Questions

Q:

Materials that usually are good conductors of electricity?

A) Aluminium B) Lead
C) Nickel D) Wood
 
Answer & Explanation Answer: A) Aluminium

Explanation:

Materials that usually allow electricity to pass through them are called Good conductors of electricity.


Conductors conduct electrical current very easily because of their free electrons.

Examples are :: Aluminium, Gold, Copper, Silver

 

Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.

Examples are :: Glass, Plastic, Wood, Air,...

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Q:

Which nutrients provide energy?

A) Carbohydrates B) Proteins
C) Vitamins D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The nutrients that provide energy are carbohydrates, proteins and vitamins. The other three nutrients--vitamins, minerals, and water do not provide energy.

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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.

Another marvel on the far side of the lake was a little farm that felt like a secret in the city. Some of the gaunt Karnataka labourers even looked away when children came to dig and eat. But the greatest pleasure, this side of the lake, was the jamun tree. A few months back, Kalu and Sunil had a feast in the branches, shaking down a few berries for Mirchi.

That's when they came to know the second-coolest thing about the jamun tree : There were parrots nesting in it. Since then, some other road boys had been capturing the parrots one by one to sell at the Marol Market, but Sunil had brought Kalu around to the belief that the birds should be left as they were. Sunil listened for their squawks each morning, to make sure they hadn't been abducted in the night.

Kalu's expertise was in the recycling bins inside airline catering compounds. Private waste collectors emptied these dumpsters on a regular basis, but Kalu had mastered the trash truck's schedules. The night before pickup, Kalu would climb over the barbed-wire fences and raid the overflowing bins.

Kalu's routine had become known by the local police, however. He kept getting caught, until some constables proposed a different arrangement. Kalu could keep his metal scrap if he'd pass on information he picked up on the road about local drug dealers.


What did Sunil think of parrots?

A) That they should be captured and sold. B) That they had been abducted in the night.
C) That they should not be captured and sold. D) That they squawked every morning.
 
Answer & Explanation Answer: C) That they should not be captured and sold.

Explanation:
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Q:

What is the difference between the following declarations?

extern int fun();

int fun();

Answer

There is no difference except for the fact that the first one gives a hint that the function fun() is probably in another source file.

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Subject: Programming

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Q:

The epic, Silappadikaram refers to the 

A) story of Rama B) Jaina elements in the storyline
C) culture of Sri Lankan Buddhists D) cult of Shakti worship
 
Answer & Explanation Answer: B) Jaina elements in the storyline

Explanation:

Silappadikaram is one of The Five Great Epics of Tamil Literature. Epic revolves around Kannagi, who having lost her husband to a miscarriage of justice at the court of the Pandyan Dynasty, wreaks her revenge on his kingdom.

 

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Q:

The name of ancient Egyptian script is ________

A) Cuneiform B) Hieroglyphic
C) Demotic D) There was no script
 
Answer & Explanation Answer: B) Hieroglyphic

Explanation:

The Egyptian scripts is known as Hieroglyphic which means 'sacred writing' . It consisted of 24 signs, each of which stood for a single consonant. Vowels were not written. Later the Egyptian started using symbols for ideas and the total number of signs rose to about 500. The writers, who constituted an important section of society , wrote with reed pens on the leaves of a plant called 'Papyrus' from which we get the word 'paper'.

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Q:

Human gametes are produced by

A) Mitosis B) Meiosis
C) Replication D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

In humans all reproduction is sexual. It involves joining together haploid gamete cells from each parent with half the normal number of chromosomes to make a new cell containing both parents' genetic material. This is a diploid zygote. The cells from each parent that combine to form the zygote are called gametes.

 

Meiosis produces haploid gametes from a diploid parental cell.

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Q:

Which of the following processes would release energy?

A) Condensation B) Fermentation
C) Evaporation D) None of the above
 
Answer & Explanation Answer: A) Condensation

Explanation:
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