Questions

Q:

Electrical Pressure is also called

A) Current B) Voltage
C) Resistance D) Power
 
Answer & Explanation Answer: B) Voltage

Explanation:

Electrical Pressure is also called as Voltage. Voltage is measured in Volts.

 

Volt : A unit of electrical pressure or Voltage is called Volt.

 

One volt is the amount of pressure required to cause one ampere of current to flow against one ohm of resistance.

 

Voltage is also referred to as Electromotive Force or Electrical Potential or Electrical Pressure.

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Filed Under: Physics
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Q:

How many states in India are coastal

A) 7 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: C) 9

Explanation:
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Filed Under: Indian Geography

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Q:

The hormone that helps in the implantation of embryo

A) Testosterone B) Insulin
C) Prolactin D) Progesterone
 
Answer & Explanation Answer: D) Progesterone

Explanation:
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Filed Under: Biology

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Q:

The Kinetic energy of gas molecules

A) is unaffected by temperature variations B) decreases with increase of temperature
C) increases with decrease of temperature D) increases with increase of temperature
 
Answer & Explanation Answer: D) increases with increase of temperature

Explanation:

Kinetic Energy K.E = 12mV2  or 

K.E V2, Where 'm' is the mass and 'v' is the velocity of molecules.

 

Velocity is proportional to temperature. Hence, KE is proportional to temperature and would increase with temperature.

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Filed Under: Chemistry
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Q:

A machine powered by rotating blades is a

A) Fumerole B) Turbines
C) Solar panel D) None of the above
 
Answer & Explanation Answer: B) Turbines

Explanation:

Turbines are machines powered by rotating blades.

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Q:

In any State of India , Legislative Council can be created or abolished :

A) By the Parliament B) By the president on the recommendation of the Governor of the State
C) By the Governor on the recommendation of the Council of Ministers D) By the Parliament as per resolution passed by the Legislative Assembly of the State
 
Answer & Explanation Answer: D) By the Parliament as per resolution passed by the Legislative Assembly of the State

Explanation:
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Filed Under: Indian Politics

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Q:

The grouping of blood is based on substances called 

A) antibodies B) antigens
C) antitoxin D) enzymes
 
Answer & Explanation Answer: B) antigens

Explanation:

The red blood corpuscles  or erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles.

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Q:

When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as 

A) doppler effect B) beats
C) resonance D) echo
 
Answer & Explanation Answer: B) beats

Explanation:

Beats means the periodic increase and decrease in loudness heard when two notes of nearly the same frequency are sounded simultaneously.

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