IIT JEE Practice Question and Answer

Q: What do you understand by - 'If K is there L has to be there' 8408 0

  • 1
    K & L will always be together
    Correct
    Wrong
  • 2
    K is not there, then L will not be there
    Correct
    Wrong
  • 3
    k is there, then L will also be there
    Correct
    Wrong
  • 4
    K & L will always be not together
    Correct
    Wrong
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Answer : 3. "k is there, then L will also be there"
Explanation :

Answer: C) k is there, then L will also be there Explanation: This would not mean that K and L will always be together. It just implies that, if K is there, then L will also be there. At the same time, it can happen that L is there but K isn't. Remember, the condition is on K, not on L.

Q: The Largest Component of National Income is 2051 0

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    Proprietors Income
    Correct
    Wrong
  • 2
    Compensation of Employees
    Correct
    Wrong
  • 3
    Corporate Profits
    Correct
    Wrong
  • 4
    Rental Income
    Correct
    Wrong
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Answer : 2. "Compensation of Employees"
Explanation :

Answer: B) Compensation of Employees Explanation: National Income is the total income value of the goods and services produced by the residents of a country, usually during the period of one year. National Income is categorized into 6 components. They are : 1. Compensation of Employees (Wages and Benefits) 2. Corporate Profits 3. Rental Income 4. Proprietors Income (Income of unincorporated business) 5. Net Interest The Largest Component of National Income is Compensation of Employees.   The Largest component of National Income in India is Service Sector.

Q: Nitrogenous Food is 1886 0

  • 1
    Proteins
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
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    Salts
    Correct
    Wrong
  • 4
    Lipids
    Correct
    Wrong
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Answer : 1. "Proteins"
Explanation :

Answer: A) Proteins Explanation: Here the Nitrogenous Food is Proteins. Nitrogenous Food :: The animal body is more than a machine. It requires fuel to enable it not only to work but also to live, even without working. A part of the food eaten must go to maintain the body Nitrogenous food compounds are sometimes classed together under the name of proteins. These may be divided into proteids, gelatinoids, and extractives.

Q: Anything that has Mass and takes up Space- 1643 0

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    System
    Correct
    Wrong
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    Matter
    Correct
    Wrong
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    Energy
    Correct
    Wrong
  • 4
    Weight
    Correct
    Wrong
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Answer : 2. "Matter"
Explanation :

Answer: B) Matter Explanation: Anything that has Mass and takes up Space is called Matter.   Matter has some mass and occupies some space. Mass means the amount of matter in an object. Space occupied by an object is called its Volume.   The Study of Matter and and how matter changes is called Chemistry.

Q: In 1990 a person is 15 years old. In 2000 that same person is 5 years old. How can this be possible? 1388 0

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Answer :
Explanation :

It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago. Given In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old => In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.

Q: Ayurveda Owes its Origin to 3296 0

  • 1
    Yajurveda
    Correct
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  • 2
    Atharvaveda
    Correct
    Wrong
  • 3
    Rigveda
    Correct
    Wrong
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    Samaveda
    Correct
    Wrong
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Answer : 2. "Atharvaveda"
Explanation :

Answer: B) Atharvaveda Explanation: Ayurveda Owes its Origin to Atharvaveda.   The early history of ayurveda asserts that around 1500 BC, ayurveda's fundamental and applied principles got organised and enunciated. In this historical construction, Ayurveda traces its origins to the Vedas, Atharvaveda in particular, and is connected to Hindu religion. Atharvaveda (one of the four most ancient books of Indian knowledge, wisdom and culture) contains 114 hymns or formulations for the treatment of diseases. Ayurveda originated in and developed from these hymns. In this sense, ayurveda is considered by some to have divine origin. Indian medicine has a long history, and is one of the oldest organised systems of medicine. Its earliest concepts are set out in the sacred writings called the Vedas, especially in the metrical passages of the Atharvaveda.

Q: Who is the author of the book "The Hungry Tide"? 986 0

  • 1
    Mitali Meelan
    Correct
    Wrong
  • 2
    Ravinder Singh
    Correct
    Wrong
  • 3
    Amitav Ghosh
    Correct
    Wrong
  • 4
    Sudha Murty
    Correct
    Wrong
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Answer : 3. "Amitav Ghosh"
Explanation :

Answer: C) Amitav Ghosh Explanation:

Q: Find the Value of ? 5.112.2+5.553.3+6.31.4+7.22.001 = ? x 3.34 1394 0

  • 1
    81
    Correct
    Wrong
  • 2
    77
    Correct
    Wrong
  • 3
    73
    Correct
    Wrong
  • 4
    89
    Correct
    Wrong
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Answer : 4. "89"
Explanation :

Answer: D) 89 Explanation: This can be done in a method called Approximation. Now,  52 + 63 + 6 + 72 = ? x 3.3425 + 216 + 6 + 49 = ? x 3.34296 = ? x 3.34? = 2963.34 = 88.622 ≅ 89

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