Questions

Q:

An ionic bond involves _____.

 

A) the sharing of a single pair of electrons B) an attraction between ions of opposite charge
C) the unequal sharing of an electron pair D) water avoidance
 
Answer & Explanation Answer: A) the sharing of a single pair of electrons

Explanation:

In ionic bonding, the atoms are bound by attraction of oppositely charged ions, whereas, in covalent bonding, atoms are bound by sharing electrons to attain stable electron configurations.

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Q:

Read each sentence to find out whether there is any error in any part

He will be(a) cured from(b) his fever(c). No error(d).

A) a B) b
C) c D) d
 
Answer & Explanation Answer: B) b

Explanation:

‘Cured’ is followed by the preposition ‘of’. Thus, the correct sentence would be, ‘He will be cured of his fever’.

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Q:

Improve the bracketed part of the sentence.

The air hostess gave me a cup (which had) coffee.

 

A) containing B) filled with
C) of D) no improvement
 
Answer & Explanation Answer: C) of

Explanation:
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Q:

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


Eight north Indian Ocean countries, namely, Bangladesh, India, the Maldives, Myanmar, Oman, Pakistan, Sri Lanka and Thailand, were asked to contribute names so that a combined list could be compiled. Each country gave eight names and a combined list of 64 names was prepared. This list is currently in use, and all cyclones arising in the north Indian Ocean are named from this list, with one name from each country being used in turn. Almost 38 or 39 names from the list have been used up, but since many cyclones dissipate long before they hit land, their names rarely figure in the papers or other media. The names that people do know about, and remember are, naturally, those that were most destructive ones, or very recent. Aila, in 2009 is remembered with a shudder for the enormous destruction it caused in West Bengal and Bangladesh; Phaillin, also for the damage it caused when it hit the Odisha coast in 2013. Two harmless cyclones, which also might remain in people’s memory, are the more recent ones of 2014 — Hudhud, which threatened the east coast of India and Nilofar, which was expected to, but did not, devastate the western coast. The names in the cyclone list are usually words one associates with storms; words which mean water or wind or lightning in various national languages. Sometimes they are names of other things — birds or flowers or precious stones. The name ‘Aila’, contributed by the Maldives means ‘fire’, the name ‘Phaillin’ from Thailand means sapphire, the name ‘Hudhud’ from Oman is the name of a bird, probably the hoopoe, and the name ‘Nilofar’, given by Pakistan, is the Urdu name of the lotus or water lily. The eight names suggested by India, and which are in the list of 64, are Agni, Akaash, Bijli, Jal, Leher, Megh, Sagar and Vayu, meaning in that order, fire, sky, lightning, water, wave, cloud, sea and wind. Five of these names (that is, up to Leher) have been used so far.


For the next cyclone if it is the turn of an Indian name to be chosen, then what will be that name?

A) Agni B) Megh
C) Leher D) Vayu
 
Answer & Explanation Answer: B) Megh

Explanation:
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Q:

Rearrange the parts of the sentence in correct order.

 

The first and decisive step

 

P : in the expansion of

Q : conquest of the Atlantic ocean

R : Europe overseas was the

 

A) RPQ B) QPR
C) PRQ D) PQR
 
Answer & Explanation Answer: C) PRQ

Explanation:
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Q:

Atmosphere of Venus mostly contains which of the following gases? 

 

A) Nitrogen  B) Hydrogen 
C) Oxygen  D) Carbon dioxide
 
Answer & Explanation Answer: D) Carbon dioxide

Explanation:
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Q:

Select the synonym of

 

haste

 

A) soon B) eventually
C) later D) never
 
Answer & Explanation Answer: A) soon

Explanation:
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Q:

Statement I :

Incised meanders are formed in the mature stage of a river.

Statement II :

Incised meanders are characterized by rejuvenation and upliftment of land.

A) Both the statements are individually true and Statement II is the correct explanation of Statement I B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
C) Statement I is true but Statement II is false D) Statement I is false but Statement II is true  
 
Answer & Explanation Answer: D) Statement I is false but Statement II is true  

Explanation:

Rejuvenation occurs when the river’s base level falls (i.e. when sea level falls). This can be a consequence of either a fall in the amount of sea water or the land rising. Incised meanders are meanders which are particularly well developed and occur when a river’s base level has fallen giving the river a large amount of vertical erosion power, allowing it to down cut. Hence, 2nd statement is correct.

There are two types of incised meanders, entrenched meanders and ingrown meanders.As they are products of rejuvenation, they are not formed in mature stage of a river

 

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