In each of the following questions, there is a certain relationship between two given words on one side of : : and one word is given on another side of : : while another word is to be found from the given alternatives, having the same relation with this word as the words of the given pair bear.Choose the correct alternatives.
Clock : Time : : Thermometer : ?
Answer: D
Correct answer: Temperature
The relation is instrument : the quantity it measures. A clock measures time; a thermometer measures temperature. Heat and energy are related quantities but they are not what the scale of a thermometer reads.
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Influenza : Virus : : Typhoid : ?
Answer: D
Correct answer: Bacteria
The relation is disease : the kind of organism that causes it. Influenza is caused by a virus; typhoid by a bacterium, Salmonella typhi. Protozoa cause malaria and amoebiasis, not typhoid.
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Fear : Threat :: Anger : ?
Answer: C
Correct answer: Provocation
The relation is emotion : what arouses it. Fear is aroused by a threat; anger by a provocation. Panic is a stronger form of fear rather than its cause, and compulsion and force describe pressure rather than what makes one angry.
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Melt : Liquid : : Freeze : ?
Answer: C
Correct answer: Solid
The relation is process : the state it produces. Melting turns a substance into a liquid; freezing turns it into a solid. Ice is one particular solid rather than the state itself, and condensation produces a liquid from a gas.
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Paw : Cat : : Hoof : ?
Answer: A
Correct answer: Horse
The relation is foot : the animal that has it. A cat has a paw; a horse has a hoof. A lion also has paws, and while lambs and elephants have hooves and pads respectively, the horse is the standard match for the hoof.
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Eye : Myopia : : Teeth : ?
Answer: A
Correct answer: Pyorrhoea
The relation is organ : a disease of it. Myopia is a disorder of the eye; pyorrhoea is a disease of the gums and teeth. Cataract and trachoma also affect the eye, and eczema the skin.
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Tractor : Trailer : : Horse : ?
Answer: B
Correct answer: Cart
The relation is puller : what it draws. A tractor draws a trailer; a horse draws a cart. A stable houses the horse and a saddle is worn by it; neither is drawn behind it.
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Water : Convection : : Space : ?
Answer: D
Correct answer: Radiation
The relation is medium : how heat travels through it. In water, heat moves chiefly by convection, the bulk motion of the fluid; through the vacuum of space no matter is available, so heat travels only by radiation. Conduction also needs matter.
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Odometer : Mileage : : Compass : ?
Answer: D
Correct answer: Direction
The relation is instrument : what it indicates. An odometer records mileage; a compass shows direction. The needle is part of the compass rather than what it tells you.
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Pen : Poet : : Needle : ?
Answer: D
Correct answer: Tailor
The relation is tool : the one who uses it. The pen is the poet’s instrument; the needle is the tailor’s. Thread and buttons are materials, and sewing is the activity rather than the person.
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