Questions

Q:

Isotopes are atoms of the same element that have different

A) numbers of neutrons B) numbers of electrons
C) numbers of protons D) atomic numbers
 
Answer & Explanation Answer: A) numbers of neutrons

Explanation:

Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.

 

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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

It's nothing short of a revolution in how we eat, and it's getting closer every day. Yes, a lot of people are obese, and yes, the definition of "healthy eating" seems to change all the time. But in labs and research centres around the world, scientists are racing to match our genes and our taste buds, creating the perfect diet for each of us, a diet that will fight disease, increase longevity, boost physical and mental performance, and taste great to boot. As food scientist J.Bruce German says, "The foods we like the most will be the most healthy for us."

Is that going to be a great day, or what?

All this will come to pass, thanks to genomics, the science that maps and describes an individual's genetic code. In the future, personalized DNA chips will allow us to assess our own inherited predispositions for certain diseases, then adjust our diets accordingly. So, if you're at risk for heart disease, you won't just go on a generic low-fat diet. You'll eat foods with just the right amount and type of fat that's best for you. You'll even be able to track your metabolism day-to-day to determine what foods you should eat at any given time, for any given activity. "Since people differ in their genetics and metabolism, one diet won't fit all," says German. As complex as all this sounds, it could turn out to be relatively simple.

What does J. Bruce German say?

A) The food we like is not healthy for us B) The food we like is the healthiest one for us
C) The most healthy food should be liked by us D) Food scientists like healthy food
 
Answer & Explanation Answer: B) The food we like is the healthiest one for us

Explanation:
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Q:

The operating system creates _ from the physical computer.

A) Virtual device B) Virtual space
C) Virtual computer D) All of the above
 
Answer & Explanation Answer: C) Virtual computer

Explanation:
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Q:

Which state has launched 'Ama Ghare LED' scheme?

A) Odisha B) Maharashtra
C) Gujarat D) Uttar Pradesh
 
Answer & Explanation Answer: A) Odisha

Explanation:

'Ama Ghare LED' scheme was launched in Odisha state.

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Q:

The odometer guage indicates

A) the distance travelled by a vehicle B) the depth of the ocean
C) pitch length D) frequency of the wave
 
Answer & Explanation Answer: A) the distance travelled by a vehicle

Explanation:

The odometer or the odograph is an instrument used to indicate the distance travelled by the vehicle.

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Q:

The first two steps in the lithification process are

A) Cementation and Proposal B) Compaction and Ratification
C) Compaction and Cementation D) Ratification and Cementation
 
Answer & Explanation Answer: C) Compaction and Cementation

Explanation:

The first two steps in the lithification process are Compaction and Cementation.

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Q:

In a concentrated solution there is

A) no solute B) a large amount of solvent
C) no solvent D) a large amount of solute
 
Answer & Explanation Answer: D) a large amount of solute

Explanation:

In a concentrated solution there is a large amount of solute.

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Q:

The law of increasing opportunity costs states that

A) along a production possibilites curve, increases in the production of one good make the production of that good easier and easier B) increases in wages cause increases in the costs of production
C) costs of production increases and then decreases D) along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good
 
Answer & Explanation Answer: D) along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good

Explanation:

Opportunity cost is the cost of other alternative choices for making your interested choice of work. Oppurtunity cost is also called as alternative cost.

For example on a holiday, you have two choices to do, either you can go to movie or a function. And if you chose to go to moavie, the oppurtunity cost of going to movie is the value that would have gotten if you had gone to function.

 

The law of increasing opportunity costs states that as you increase production of one good, the opportunity cost to produce an additional good will increase.

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