglass lenses
III. Car tyres
How many of them contain plastic?
(a) Only one
(b) Only two
(c) All the three
(d) None
Correct Answer: (c) All the three
Explanation:
Cigarette butts: Contain cellulose acetate, a type of plastic.
Eyeglass lenses: Most are made from polycarbonate or CR-39 plastic.
Car tyres: Contain synthetic rubber, which is a polymer (plastic-based compound).
Q. Consider the following types of vehicles:
I. Full battery electric vehicles
II. Hydrogen fuel cell vehicles
III. Fuel cell electric hybrid vehicles
How many of the above are considered as alternative powertrain vehicles?
(a) Only one
(b) Only two
(c) All the three
(d) None
Correct Answer: (c) All the three
Explanation:
All three types mentioned—
Battery Electric Vehicles (BEVs),
Hydrogen Fuel Cell Vehicles, and
Fuel Cell Electric Hybrid Vehicles
—are considered alternative powertrain vehicles because they use power sources other than conventional internal combustion engines, such as batteries or hydrogen fuel cells.
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