Questions

Q:

Which one of the following statements is not correct?

 

A) Fischer projection represents the molecule in an eclipsed conformation B) Newman projection can be represented in eclipsed, staggered and skew conformations
C) Fischer projection of the molecule is its most stable conformation D) In Sawhorse projections, the lines are inclined at an angle of 120 deg to each other.
 
Answer & Explanation Answer: C) Fischer projection of the molecule is its most stable conformation

Explanation:

Fischer projections were originally proposed for the depiction of carbohydrates and used by chemists, particularly in organic chemistry and biochemistry.A Fischer projection always uses an eclipsed conformation. A Newman diagram can represent either an eclipsed conformation or a staggered conformation or a skew conformation.

 

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Q:

Correct answer for the given blank out of the four alternatives.


The main failings were of conception and a political willingness to settle _________ easy options. _______________ the expansive declarationsof the need "to maintain effective security of all nuclear materials, _______________ includes nuclear materials used in nuclear weapons”, thesummits narrowed their _______________ to civilian holdings __________________ non­nuclear weapon states.


_______________ includes nuclear materials used in nuclear weapons”

 

A) which B) that
C) those D) who
 
Answer & Explanation Answer: A) which

Explanation:
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Q:

Select the antonym of

 

conception

 

A) clue B) cognition
C) fact D) notion
 
Answer & Explanation Answer: C) fact

Explanation:
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Q:

Rearrange the parts of the sentence in correct order.

This is where clear,

P-well-publicized editorial guidelines are
Q-precisely formulated, and
R-badly needed in Indian newsrooms

 

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

Explanation:
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Q:

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

I am senior(a) than him(b) by two years(c). No error.(d)

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

Explanation:

With certain words like, be senior to, be junior to, be superior to, be inferior to, etc. is always followed by ‘to’. Thus, the correct sentence would be, ‘I am senior to him by two years’.

 

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Q:

A plane mirror produces a magnification of

 

 

A) 0 B) +1
C) Infinity D) -1
 
Answer & Explanation Answer: B) +1

Explanation:
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Q:

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


Manja, or the glass-coated string used for flying kites, not only poses threat to humans, animals and birds but also to trees. A study by the country's oldest botanical garden has revealed that it poses a great threat to trees. But how can a snapped string struck in a tree kill the tree? Apparently, it does so by allying with the creepers in the garden.


A research paper by three scientists of the Acharya Jagdish Chandra Bose Indian Botanic Garden, located in West Bengal's Howrah district, illustrates in detail how the manja, in collusion with climbers, does the damage. "The abandoned, torn kite strings act as an excellent primary supporting platform for the tender climbers, giving easy passage to reach the top of the trees. Lateral branches from the top of the climber and other accessory branches from the ground reaches the top taking support of the first climber, completely covers the treetop, thus inhibiting the penetration of sunlight," says the research paper.


What would be the acronym for India's oldest botanical garden?

 

A) AJCBIBG B) AJCBBGI
C) AJBCIBG D) AJBCBGI
 
Answer & Explanation Answer: A) AJCBIBG

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Q:

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

The instructor's rules were simple. Breathe through your mouth, not your nose; else the mask will fog up. Easier said than done; I got it wrong many a time. But once you fought habit and got the hang of it, the panoramic underwater world revealed itself to you with high-definition clarity.

Led by him, I slowly peered through the mask into what till then was crystal-clear water, shimmering in the sunlight. I saw pebbles, sand and my fluid shadow. I was in Nemo's universe. Sea cucumbers, sea anemone, clown fish, star fish, sea horses, parrot fish, butterfly fish and a bevy of colourful salt water fish swam past. A shoal of canary-yellow fish did a merry dance and another with vibrant blue fish followed it. They were oblivious to the snorkelers who struggled to take in the sight of a world so beautiful, so colourful, and resist opening their mouth wide in amazement; the tube would fall off!

How to avoid the mask fogging up?

A) By breathing through the nose and exhaling through the mouth B) By breathing through the mouth
C) By keeping one's head under water D) By looking downwards
 
Answer & Explanation Answer: B) By breathing through the mouth

Explanation:
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