Practice Question and Answer

Q: Which of these molecules are polar? Check all that apply. 2192 0

  • 1
    SO2
    Correct
    Wrong
  • 2
    CH2Cl2
    Correct
    Wrong
  • 3
    PCl3
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation:    1) SO2                  2) CH2Cl2                3) PCl3 How to check the given molecules are polar or non polar : If the electronegativity of the two bonded atoms are different then the bond is polar. Although, some molecules contain polar bonds, the molecule may be non-polar. If the polarity of all the bonds present in the molecule are cancel each other then molecule is non-polar.   In the given options, SO2  is polar because the dipole moments on the O do not cancel. PCl3  is polar because the P-Cl bonds do not cancel out. CH2Cl2  polar because the C-Cl bonds do not cancel.   Hence, in brief, Polar molecules are molecules with net dipole due to the presence of partial positive and partial negative charge. For example, water is a polar molecule that has partial positive and partial negative charge on it. CO2 is a non polar compound.   Therefore, all the given options SO2, CH2Cl2 and PCl3 are Polar molecules.

Q:

Select the option in which the given figure is embedded?

2192 0

  • 1

    Correct
    Wrong
  • 2

    Correct
    Wrong
  • 3

    Correct
    Wrong
  • 4

    Correct
    Wrong
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Answer : 2. "

"

Q:

Statements:

I. Anand is an artist

II. Artists are beautiful 

Conclusion: 

(a) All beautiful persons are artists 

(b) Anand is beautiful 

(c) Anand is not beautiful 

(d) Beautiful persons are not artists. 

2191 0

  • 1
    Only conclusion II follows
    Correct
    Wrong
  • 2
    Only conclusion IV follows
    Correct
    Wrong
  • 3
    Only conclusion I & III follow
    Correct
    Wrong
  • 4
    All conclusions follow .
    Correct
    Wrong
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Answer : 1. "Only conclusion II follows "

Q: India is the largest producer of 2191 0

  • 1
    Cotton
    Correct
    Wrong
  • 2
    Milk
    Correct
    Wrong
  • 3
    Mangoes
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: As per the latest updates, India is :   Largest producer of milk. Largest producer of millets in the world. Largest producer of jute. Largest producer of ginger. Largest producer of bananas. Largest producer of castor oil seeds. Largest producer of mangoes. Largest producer of safflower oil seeds. Largest producer of papayas. Largest producer of cottonseed (As per International Cotton Advisory Committee (ICAC) report for the month of March 2017)   Second largest producer of tea, the first position being held by China. Second largest producer of sugarcane, the first position being held by Brazil. Second largest producer of wheat, the first position being held by China. Second largest producer of onions, the first position being held by China. Second largest producer of potatoes, the first position being held by China. Second largest producer of garlic, the first position being held by China. Second largest producer of rice, the first position being held by China. Second largest producer of cement., next to China. Second largest producer of silk, the first position being held by China.

Q:

What is the demand for labor called?

2191 1

  • 1
    Market demand
    Correct
    Wrong
  • 2
    Direct demand
    Correct
    Wrong
  • 3
    Derived demand
    Correct
    Wrong
  • 4
    Factory demand
    Correct
    Wrong
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Answer : 3. "Derived demand"

Q:

The cloth worn on the waist by the men of Bhil tribe is called -

2191 0

  • 1
    Jama
    Correct
    Wrong
  • 2
    Kachabu
    Correct
    Wrong
  • 3
    Polya
    Correct
    Wrong
  • 4
    Khoyatu
    Correct
    Wrong
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Answer : 4. "Khoyatu "
Explanation :

The correct answer is Khoyatu. Men of Bhil tribe wrap Khoyatu around their waists. The costume of the Bhil men comprises a turban or 'feta', an 'angi', tunic and a lower garment called 'potario'. The dhoti worn by them from the waist to the knees is called "Thephara or Dhepada".

Q:

Statements:
I. All T is P.
II. Some P is Q.
Conclusion:
I. Some Q is P.
II. Some P is T.


2191 0

  • 1
    Only conclusion II follows.
    Correct
    Wrong
  • 2
    Only conclusion I follows.
    Correct
    Wrong
  • 3
    Both conclusions I and II follow.
    Correct
    Wrong
  • 4
    Neither conclusion follows.
    Correct
    Wrong
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Answer : 3. "Both conclusions I and II follow."

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