Questions

Q:

Which discovery is attributed to Phoebus Levene?

A) identification of ribose and deoxyribose B) recognition of RNA as DNA’s messenger
C) extraction and observation of DNA D) construction of an accurate DNA model
 
Answer & Explanation Answer: A) identification of ribose and deoxyribose

Explanation:

Phoebus Levene was an organic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA. He is who studied the structure and function of nucleic acids.

 

The discovery of Identification of Ribose and Deoxyribose is attributed to Phoebus Levene.

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Filed Under: Famous Personalities
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

What is the biggest island in the Caribbean?

Answer

Cuba

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Subject: World Geography

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Q:

Which of the following commands will allow a Linux on iSeries administrator to quickly scan backup tapes for files saved via a tar command on a Linux system?

A) The Linux command mt B) The Linux command cpio
C) The OS/400 command RST option(*print) D) The OS/400 command DSPTAP option(*savrst)
 
Answer & Explanation Answer: B) The Linux command cpio

Explanation:
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Filed Under: IBM Certification

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Q:

A man was slowly counting but unfortunately he miscounted. A little later he suffered a sharp pain is his back. Why?

Answer

The man want to buy a shirt went to a shop. He was counting the pins as he removed them from a new shirt. unfortunately, he missed one and wore.

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Subject: Logic Puzzles Exam Prep: Bank Exams

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Q:

As water is cooled from 4 deg C to 0 deg C, its density

A) increases B) decreases
C) remains same D) None of the above
 
Answer & Explanation Answer: B) decreases

Explanation:

As water is cooled from 4 deg C to 0 deg C, the water reaches its freezing point and starts forming ice crystals. Then the volume of that ice cubes increases and its density decreases. Hence, it is the reason that ice will float on water as ice has less density than the water.

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Filed Under: Physics
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Q:

Iveco, Part of the Fiat group, holds 15 per cent stake in an Indian automobile company. The  company in the question is 

A) AShok Leyland B) Hindustan Motors
C) Tata Motors D) Eitcher
 
Answer & Explanation Answer: A) AShok Leyland

Explanation:
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Filed Under: Business Awareness

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Q:

Market imperfections of a country are reflected in___________.

A) price rigidity B) factor immobility
C) lack of specialization D) All options are correct
 
Answer & Explanation Answer: D) All options are correct

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

Lime is sometimes applied to soil in order to

A) increase the acidity of the soil B) make the soil more porous
C) restore nitrates to the soil D) increase the alkalinity of the soil
 
Answer & Explanation Answer: D) increase the alkalinity of the soil

Explanation:

Lime is sometimes applied to soil in order to increase the acidity of the soil.

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Filed Under: Chemistry
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