Questions

Q:

Which of the following statements best describes nutrient density?

A) Consume a variety of foods from MyPyramid's ±ve major food groups every day. B) Consume foods that have the most nutrition for their kcalories
C) Choose a number of diFerent foods within any given food group rather than the same old thing. D) All the above
 
Answer & Explanation Answer: B) Consume foods that have the most nutrition for their kcalories

Explanation:

Consume foods that have the most nutrition for their kcalories describes the Nutrient Density.

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Q:

The gap between two communicating neurons is termed

A) Schwann cell B) Effector
C) Synaptic cleft D) Cell body
 
Answer & Explanation Answer: C) Synaptic cleft

Explanation:

A neuron or nerve cell is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon. Dendrites and axons are nerve fibres.

 

The gap between two communicating neurons is termed Synaptic cleft.

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Q:

A song always has

A) Musician B) Tymbal
C) Word D) Chorus
 
Answer & Explanation Answer: C) Word

Explanation:

Without a word in it, it can't be called as song.

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Q:

Solid Carbon dioxide is known as

A) Wet Ice B) Dry Ice
C) Solid Ice D) None
 
Answer & Explanation Answer: B) Dry Ice

Explanation:

Dry ice or Cardice is the solid form of Carbon dioxide.

 

1. It has an advantage of lower temperature than the water ice and doesn't leave any residue.

 

2. The reason why it is called as Dry ice is because unlike the normal ice, it won't melt into liquid form. It directly evaporates into the air as gas. That is Solid to gas form passing through liquid state is a phenomenon called as Sublimation.

 

3. The primary use of dry ice is as cooling agent.

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Q:

Which is the longest railway platform in the world?

A) Mumbai B) Gorakhpur
C) Thane D) Kochi
 
Answer & Explanation Answer: B) Gorakhpur

Explanation:

Gorakhpur railway platform in Uttar Pradesh is the longest railway platform in the world.

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Q:

What is pre-emptive and non-preemptive scheduling?

Answer

Preemptive scheduling: The preemptive scheduling is prioritized. The highest priority process should always be the process that is currently utilized.


Non-Preemptive scheduling: When a process enters the state of running, the state of that process is not deleted from the scheduler until it finishes its service time.

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Q:

Which elements are malleable and good conductors of electricity?

A) tin and silver B) iodine and silver
C) tin and xenon D) iodine and xenon
 
Answer & Explanation Answer: A) tin and silver

Explanation:

Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.

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Q:

At the center of the sun, fusion converts hydrogen into

A) Helium B) Plutonium
C) Water D) Carbon
 
Answer & Explanation Answer: A) Helium

Explanation:

At the center of the sun, nuclear fusion converts hydrogen into helium, energy, and neutrinos. Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons).

At_the_center_of_the_sun,_fusion_converts_hydrogen_into1558676073.jpg image

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