Q:

Which microscope is often used to view metal surfaces?

A) Optical microscopes	B) Scanning tunneling microscopes
C) Electron microscopes	D) None of the above

Answer & Explanation Answer: B) Scanning tunneling microscopes

Explanation:

Microscopes are of three types. They are :

1) Optical microscopes

2) Electron microscopes

3) Scanning tunneling microscopes

Which_microscope_is_often_used_to_view_metal_surfaces1538720175.png image

Scanning tunneling microscopes are the microscopes that are used to view metal surfaces.

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Q:

Microorganisms that cause disease are called

A) Pathogens	B) Microbes
C) Infectees	D) None of the above

Answer & Explanation Answer: A) Pathogens

Explanation:

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Q:

Is cholesterol Hydrophobic or Hydrophilic?

A) Hydrophobic	B) Hydrophilic
C) Both A & B	D) None of the above

Answer & Explanation Answer: C) Both A & B

Explanation:

Cholesterol is referred as an amphipathic molecule, that it contains its hydrophilic and hydrophobic parts.

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Q:

Where is the Headquarters of WTO

A) Vienna	B) Paris
C) Berne	D) Geneva

Answer & Explanation Answer: D) Geneva

Explanation:

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Q:

The talk test can be used to measure the

A) Speech frequency	B) Exercise intensity
C) Loudness intensity	D) None of the above

Answer & Explanation Answer: B) Exercise intensity

Explanation:

The talk test can be used to measure the Exercise intensity.

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Q:

The term facultative anaerobe refers to an organism that

A) Uses oxygen or grows without oxygen.	B) Requires less oxygen than is present in air.
C) Prefers to grow without oxygen.	D) Is killed by oxygen.

Answer & Explanation Answer: A) Uses oxygen or grows without oxygen.

Explanation:

The term facultative anaerobe refers to an organism that which uses oxygen when it is present or grows without oxygen when it is not there.

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Q:

During the process of protein synthesis, each trna carries one

A) amino acid	B) nucleotide
C) fatty acid	D) nucleic acis

Answer & Explanation Answer: A) amino acid

Explanation:

During protein synthesis process, each tRNA carries one aminoacid for protein synthesis to the ribosomes.

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Akshay kumar being a (1)/ good actor he is (2)/ presented with the National Award. (3)/ No Error (4)/

A) 1	B) 2
C) 3	D) 4

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