IIT JEE Practice Question and Answer

Q: Ozone hole refers to 1486 0

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    Decrease in the thickness of ozone layer in Stratosphere
    Correct
    Wrong
  • 2
    Increase in thickness of ozone layer
    Correct
    Wrong
  • 3
    Decrease in the ozone layer in Troposphere
    Correct
    Wrong
  • 4
    Hole in the ozone layer
    Correct
    Wrong
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Answer : 1. "Decrease in the thickness of ozone layer in Stratosphere"
Explanation :

Answer: A) Decrease in the thickness of ozone layer in Stratosphere Explanation:

Q: Plants that make their own food are called 1486 0

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    Autotrophs
    Correct
    Wrong
  • 2
    Hydrophylls
    Correct
    Wrong
  • 3
    Decomposers
    Correct
    Wrong
  • 4
    Heterotrophs
    Correct
    Wrong
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Answer : 1. "Autotrophs"
Explanation :

Answer: A) Autotrophs Explanation: Plants make their own food through the process of photosynthesis. Plants are self-sufficient. Green plants have the ability to prepare their own food and this is the reason why they are called autotrophs.                                          They make their own food through the process of photosynthesis using light energy to make sugars from carbon dioxide (C02) and water (H20). The chlorophyll which is present in the leaves is the main reason for the production of food in the plants and it is the reason for the greenery of the leaves too.

Q: Tribal Cooperative Marketing Development Federation of India Limited (TRIFED) has celebrated 'World Honey Bee Day' on ? 1485 0

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    19th Augusrt
    Correct
    Wrong
  • 2
    21st August
    Correct
    Wrong
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    D) has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C)
    Correct
    Wrong
  • 4
    has celebrated 'World Honey Bee Day' on ? A) 19th Augusrt B) 21st August C) 18th August D) 16th August
    Correct
    Wrong
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Answer : 1. "19th Augusrt"
Explanation :

Answer: A) 19th Augusrt Explanation:

Q: Name the Asian country that has 1st time turned around from a Net importer of electricity to Net Exporter of electricity, as per Central Electricity Authority of the country. 1485 0

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    India
    Correct
    Wrong
  • 2
    Bangladesh
    Correct
    Wrong
  • 3
    Myanmar
    Correct
    Wrong
  • 4
    Pakistan
    Correct
    Wrong
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Answer : 1. "India"
Explanation :

Answer: A) India Explanation: As per Central Electricity Authority, the Designated Authority of Government of India for Cross Border Trade of Electricity, 1st time 'India' has turned around from a net importer of electricity to Net Exporter of electricity.

Q: If  1 1 1 1 = R    2 2 2 2 = T    3 3 3 3 = E    4 4 4 4 = N   Then  5 5 5 5 = ? 1480 0

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    Y
    Correct
    Wrong
  • 2
    Z
    Correct
    Wrong
  • 3
    T
    Correct
    Wrong
  • 4
    X
    Correct
    Wrong
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Answer : 1. "Y"
Explanation :

Answer: A) Y Explanation: If you add all the terms of the LHS of equality, then the last letter of the sum written in words would give you the RHS. 1 + 1 + 1 + 1 = 4 = FOUR 2 + 2 + 2 + 2 = 8 = EIGHT 3 + 3 + 3 + 3 = 12 = TWELVE 4 + 4 + 4 + 4 = 16 = SIXTEEN   So, following the same pattern. 5 + 5 + 5 + 5 = 20 = TWENTY   That gives us our answer to 5 5 5 5 =  "Y".

Q: State-run Bharat Sanchar Nigam (BSNL) unveiled its mobile wallet in partnership with _______ to enable one-tap bill payment for its over 100 million subscribers. 1479 0

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    Free Charge
    Correct
    Wrong
  • 2
    MobiWik
    Correct
    Wrong
  • 3
    Paytm
    Correct
    Wrong
  • 4
    Ezetap
    Correct
    Wrong
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Answer : 2. "MobiWik"
Explanation :

Answer: B) MobiWik Explanation:

Q: 125% as a Fraction? 1479 0

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    1/4
    Correct
    Wrong
  • 2
    3/4
    Correct
    Wrong
  • 3
    5/4
    Correct
    Wrong
  • 4
    7/4
    Correct
    Wrong
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Answer : 3. "5/4"
Explanation :

Answer: C) 5/4 Explanation: Literally any percentage means divide by 100. So 125% = 125100. That can be reduced to 5/4. To convert to a decimal, you can do long division, dividing 5 into 4.

Q: Are Alternate Exterior Angles congruent? 1479 0

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    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: We know that, Alternate Exterior Angles Theorem:: The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent . Converse of the Alternate Exterior Angles Theorem :: Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.

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