IIT JEE Practice Question and Answer

Q: I am an English word with five letters. If you remove my last four I am still pronounced the same. What am I? 1840 0

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Answer :
Explanation :

An English word with five letters in which if you remove the last four letters, still pronounced the same is QUEUE.

Q: Plants synthesis protein from 2109 0

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    amino acids
    Correct
    Wrong
  • 2
    starch
    Correct
    Wrong
  • 3
    fatty acids
    Correct
    Wrong
  • 4
    sugar
    Correct
    Wrong
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Answer : 1. "amino acids"
Explanation :

Answer: A) amino acids Explanation: It is the fact that all type of proteins are polymers of amino acids. So that, plants are also used to synthesise protein from amino acids.    Plants synthesis protein from amino acids in the presence of ATP by specific synthetases. This reaction is followed by the attachment of these activated amino acids to specific tRNA molecules, with the formation of aminoacyl-tRNA molecules.

Q: What comes down but never goes up? 2644 0

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Answer :
Explanation :

Rain is what only comes down but never goes up.

Q: The accounting software Tally was developed by 3091 0

  • 1
    Wipro
    Correct
    Wrong
  • 2
    TCS
    Correct
    Wrong
  • 3
    HCL
    Correct
    Wrong
  • 4
    Infosys
    Correct
    Wrong
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Answer : 2. "TCS"
Explanation :

Answer: B) TCS Explanation: Tally is one of the best business accounting software for accounting, inventory, payroll. It is economical and one of the most popular ERP software solutions available in the industry. Tally, an accounting software was developed by the multinational company TCS - Tata Consultancy Services.

Q: Emergence of two power blocs after the second world war. What are they? 3606 0

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Answer :
Explanation :

Emergence of two great power blocs: Two power blocs came into existence after the Second World War. The United States of America and Soviet Russia became two Super Powers. They tried to dominate over other countries in their own way. Ultimately, it gave a headache to the world.   The Cold War was a state of political and military tension after World War II between powers in the Western Bloc (the United States, its NATO allies and others) and powers in the Eastern Bloc (the Soviet Union and its allies in the Warsaw Pact).

Q: Meaning of commercialisation of agriculture 3833 0

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Answer :
Explanation :

The commercialization of agriculture means that the agricultural crops and goods are produced by the peasants for sale in the market and not for their own consumption. Commercialisation of agriculture is a phenomenon where agriculture is governed by commercial consideration i.e. certain specialised crops began to be grown not for consumption in village but for sale in national and even in international market.   Commercialization of agriculture in India began during the British rule.

Q: Instruments for measuring Solar Radiation? 2101 0

  • 1
    Ammeter
    Correct
    Wrong
  • 2
    Pyranometer
    Correct
    Wrong
  • 3
    Dynamometer
    Correct
    Wrong
  • 4
    Anemometer
    Correct
    Wrong
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Answer : 2. "Pyranometer"
Explanation :

Answer: B) Pyranometer Explanation: Solar radiation instruments may be produced to measure different types of solar energy. When sunlight encounters the Earth's atmosphere, some of it is absorbed or scattered by water vapor, aerosols, clouds, and other air molecules. The radiation which penetrates to the Earth's surface is termed direct solar radiation.   A thermopile pyranometer is a type of actinometer used for measuring solar radiation on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm.

Q: According to experts what percentage of trash is recyclable? 1844 0

  • 1
    16%
    Correct
    Wrong
  • 2
    36%
    Correct
    Wrong
  • 3
    72%
    Correct
    Wrong
  • 4
    90%
    Correct
    Wrong
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Answer : 4. "90%"
Explanation :

Answer: D) 90% Explanation:

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