Questions

Q:

Who discovered the monomers of nucleic acids?

A) James Watson, Francis Crick, and Rosalind Franklin B) Friedrich Miescher
C) Phoebus Levene D) Gerardus Johannes Mulder and Jöns Jacob Berxelius
 
Answer & Explanation Answer: C) Phoebus Levene

Explanation:

Deoxyribonucleic acid (DNA) is a nucleic acid polymer composed of monomers called nucleotides. Nucleotides are composed of three components: (1) a pentose sugar; (2) a nitrogenous base; and (3) one to three phosphate groups.

Phoebus Levene, a Russian biochemist was the first to discover the nucleotide and the first to correctly identify the way nucleic acid molecules, DNA.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

Who will be the chief guest of the opening ceremony of United Nation Vesak Day celebration to be held at Colombo, Sri Lanka between 12 May and 14 May ?

A) Bidhya Devi Bhandari B) Sheikh Hasina
C) Wijeyadasa Rajapakshe D) Narendra Modi
 
Answer & Explanation Answer: D) Narendra Modi

Explanation:

For the first time in Sri Lanka, the United Nation Vesak Day celebration will be held in Colombo and Kandy from May 12 to 14. Indian Prime Minister Narendra Modi will be the chief guest of the opening ceremony which will be held at BMICH in Colombo while Nepali President Bidhya Devi Bhandari will attend for the closing ceremony which is scheduled to be held at the Sri Dalada Maligawa premises in Kandy.

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Filed Under: General Awareness

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Q:

The quickest and easiest way in word, to locate a particular word or phase in a document is to use the command

A) Replace B) Find
C) Lookup D) Search
 
Answer & Explanation Answer: B) Find

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

The grouping of blood is based on substances called 

A) antibodies B) antigens
C) antitoxin D) enzymes
 
Answer & Explanation Answer: B) antigens

Explanation:

The red blood corpuscles  or erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles.

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Filed Under: Biology

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Q:

Diamond is harder than Graphite because of

A) tetrahedral structure of diamond B) difference of crystalline structures
C) difference of layers of atoms D) hexagonal structure of graphite
 
Answer & Explanation Answer: B) difference of crystalline structures

Explanation:

Here are the differences between Diamond and Graphite :

 

diamond_is_harder_than_graphite_because_of1557300898.jpg image

 

From the above analysis, Diamond is harder than Graphite because of the difference of crystalline structures.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

How many Teaspoons in a Tablespoon?

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

Tablespoon > Teaspoon

In US & UK, 1 Tablespoon = 3 Teaspoons.

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Q:

What happens when HLT instruction is executed in processor?

Answer

The Micro Processor enters into Halt-State and the buses are tri-stated. 

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Subject: Hardware

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Q:

What is the RST for the TRAP?

Answer

RST 4.5 is called as TRAP.

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Subject: Hardware

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