Practice Question and Answer

Q:

The upper part of the respiratory tract is provided with small hair-like structures called ______.

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  • 1
    bronchi
    Correct
    Wrong
  • 2
    cilia
    Correct
    Wrong
  • 3
    villi
    Correct
    Wrong
  • 4
    alveoli
    Correct
    Wrong
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Answer : 2. "cilia"
Explanation :

Hairlike structures called cilia line the mucous membrane and move the particles trapped in the mucus out of the nose. Inhaled air is moistened, warmed, and cleansed by the tissue that lines the nasal cavity.


Q:

What is the area ( in cm2 ) of the circumcircle of a triangle whose sides are 6 cm , 8 cm and 10 cm respectively ? 

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  • 1
    $$ {275\over 7}$$
    Correct
    Wrong
  • 2
    $$ {2200\over 7}$$
    Correct
    Wrong
  • 3
    $$ {550\over 7}$$
    Correct
    Wrong
  • 4
    $$ {1100\over 7}$$
    Correct
    Wrong
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Answer : 3. "$$ {550\over 7}$$"

Q:

Let ΔABC ∼ Δ PQR and ar(∆ABC)/ar(∆PQR) =4/25. If AB = 12 cm, BC = 8 cm and AC = 9 cm, then QR is equal to:

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  • 1
    20
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    17.5
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 1. "20"

Q:

While selling an article, a shopkeeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the article is -

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  • 1
    Rs.1250
    Correct
    Wrong
  • 2
    Rs.840
    Correct
    Wrong
  • 3
    Rs.750
    Correct
    Wrong
  • 4
    Rs.850
    Correct
    Wrong
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Answer : 3. "Rs.750"

Q:

From which site of Indus Valley Civilization, Agnaveedikas have been obtained?

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  • 1
    Mohenjodaro
    Correct
    Wrong
  • 2
    Lothal
    Correct
    Wrong
  • 3
    Kalibangan
    Correct
    Wrong
  • 4
    Lothal
    Correct
    Wrong
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Answer : 3. "Kalibangan"

Q:

Who among the following has been re-elected for the second term as the President of Boxing Federation India?

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  • 1
    Ramesh Aggarwal
    Correct
    Wrong
  • 2
    Vinod Verma
    Correct
    Wrong
  • 3
    Ajay Singh
    Correct
    Wrong
  • 4
    Sanjeev Gupta
    Correct
    Wrong
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Answer : 3. "Ajay Singh"

Q:

The Study of Lakes is called- 

1236 1

  • 1
    Limnology
    Correct
    Wrong
  • 2
    Potomology
    Correct
    Wrong
  • 3
    Topology
    Correct
    Wrong
  • 4
    Hydrology
    Correct
    Wrong
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Answer : 1. "Limnology "

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