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Q:

Which of the following is not an allotrope of carbon?

A) Diamond B) Graphene
C) Ethylene D) Buckminsterfullerene
 
Answer & Explanation Answer: C) Ethylene

Explanation:

Allotropes are different structural modifications of an element, that is, each of two or more different physical forms in which an element can exist.

 

Carbon is capable of forming many allotropes due to its valency. Well-known forms of carbon include charcoal, diamond, graphite, buckminsterfullerene and graphene.

 

Hence, Ethylene is not an allotrope of Carbon.

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Filed Under: Chemistry
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Q:

Anaerobic glycolysis occurs without

A) water B) glucose
C) oxygen D) All of the above
 
Answer & Explanation Answer: C) oxygen

Explanation:

Anaerobic glycolysis is the transformation of glucose to lactate when limited amounts of oxygen (O2) are available. 

 

Hence, Anaerobic glycolysis occurs without oxygen.

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Filed Under: Chemistry
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Q:

The primary goal of conservation biology is to

A) counter the loss of biodiversity B) estimate the total number of species that exist
C) integrate human culture back into nature D) catalogue species
 
Answer & Explanation Answer: A) counter the loss of biodiversity

Explanation:
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Filed Under: Biology
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Q:

Which one of the following functions is not carried out by smooth endoplasmic reticulum?

A) Transport of materials B) Synthesis of lipid
C) Synthesis of protein D) Synthesis of steroid hormone
 
Answer & Explanation Answer: C) Synthesis of protein

Explanation:

Smooth Endoplasmic Reticulumdoes not contain ribosomes on its surface for which it is regarded as smooth. So, proteins cannotbe synthesised by SER provided protein synthesis is the primary task of ribosomes.

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

The greater is the marginal propensity to consume, the

A) lower is the price level B) smaller is the marginal propensity to save
C) lower is the average propensity to consume D) higher is the interest rate
 
Answer & Explanation Answer: B) smaller is the marginal propensity to save

Explanation:
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Filed Under: Indian Economy
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Q:

Improve the bracketed part of the sentence.
I (have done) my exercises when keshav came to see me.

A) had done B) done
C) doing D) No improvement
 
Answer & Explanation Answer: A) had done

Explanation:
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Filed Under: English

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Q:

When is international day for the Elimination of violence against women , recognized by the UN is observed?

A) December 11 B) July 11
C) November 25 D) August 9
 
Answer & Explanation Answer: C) November 25

Explanation:
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Filed Under: Important Days and Years

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Q:

Give the truth table for a Half Adder. Give a gate level Implementation of the same.

Answer

TRUTH TABLE FOR HALF ADDER


A    B  SUM  CARRY


0    0    0         0


0    1    1         0


1    0    1         0


1    1    0         1


INPLEMENTATION:


For SUM, The two inputs A and B are given to XOR gate.


For Carry, The two inputs A and B are given to AND gate.

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Subject: Hardware

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