Questions

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.


Ants have been living on the earth for more than 100 million years and can be found almost anywhere on the planet. It is estimated that there are about 20000 different species of ants. For this reason ants have been called Earth's most successful species. If you watch ants for any length of time you will see that they really do communicate with each other and very effectively too. Ants communicate by touching each other with their antennae. Ants also use chemicals called pheromones to leave scent trails for other ants to follow. Ants build many different types of homes. Many ants build simple little mounds out of dirt or sand. Other ants use small sticks mixed with dirt and sand to make a stronger mound that offers protection from rain. Western Harvester ants make a small mound on top, but then tunnels up to 15 feet straight down to hibernate during winter. Ant mounds consist of many chambers connected by tunnels. Different chambers are used for nurseries, food storage, and resting places for the worker ants. Some ants live in wood like termites. Army ants don't make a home at all but travel in a large groups searching for food. Ants are social insects which means they live in large colonies or groups. Some colonies consist of millions of ants. There are three types of ants in each species, the queen, the sterile female workers and males. The male ants only serve one purpose, to mate with future queen ants and do not live very long. The queen grows to adulthood, mates, and then spends rest of her life laying eggs. A colony may have only one queen, or there may be many queens depending on the species. Ants go through four stages of development: egg, larva, pupa and adult.

 

What kind of homes do the army of ants build ?

A) Simple little mounds made out of dirt or sand B) Stronger mounds of small sticks mixed with dirt and sand
C) Small mounds on top but with tunnels upto 15 feet below D) They do not make homes but travel in search of food
 
Answer & Explanation Answer: D) They do not make homes but travel in search of food

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Q:

When the demand for a good increases with an increase in income, such a good is called_______

A) Superior good B) Giffin good
C) Inferior good D) Normal good
 
Answer & Explanation Answer: A) Superior good

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Q:

Read each sentence to find out whether there is any error in any underlined part and indicate your response in the Answer Sheet against the corresponding letter i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d).

A) All of them B) speak
C) good english D) No error
 
Answer & Explanation Answer: C) good english

Explanation:

The error is in third part. Replace ‘good’ with ‘correct’. English is not good or bad, but it can be correct or incorrect. We can also say ‘All of them speak English well’, or ‘All of them speak fluent English’. The error remains in part c.

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Q:

In the given question, a statement divided into different segments is given. The first segment is fixed, rearrange the other segments to form a coherent statement.

The federation was keen on maintaining an/ exclusive membership profile and thus introduced (P)/ segregational policies adopted by premier organizations (Q)/ an invite- only policy for the new entrants (R)/ causing a sudden outcry against the (S)

A) PRSQ B) SRPQ
C) PQRS D) QSRP
 
Answer & Explanation Answer: A) PRSQ

Explanation:

'an' at the end of the first fixed segment indicates that Q, R and S can't follow the first segment. This leaves us with only one choice i.e. P. This eliminates options 2, 4, and 5.

There are only two such options: option A1and 3. Option 3 can be eliminated since part S ends with 'the' which can't be used as the end of the master statement. Hence, the correct sequence is PRSQ

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Q:

In which state is Koyna dam located?

A) Madhya Pradesh B) Rajasthan
C) Maharashtra D) Gujarat
 
Answer & Explanation Answer: C) Maharashtra

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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

I said to my friends, "let us go to a picnic for a change".

A) I asked my friends if they would go to a picnic for a change. B) I asked my friends to go to a picnic for a change.
C)  I permitted my friends to go to a picnic for a change. D) I suggested to my friends that we should go to a picnic for a change.
 
Answer & Explanation Answer: D) I suggested to my friends that we should go to a picnic for a change.

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Q:

Which of the following is false?

A) Hydrogen atom is roughly a third of the mass of tritium B) Deuterium is called heavy hydrogen
C) Deuterium atom has 1 neutron D) Protium is the rarest isotope of hydrogen
 
Answer & Explanation Answer: D) Protium is the rarest isotope of hydrogen

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Filed Under: Chemistry
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Q:

The maximum number of electrons that can be accommodated in a shell is indicated by the formula

A) 2n-2 B) 2n3
C) 2n D) 2n2
 
Answer & Explanation Answer: D) 2n2

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