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Q:

What device converts light energy to electrical energy?

A) Photodiode B) Photovoltaic cell
C) Thermocouple D) Heliostats
 
Answer & Explanation Answer: B) Photovoltaic cell

Explanation:

what_device_converts_light_energy_to_electrical_energy1555397376.png image

 

A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.

 

Heliostats convert light energy into heat energy.

 

A thermocouple is a device for measuring temperature.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

Which one of the following laws explain the formation of carbon monoxide and carbon dioxide from carbon and oxygen

A) Laws of conservation of mass B) Laws of multiple proportion
C) Laws of reciprocal proportions D) Law of definite proportions
 
Answer & Explanation Answer: B) Laws of multiple proportion

Explanation:
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Filed Under: Chemistry

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Q:

Which country has built the world's largest amphibian aircraft ?

A) Japan B) Russia
C) China D) India
 
Answer & Explanation Answer: C) China

Explanation:

China's amphibian aircraft, which is stated to be the world's largest, has successfully passed engine tests and is expected to make its maiden flight in the first half of the year 2017.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

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Q:

Typewriter was invented by

A) Shockley B) Sholes
C) Howe D) None of these
 
Answer & Explanation Answer: B) Sholes

Explanation:
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Filed Under: Inventions

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Q:

Who was the first Mughal Emperor to acquire Koh-i-nur diamond?

A) Humayun B) Akbar
C) Jahangir D) Shah Jehan
 
Answer & Explanation Answer: A) Humayun

Explanation:
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Filed Under: Indian History

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Q:

Oscar Awards are conferred annually by

A) Academy of Motion Pictures, arts and sciences, USA B) Hollywood Foreign Press Association
C) Government of United States D) None
 
Answer & Explanation Answer: A) Academy of Motion Pictures, arts and sciences, USA

Explanation:
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Filed Under: Honours and Awards
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

' A Valley of ten thousand smokes' is the name given to a zone near the volcano

A) Mauna loa of Hawaie B) Pinatabu of Philippines
C) Pelle in the Caribbean sea D) Katmai of Alaska
 
Answer & Explanation Answer: D) Katmai of Alaska

Explanation:
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Filed Under: World Geography

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Q:

The enzyme that is necessary to bring about clotting of blood is 

A) peptidase B) amylase
C) lipase D) thrombokinase
 
Answer & Explanation Answer: D) thrombokinase

Explanation:

The clotting of blood is a chain reaction initiated by the enzyme thrombokinase produced by the platelets. This causes prothrombin to be converted into thrombin in the presence of Ca++ion.

Thrombin combines with fibrinogen  to produce fibrin threads which entangles the corpuscles to form the clot.

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Filed Under: Biology
Exam Prep: AIEEE , GATE

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