Practice Question and Answer

Q: Is B2+ Paramagnetic or Diamagnetic? 3821 0

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Answer :
Explanation :

B2+ is a Paramagnetic.  The filled orbitals are σ(1s)22, σ∗(1s)22, σ(2s)22, σ∗(2s)22. The half-filled orbitals are π(2pxx) and π(2pyy). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

Q:

Kanna is taller than Malik. Dev is shorter than Krish where as Krish is taller than Malik. Veena is shorter than Krish but taller than Malik and Dev is taller than Veena. Who is the Shortest ? 

3821 0

  • 1
    Veena
    Correct
    Wrong
  • 2
    Malik
    Correct
    Wrong
  • 3
    Dev
    Correct
    Wrong
  • 4
    Kanna
    Correct
    Wrong
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Answer : 2. "Malik "

Q: Select the correct statement about cellular respiration? 3821 0

  • 1
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule
    Correct
    Wrong
  • 2
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into NADH molecule
    Correct
    Wrong
  • 3
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into ATP molecule
    Correct
    Wrong
  • 4
    All the carbon atoms in glucose ultimately incorporated during cellular respiration into water molecule
    Correct
    Wrong
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Answer : 1. "All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule"
Explanation :

Answer: A) All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecule Explanation: All the carbon atoms in glucose ultimately incorporated during cellular respiration into carbon dioxide molecules.

Q:

Gunpowder consists of a mixture of : 

3820 0

  • 1
    Sand and TNT
    Correct
    Wrong
  • 2
    TNT and charcoal
    Correct
    Wrong
  • 3
    Calcium, Sulphur and charcoal
    Correct
    Wrong
  • 4
    Sulphur, potassium nitrate and charcoal
    Correct
    Wrong
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Answer : 4. "Sulphur, potassium nitrate and charcoal "

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Answer : 3. "d"

Q:

Directions : In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it.

ab ---b -bbaa- 

3820 0

  • 1
    abaab
    Correct
    Wrong
  • 2
    abbab
    Correct
    Wrong
  • 3
    baaab
    Correct
    Wrong
  • 4
    babba
    Correct
    Wrong
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Answer : 3. "baaab "

Q:

If A = 2, M=26, Z=52, then BET =?

3818 0

  • 1
    64
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    44
    Correct
    Wrong
  • 4
    54
    Correct
    Wrong
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Answer : 4. "54 "

Q:

Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.

Where were they playing the cricket match? 

3817 0

  • 1
    Where was the cricket match played?
    Correct
    Wrong
  • 2
    Where has the cricket match been played?
    Correct
    Wrong
  • 3
    Where will the cricket match be played?
    Correct
    Wrong
  • 4
    Where was the cricket match being played?
    Correct
    Wrong
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Answer : 4. "Where was the cricket match being played? "

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