Questions

Q:

In isotopes the number of neutrons are

A) same B) different
C) both D) none
 
Answer & Explanation Answer: B) different

Explanation:
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Filed Under: Chemistry

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Q:

RADAR is used for

A) detecting and locating the position of objects such as Aeroplanes B) locating submerged submarines
C) locating geostationary satellites D) receiving a signals in a radio receiver
 
Answer & Explanation Answer: A) detecting and locating the position of objects such as Aeroplanes

Explanation:

RADAR - RAdio Detection And Ranging.

A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. 

 

Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.

 

Radio waves from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.

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Q:

What is the political party of the president now?

A) BJP B) INC
C) BSP D) NCP
 
Answer & Explanation Answer: A) BJP

Explanation:

Ram Nath Kovind, the present President of India is from BJP, Bharatiya Janata Party.

The president of the Republic India is the head of state of India. He is also the commander-in-chief of Indian Armed Forces. He is indirectly elected by the people through members of both houses of the parliament of India, legislative assemblies of all the states of India, the legislative assembly of the Union

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Q:

An Oracle System Change Number (SCN):

A) is a value that is incremented whenever a dirty read occurs. B) is incremented whenever a deadlock occurs.
C) is a value that keeps track of explicit locks. D) is a value that is incremented whenever database changes are made.
 
Answer & Explanation Answer: D) is a value that is incremented whenever database changes are made.

Explanation:
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Q:

All atoms of uranium have the same

A) Atomic mass B) Number of electrons
C) Atomic number D) Mass number
 
Answer & Explanation Answer: C) Atomic number

Explanation:

There are many isotopes of uranium and all of them have same atomic number i.e, sum of nmber of neutrons and protons.

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Q:

Which of the following is an example of representative money?

A) Salt B) A tract of land
C) Gold D) A check
 
Answer & Explanation Answer: D) A check

Explanation:

Representative money is an item such as a token or piece of paper that has no intrinsic value but can be exchanged on demand for a commodity that does have intrinsic value, such as gold, silver, copper,...

 

Hence, a Check is an example of representative money.

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Q:

The NADPH required for the calvin cycle comes from

A) Reactions initiated in photosystem 1 B) Citric acid cycle
C) Reactions initiated in photosystem 2 D) Glycolysis
 
Answer & Explanation Answer: C) Reactions initiated in photosystem 2

Explanation:

ATP and NADPH produced by the light reactions are used in the Calvin cycle to reduce carbon dioxide to sugar. The Calvin cycle is similar to the Krebs cycle in that the starting material is regenerated by the end of the cycle.

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Q:

Which Bank has become the first bank in India to launch DigiPOS, a Point of Sale (POS) machine ?

A) Yes Bank B) HDFC Bank
C) ICICI Bank D) SBI
 
Answer & Explanation Answer: B) HDFC Bank

Explanation:
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