Questions

Q:

Plants synthesis protein from

A) amino acids B) starch
C) fatty acids D) sugar
 
Answer & Explanation Answer: A) amino acids

Explanation:

We know that, proteins are polymers of amino acids. So, plants are also used to synthesise protein from amino acids. Hence, plants synthesis protein from amino acids in the presence of ATP by specific synthetases.

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Q:

What is the conjugate base of H2O?

A) NH3+ B) OH-
C) H2O D) All the above
 
Answer & Explanation Answer: B) OH-

Explanation:

A conjugate acid, is a species formed by the reception of a proton (H+) by a base—in other words, it is a base with a hydrogen ion added to it.

On the other hand, a conjugate base is what is left over after an acid has donated a proton during a chemical reaction. Hence, a conjugate base is a species formed by the removal of a proton from an acid.

Because some acids are capable of releasing multiple protons, the conjugate base of an acid may itself be acidic.

Represented as the following chemical reaction:

Acid + Base ⇌ Conjugate Base + Conjugate Acid

 

The water molecule is the conjugate acid of the hydroxide ion after the latter received the hydrogen proton donated by ammonium. On the other hand, ammonia is the conjugate base for the acid ammonium after ammonium has donated a hydrogen ion towards the production of the water molecule. We can also refer to OH- as a conjugate base of H2O, since the water molecule donates a proton towards the production of NH+4 in the reverse reaction, which is the predominating process in nature due to the strength of the base NH3 over the hydroxide ion.

 

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Q:

Rearrange the parts of the sentence in correct order.

 

Over population of humans is

 

P : the biggest factor behind so

Q : many social, sustainable and environmental

R : issues all over the world

 

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

Explanation:
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Q:

Expanded form of the term LIBOR is: _____________.

 

A) London Inter-Bank Offered Rate B) London Inter-Bank Operational Rate
C) London Inter-Bank Offsite Rate D) London Inter-Bank Onsite Rate
 
Answer & Explanation Answer: A) London Inter-Bank Offered Rate

Explanation:
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Q:

The freezing point of water at 760mm pressure is

A) 0 K B) 273 K
C) 273 C D) -273 C
 
Answer & Explanation Answer: B) 273 K

Explanation:

K is degree kelvin

Zero K corresponds to -273  K = C + 273

The freezing point of water being 0 C, on the kelvin scale it is 0 C + 273 K

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Q:

Who was the exponent of Yog Darshana?

 

A) Kapil   B) Gautam  
C) Patanjali D) Jamini
 
Answer & Explanation Answer: C) Patanjali

Explanation:
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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:

The term biodiversity refers to

A) Range of genetic variation within a population B) Total number of different species within a habitat
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it.

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