Practice Question and Answer

Q: Which three components are common to all amino acids? 2122 0

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Answer :
Explanation :

Any two amino acids vary structure by the r-group, otherwise all amino acids are in the same structure. All amino acids have in common carboxyl group -COO , amino group -NH3+ and a hydrogen -H and a r-group which are all bonded to a central carbon.

Q: Where is a hub specified in the OSI model? 2122 0

  • 1
    Physical Layer
    Correct
    Wrong
  • 2
    Data Link Layer
    Correct
    Wrong
  • 3
    Application Layer
    Correct
    Wrong
  • 4
    Session Layer
    Correct
    Wrong
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Answer : 1. "Physical Layer"
Explanation :

Answer: A) Physical Layer Explanation: Hubs regenerate electrical signals, which are specified at the Physical layer.

Q: Which country shares the longest border with China? 2121 0

  • 1
    India
    Correct
    Wrong
  • 2
    Russia
    Correct
    Wrong
  • 3
    Mongolia
    Correct
    Wrong
  • 4
    Kazakhstan
    Correct
    Wrong
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Answer : 3. "Mongolia"
Explanation :

Answer: C) Mongolia Explanation: China shares land borders with 14 different countries, the longest being with Mongolia followed by Russia and then India.

Q:

दिये गए विकल्पो में से, शब्दकोश के अनुसार, कौन सा शब्द तीसरे स्थान पर आयेगा ?

1. Chimney 

2. Cherry 

3. Childish 

4. Chess 

5. Chest

2121 0

  • 1
    Chest
    Correct
    Wrong
  • 2
    Childish
    Correct
    Wrong
  • 3
    Chimney
    Correct
    Wrong
  • 4
    Chess
    Correct
    Wrong
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Answer : 1. "Chest "

Q: During Processing data, programs, and processed information are held temporarily in _________ 2121 0

  • 1
    Secodary stoage
    Correct
    Wrong
  • 2
    ROM
    Correct
    Wrong
  • 3
    RAM
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "RAM"
Explanation :

Answer: C) RAM Explanation:

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