Questions

Q:

A fresh egg when placed in salt water will

A) sink and go to the bottom B) sink but will not go to the bottom
C) float D) burst
 
Answer & Explanation Answer: C) float

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Q:

Which of the following is least likely to be an effect of global warming?

A) Increased frequency of hurricanes B) Loss of fertile delta region as for agriculture
C) Decreased rate of photosynthesis in vegetation D) Shrinking of the polar ice regions
 
Answer & Explanation Answer: C) Decreased rate of photosynthesis in vegetation

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Q:

When a compressed slinky is released it converts potential energy into

A) Heat energy B) Mechanical energy
C) Chemical energy D) Kinetic energy
 
Answer & Explanation Answer: D) Kinetic energy

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Q:

Which type of Ethanol is made from sources like molasses, sugarcane, sugar beet, sorghum and edible oil seeds?

 

A) 2G ethanol B) 1G ethanol
C) Clean ethanol D) 3G ethanol
 
Answer & Explanation Answer: B) 1G ethanol

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Q:

Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

A) Open system B) Closed system
C) Isobaric system D) Isothermal system
 
Answer & Explanation Answer: A) Open system

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Q:

The process of copying genetic information from one strand of DNA into RNA is termed as

A) translation B) transcription
C) replication D) mutation
 
Answer & Explanation Answer: B) transcription

Explanation:

The process of copying genetic information from one strand of the DNA into RNA is termed as transcription. In transcription, only a segment of DNA and only one of the strands is copied into RNA. This necessitates defining the boundaries that would demarcate the region and the strand of DNA that would be transcribed.

 

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Q:

RNA is a polymeric molecule. What does RNA stand for?

A) Rado Nuclear Acid B) Ribo Nucleic Acid
C) Rhino Nuclear Acid D) Resto Nucleus Acid
 
Answer & Explanation Answer: B) Ribo Nucleic Acid

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Q:

Which of the following is an excretory organ of cockroach?

A) Malphigian Tubules B) Nephridia
C) Coxal Gland D) Green Gland
 
Answer & Explanation Answer: A) Malphigian Tubules

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