IIT JEE Practice Question and Answer

Q: By tradition, when does the presidential campaign begin? 20128 0

  • 1
    When a candidate is officially nominated at the national convention
    Correct
    Wrong
  • 2
    With the New Hampshire primary
    Correct
    Wrong
  • 3
    In September, following the national convention
    Correct
    Wrong
  • 4
    After a candidate has gained enough electoral votes in the primaries
    Correct
    Wrong
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Answer : 1. "When a candidate is officially nominated at the national convention"
Explanation :

Answer: A) When a candidate is officially nominated at the national convention Explanation: When a candidate is officially nominated at the national convention, then the presidential campaign begins.

Q: One major cause of floods is 2673 0

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    light rain over a large area
    Correct
    Wrong
  • 2
    a decrease in stream discharge
    Correct
    Wrong
  • 3
    rapid spring snowmelt
    Correct
    Wrong
  • 4
    increased capacity of stream channels
    Correct
    Wrong
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Answer : 3. "rapid spring snowmelt"
Explanation :

Answer: C) rapid spring snowmelt Explanation: There are lots of reasons behind the flood in any area but the main reason is a heavy downpour or rapid snowmelt can flood canyons with a mixture of soil, rock, and water is a major cause of floods.   When the spring times come, sometimes there's a lot of warmth that suddenly comes, especially nowadays when there are things such as global warming. So the snow melts and large amounts of water can flood the fields that are often found at the foot of a mountain or similar things.   But they may also be caused by deforestation, drainage channel modification from a landslide, earthquake or volcanic eruption. Examples include outburst floods and lahars.

Q: What time will it be 18 hours from now in India, if in the USA it is 4:15 AM? (Hint : IST = US + 9:30 hrs) 2573 0

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    1:45 in the afternoon
    Correct
    Wrong
  • 2
    7:45 in the evening
    Correct
    Wrong
  • 3
    7:45 in the next morning
    Correct
    Wrong
  • 4
    1:45 in the next morning
    Correct
    Wrong
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Answer : 3. "7:45 in the next morning"
Explanation :

Answer: C) 7:45 in the next morning Explanation: We know that the time difference between India and USA is 9 hrs 30 min. India is 9:30 hrs ahead of USA. Time in India = 4:15 + 9:30 = 13:45 PM. Required Time after 18 hrs = 13:45 + 18 hrs = 7:45 AM.   Hence it is 7:45 AM on the next morning.

Q: kuchipudi belongs to which state 2092 0

  • 1
    Telangana
    Correct
    Wrong
  • 2
    Tamilnadu
    Correct
    Wrong
  • 3
    Andhra Pradesh
    Correct
    Wrong
  • 4
    Kerala
    Correct
    Wrong
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Answer : 3. "Andhra Pradesh"
Explanation :

Answer: C) Andhra Pradesh Explanation: Kuchipudi is a dance-drama performance, with its roots in the ancient Hindu Sanskrit text of Natya Shastra.  It originated in a village named Kuchipudi in the Indian state of Andhra Pradesh. Kuchipudi is also known as Kuchelapuram or Kuchilapuri in Krishna district of Andhra Pradesh.

Q: Which is not associated with areas of karst topography? 1811 0

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    flowing rivers
    Correct
    Wrong
  • 2
    sinkholes
    Correct
    Wrong
  • 3
    sinking streams
    Correct
    Wrong
  • 4
    caverns
    Correct
    Wrong
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Answer : 1. "flowing rivers"
Explanation :

Answer: A) flowing rivers Explanation: A karst topography is that which composes of limestone and its associated features and structures. Karst topography and caves develop in limestone rocks due to their solubility in dilute acidic groundwater. The solubility of limestone in water and weak acid solutions leads to karst landscapes.   Flowing rivers, can be found in areas away from karst topography.

Q: Which of these is NOT a lipid? 2025 0

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    Wax
    Correct
    Wrong
  • 2
    Cholesterol
    Correct
    Wrong
  • 3
    RNA
    Correct
    Wrong
  • 4
    Phospholipid
    Correct
    Wrong
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Answer : 3. "RNA"
Explanation :

Answer: C) RNA Explanation: RNA is not a lipid among the given options.   A lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, and phospholipids.

Q: What measures Air pressure? 1553 0

  • 1
    Barkometer
    Correct
    Wrong
  • 2
    Bolometer
    Correct
    Wrong
  • 3
    Spectrometer
    Correct
    Wrong
  • 4
    Barometer
    Correct
    Wrong
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Answer : 4. "Barometer"
Explanation :

Answer: D) Barometer Explanation: Air Pressure can be defined as the pressure of air in the earth's atmosphere. It reaches a maximum of about 100,000 Pa near sea level and decreases as altitude increases. The barometer is an instrument which is used for measuring Air pressure.   Physics instruments and their uses:   Barkometer  - - - Tanning liquors used in tanning leather Bolometer  - - - Electromagnetic radiation Spectrometer - - -  Properties of light.

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