IIT JEE Practice Question and Answer

Q: What has Hands But cannot Clap? 2308 0

  • 1
    Toy
    Correct
    Wrong
  • 2
    Clock
    Correct
    Wrong
  • 3
    Bag
    Correct
    Wrong
  • 4
    Shirt
    Correct
    Wrong
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Answer : 2. "Clock"
Explanation :

Answer: B) Clock Explanation: What has Hands But cannot Clap is a Clock or a Watch. A Clock technically has 3 hands. 1 Hour Hand Which tells Hours 1 Minute Hand Which tells Minutes 1 Second Hand Which tells Seconds. But cannot clap with these hands.

Q: Corporation Tax is imposed by 2307 0

  • 1
    Central Government
    Correct
    Wrong
  • 2
    State Government
    Correct
    Wrong
  • 3
    Local Government
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Central Government"
Explanation :

Answer: A) Central Government Explanation: Corporation tax is a tax imposed on the net income of the company. Companies, both private and public which are registered in India under the Companies Act 1956, are liable to pay corporate tax. Taxes in India are levied by the Central Government and the state governments. Some minor taxes are also levied by the local authorities such as the Municipality. The authority to levy a tax is derived from the Constitution of India which allocates the power to levy various taxes between the Central and the State.   Hence, Corporate Tax is imposed by Central Government.

Q: If x is a whole number, then x²(x² - 1) is always divisible by ? 2307 0

  • 1
    4
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "12"
Explanation :

Answer: C) 12 Explanation: we can do this by trial and error method. Putting x = 2,we get 2²(2² - 1) = 12.checking with other integers, the above equation always gives a value which is a multiple of 12,So, x²(x² - 1) is always divisible by 12.

Q: Water soluble vitamin include 2307 0

  • 1
    vitamin C
    Correct
    Wrong
  • 2
    niacin
    Correct
    Wrong
  • 3
    riboflavin
    Correct
    Wrong
  • 4
    all of the above
    Correct
    Wrong
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Answer : 4. "all of the above"
Explanation :

Answer: D) all of the above Explanation:

Q: Which type of rock usually underlies a karst landscape? 2307 0

  • 1
    Limestone
    Correct
    Wrong
  • 2
    Quartz
    Correct
    Wrong
  • 3
    Granite
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 1. "Limestone"
Explanation :

Answer: A) Limestone Explanation: Karst is a type of landscape that is characterized by caverns, caves, sinkholes, and underground streams. These features were all caused by erosion of the underlying rock.   Limestone type of rock usually underlies a karst landscape.

Q: Which of the following are true of meditation in buddhism? 2306 0

  • 1
    Right concertation is reached through meditation
    Correct
    Wrong
  • 2
    It can involve concetration on your breathing
    Correct
    Wrong
  • 3
    It can mean visualizing certain things
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation:

Q: Which of the following describes the process of glycolysis? 2304 0

  • 1
    It represents the first stage in the chemical oxidation of glucose by a cell.
    Correct
    Wrong
  • 2
    Breakdown of Glucose
    Correct
    Wrong
  • 3
    Converts Glucose to Pyruvate
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Glycolysis is the chemical process that converts glucose C₆H₁₂O₆, into Pyruvate, CH₃COCOO− + H⁺.   It represents the first stage in the chemical oxidation of glucose by a cell. The free energy released in this process is used to form the high-energy molecules ATP and NADH.

Q: The State which tops in the production of rubber is 2302 2

  • 1
    Tamil Nadu
    Correct
    Wrong
  • 2
    Karnataka
    Correct
    Wrong
  • 3
    Kerala
    Correct
    Wrong
  • 4
    Orissa
    Correct
    Wrong
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Answer : 3. "Kerala"
Explanation :

Answer: C) Kerala Explanation: A uniformly high temperature of 800F and the annual rainfall of 80 inches or more, required by rubber is available in Kerala.

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