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The telephone was invented by---

1. A Alexander Graham Bell
2. B James Arkwright
3. C James Watt
4. D Thomas More

In which organ of the body insulin produced?

1. A Brain
2. B Kidney
3. C Liver
4. D Pancreas

Who among following invented the steam engine?

1. A James Watt
2. B Marconi
3. C Thomas Savery
4. D Wright Brothers

Which of the following is a unit of pressure?

1. A Ampere
2. B Gauss
3. C Newton
4. D Pascal

Which of the following pairs is incorrect?

1. A Faraday : Diffusion of gases
2. B Newton : Law of Gravitation
3. C Pasteur : Bacteriology
4. D Roentgen : X-ray

What is wuinine used for?

1. A Curing aids
2. B Curing malaria
3. C Curing typhoid
4. D Removing pimples

Which of the following is a main component of comon glass?

1. A marble
2. B powdered mica
3. C sand
4. D water

On which principle does the tape recorder function?

1. A All of these
2. B Boyleis law
3. C electromagnetic induction
4. D eletrovalency

A space that contains no air or any gas is known as--

1. A bubble
2. B hollow
3. C pressurized cabin
4. D vavuum

Which Vitamin do we get from sun ray?

1. A vitamin A
2. B vitamin C
3. C vitamin D
4. D vitamin E

Who discovered Uranus?

1. A Copernicus
2. B Ganleo
3. C Herschel
4. D Newton

Which of the following carries malaria?

1. A Bats
2. B Cockroaches
3. C Earthworms
4. D Mosquitoes