Related Questions

Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
A An inherited condition can cause both weak eyesight and dry eyes
B Physical exertion causes dry eyes in many people who wear contact lenses.
C Most people who have dry eyes do not wear contact lenses.
D Most people who wear contact lenses do not have dry eyes.
Perspex is nothing but
A Acrylic sheet
B An elastomer
C An alloy of lead and tin
D Aluminium foil clad with bakelite
In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
A 35
B 40
C 45
D 50
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
A 35
B 40
C 45
D 50
Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.
A Thermoplastic
B Thermosetting
C Linear
D Glass like transparent
Perspex can be used as a substitute of glass. Its monomer is
A Methyl methacrylate
B DMT
C Butadiene
D Tetrafluroethylene
Bees have compound eyes - almost 6000 tiny lenses.
A made of
B made in
C made on
D made up
Contact lenses are made from
A Teflon
B Polyvinyl chloride
C polystyrene
D Lucite
Contact lenses are worn in one's-
A cameras
B eyes
C shoes
D clothes
FIVE EYES এর সদস্য দেশ নিচের কোনটি? (Which one of the following is a member of the FIVE EYES?)
A China
B Japan
C Russia
D Newzeland

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