IIT JEE Practice Question and Answer

Q: The first effective vaccine against polio was prepared by ? 2235 0

  • 1
    Robert Edwards
    Correct
    Wrong
  • 2
    James Simpson
    Correct
    Wrong
  • 3
    H Gibbon
    Correct
    Wrong
  • 4
    Jonas E Salk
    Correct
    Wrong
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Answer : 4. "Jonas E Salk"
Explanation :

Answer: D) Jonas E Salk Explanation:

Q: Which one of the following launched world's longest scheduled flight ? 2234 0

  • 1
    Qatar Airways
    Correct
    Wrong
  • 2
    British Airways
    Correct
    Wrong
  • 3
    Jet Blue
    Correct
    Wrong
  • 4
    Air India
    Correct
    Wrong
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Answer : 1. "Qatar Airways"
Explanation :

Answer: A) Qatar Airways Explanation: The Qatar Airways has launched the World’s longest scheduled commercial service to ply between Doha to Auckland. The inaugural service of Flight QR920 took off on February 5, 2017 from Doha and will take 16 hours and 20 minutes to travel 14,535 kilometers to reach Auckland in New Zealand.This makes Qatar Airways to launch the World’s fastest and longest passenger service in terms of flying time. Prior to this, emirates launched the world’s longest non-stop scheduled commercial flight with a service from Dubai to Auckland, spanning 14,200 kilometres.

Q: A passenger train covers the distance between station K and L, 40 minutes faster than a goods train. Find this distance between K and L if the average speed of the passenger train is 50 km/h and that of goods train is 30 km/h? 2234 0

  • 1
    50 kms
    Correct
    Wrong
  • 2
    48 kms
    Correct
    Wrong
  • 3
    46 kms
    Correct
    Wrong
  • 4
    44 kms
    Correct
    Wrong
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Answer : 1. "50 kms"
Explanation :

Answer: A) 50 kms Explanation: Let the distance be 'd' kms. According to the given data, d30 - d50 = 4060 hrs=> 6d = 300=> d = 50 kms.

Q: Groundwater is found underground in the zone of 2234 0

  • 1
    Penetration
    Correct
    Wrong
  • 2
    Aeration
    Correct
    Wrong
  • 3
    Saturation
    Correct
    Wrong
  • 4
    Both B & C
    Correct
    Wrong
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Answer : 4. "Both B & C"
Explanation :

Answer: D) Both B & C Explanation: Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

Q: kuchipudi belongs to which state 2234 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: Where is it legal to tie up your boat? 2233 0

  • 1
    to a lighted buoy
    Correct
    Wrong
  • 2
    to a mooring buoy
    Correct
    Wrong
  • 3
    to a non-lateral marker
    Correct
    Wrong
  • 4
    to a safe water marker
    Correct
    Wrong
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Answer : 2. "to a mooring buoy"
Explanation :

Answer: B) to a mooring buoy Explanation: Mooring buoy are white with a blue horizontal band. They usually are placed in marinas and other areas where boats are allowed to anchor. These are the only buoys you may tie up to legally.

Q: Lux is the SI unit of 2231 0

  • 1
    luminous flux
    Correct
    Wrong
  • 2
    luminous efficiency
    Correct
    Wrong
  • 3
    intensity of illumination
    Correct
    Wrong
  • 4
    luminous intensity
    Correct
    Wrong
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Answer : 3. "intensity of illumination"
Explanation :

Answer: C) intensity of illumination Explanation: The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

Q: Where is the Headquarter of ASEAN (Association of Southeast Asian Nations)? 2229 0

  • 1
    Jakarta
    Correct
    Wrong
  • 2
    Beijing
    Correct
    Wrong
  • 3
    Newyork
    Correct
    Wrong
  • 4
    Da Nang
    Correct
    Wrong
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Answer : 1. "Jakarta"
Explanation :

Answer: A) Jakarta Explanation: The ASEAN Headquarters is located in Jakarta, Indonesia.   ASEAN is The Association of Southeast Asian Nations is a group of ten Southeast Asian countries. It was formed on 8th August 1967. The 10 countries in ASEAN are Indonesia, Malaysia, Philippines, Singapore, Brunei, Myanmar, Cambodia, Laos, Vietnam and Thailand.   Its main purpose include the acceleration of economic growth, social progress, cultural development among its members, the protection of the peace and stability of the region, and to provide opportunities for member countries to discuss differences peacefully.

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