Practice Question and Answer

Q:

Direction: Each question below has two blanks, each blank indicating that something has been omitted. Choose the set of words for each blank that best fits the meaning of the sentence as a whole. 

Few professions can_______ the sheer variety and constant_______ of being a doctor. 

5794 0

  • 1
    like, struggle
    Correct
    Wrong
  • 2
    share, enthusiast
    Correct
    Wrong
  • 3
    match, challenge
    Correct
    Wrong
  • 4
    draw, work-load
    Correct
    Wrong
  • 5
    justify, exception
    Correct
    Wrong
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Answer : 3. "match, challenge "

Q: Akash leaves mumbai at 6 am and reaches Bangalore  at  10 am . Prakash leaves Bangalore at 8 am and reaches Mumbai at 11:30 am. At what time do they cross each other? 5794 0

  • 1
    10 am
    Correct
    Wrong
  • 2
    8:32 am
    Correct
    Wrong
  • 3
    8:56 am
    Correct
    Wrong
  • 4
    9:20 am
    Correct
    Wrong
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Answer : 3. "8:56 am"
Explanation :

Answer: C) 8:56 am Explanation: Time taken by Akash = 4 h Time taken by Prakash = 3.5 h For your convenience take the product of times taken by both as a distance. Then  the distance = 14km Since, Akash covers half of the distance  in 2 hours(i.e at 8 am) Now, the rest half (i.e 7 km) will be coverd by both prakash and akash Time taken by them = 7/7.5 = 56 min Thus , they will cross each other at  8 : 56am.

Q:

The sum of the ages of Arjun and his daughter is 48. The average of the ages of Arjun, his daughter and his son is 25. What is the age of Arjun’s son?

5794 0

  • 1
    18
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 3. "27"

Q:

Which are the smallest cells in the human body?   

5793 2

  • 1
    Muscle cells
    Correct
    Wrong
  • 2
    Nerve cells
    Correct
    Wrong
  • 3
    Sperm cells
    Correct
    Wrong
  • 4
    Brain Stem cells
    Correct
    Wrong
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Answer : 3. "Sperm cells "
Explanation :

The sperm cell is the smallest cell in the human body. The volume of these cells is quite tiny. The head of a sperm cell is roughly 4 micrometres long, about the same size as a red blood cell (RBCs). Egg cells are the biggest cells in the human body (ovum).

Q:

Direction: - A cube of 8 x 8 x 8 cm. side is coloured opposite surface with red, green and yellow. After that cubes is cut into 2 cm small cubes.
The number of small cubes which have three surfaces coloured with red, green and yellow? 

5791 0

  • 1
    32
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    64
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 4. "8 "

Q: SI unit of equivalent conductance 5786 0

  • 1
    ohm/cm
    Correct
    Wrong
  • 2
    Siemens m2/equivalent
    Correct
    Wrong
  • 3
    Siemens/equivalent
    Correct
    Wrong
  • 4
    mho/cm
    Correct
    Wrong
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Answer : 2. "Siemens m2/equivalent"
Explanation :

Answer: B) Siemens m2/equivalent Explanation: Equivalent conductance is defined as the conductance of an electrolyte solution containing one gram equivalent of the electrolyte. It is equal to the product of specific conductance (k) of the solution and the volume (V) of the solution that contains one gram equivalent of the electrolyte.    λ = k x V   Unit of spceific conductance k is Siemens / m. Volume of the solution V is m3 Now, required equivalent conductance unit is Siemens.m2/equivalent .

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Answer : 3. "I and II"
Explanation :

Answer: C) I and II Explanation:

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