Questions

Q:

In which Organelle does Cellular Respiration Occur?

A) Chloroplast B) ATP and NADPH
C) Cytoplasm D) Mitochondria
 
Answer & Explanation Answer: D) Mitochondria

Explanation:

Mitochondria is the Organelle in which Cellular Respiration Occur.

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Q:

Which among the following is the disadvantage of circular list?

A) An info field that contains the information stored in the node B) Can’t traverse the list backward
C) A pointer to the node is given we cannot delete the node D) Both 2 and 3
 
Answer & Explanation Answer: D) Both 2 and 3

Explanation:

Both 2 and 3 are clearly the diadvantages of circular list

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Q:

What two scientists established the structure of dna?

A) Rosalind Franklin and Maurice Wilkins B) James Watson and Francis Crick
C) Rosalind Franklin and Francis Crick D) James Watson and Maurice Wilkins
 
Answer & Explanation Answer: B) James Watson and Francis Crick

Explanation:

In the early 1950s two scientists, Rosalind Franklin and Maurice Wilkins, studied DNA using x-rays. Franklin produced an x-ray photograph that allowed two other researchers, James Watson and Francis Crick to work out the 3D structure of DNA. The structure of DNA was found to be a double helix.

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Q:

How long can a beaver hold its breath?

A) 15 min B) 25 min
C) 35 min D) 55 min
 
Answer & Explanation Answer: A) 15 min

Explanation:

Beavers Can Hold Their Breath for 15 Minutes Underwater.

beaver_water1531199458.jpg image

The behavior of beavers means that they need to be able to remain underwater for several minutes at a time.

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Q:

What are the static and dynamic hazards in logic circuits?

Answer

If for a short period of time circuits goes to some different logic level then it is spposed to have then it is called static hazard. e.g., If the final logic value of output of given circuit becomes one vent if if is supposed to be zero then it is called static-0 Hazard and vice versa. Dynamic Hazard is the one in which the circuit output goes to some other logic level more than once then finally settling down to some appropriate level.

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Subject: Hardware

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Q:

Recently deleted files are stored in

A) Taskbar B) My Computer
C) Recycle Bin D) Desktop
 
Answer & Explanation Answer: C) Recycle Bin

Explanation:

Deleted files are not permanently removed from the hard drive or the computers memory. Before they are permanently removed from the system they are stored in Recycle Bin. Recycle Bin is a folder or directory where deleted items are temporarily stored. It is also called as trash.

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Q:

Which of the following is an interjection?

A) Alas B) Yikes
C) Oh D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Which one of the following elements cannot be detected by "Lassaigne's test"?

A) I B) Cl
C) S D) F
 
Answer & Explanation Answer: D) F

Explanation:

The sodium fusion test, or Lassaigne's test, is used in elemental analysis for the qualitative determination of the presence of foreign elements, namely halogens, nitrogen, and sulphur, in an organic compound. It was developed by J. L. Lassaigne.Silver fluoride is soluble in water and does not precipitate and thus this method cannot be used for detection of fluorine.

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Filed Under: Chemistry
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