IIT JEE Practice Question and Answer

Q: When 0.46 is written in simplest form, the sum of the numerator and the denominator is  ? 2244 0

  • 1
    69
    Correct
    Wrong
  • 2
    73
    Correct
    Wrong
  • 3
    96
    Correct
    Wrong
  • 4
    41
    Correct
    Wrong
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Answer : 2. "73"
Explanation :

Answer: B) 73 Explanation: 0.46 = 46/100 = 23/50. Sum of the numerator and denominator is 23 + 50 = 73

Q: 111 13 112 24 113 35 117 ? 2241 0

  • 1
    46
    Correct
    Wrong
  • 2
    57
    Correct
    Wrong
  • 3
    68
    Correct
    Wrong
  • 4
    79
    Correct
    Wrong
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Answer : 4. "79"
Explanation :

Answer: D) 79 Explanation: The given puzzle follows a pattern that, Number - . 111 - 13 112 - 24 113 - 35 So  117 - 79

Q: Plants synthesis protein from 2241 0

  • 1
    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: How many Lok Sabha seats belong to Rajasthan? 2241 0

  • 1
    25
    Correct
    Wrong
  • 2
    17
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 1. "25"
Explanation :

Answer: A) 25 Explanation: The maximum size of the Lok Sabha as outlined in the Constitution of India is 552 members made up of up to 530 members representing people of the states of India and up to 20 members representing people from the Union Territories on the basis of their population and 2 Anglo-Indians are nominated by President. The number of Parliamentary Seats for the States : Andhra Pradesh & Rajasthan - Each 25 Maharashtra - 48 Telangana - 17 Arunachal Pradesh, Bihar, Manipur, Meghalaya, Tripura - Each 02  Uttar Pradesh has the highest with - 80

Q: Find the missing number in the given number series? 5 11 21 44 ? 175 2240 0

  • 1
    86
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    94
    Correct
    Wrong
  • 4
    102
    Correct
    Wrong
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Answer : 1. "86"
Explanation :

Answer: A) 86 Explanation: Here the given number series is 5  11  21  44  ?  175   Now the given series follows a pattern, that   x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...   Then the missing number is x2 - 2   = 44 x 2 - 2 = 88 - 2 = 86   Hence, the missing number in the number series is 86.

Q: What has a foot but no legs? 2238 0

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Answer :
Explanation :

A measuring device.   Measuring devices have feet on them to measure distance.

Q: Reconciling the bank statement monthly is an example of 2236 0

  • 1
    establishment of responsibility
    Correct
    Wrong
  • 2
    independent internal verification
    Correct
    Wrong
  • 3
    documentation procedures
    Correct
    Wrong
  • 4
    segregation of duties
    Correct
    Wrong
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Answer : 2. "independent internal verification"
Explanation :

Answer: B) independent internal verification Explanation: Reconciling the bank statement monthly is an example of independent internal verification

Q: Which of the following causes tornadoes? 2235 0

  • 1
    condensation
    Correct
    Wrong
  • 2
    dry climates
    Correct
    Wrong
  • 3
    wind shear
    Correct
    Wrong
  • 4
    stationary fronts
    Correct
    Wrong
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Answer : 2. "dry climates"
Explanation :

Answer: B) dry climates Explanation: Conditions suitable for the formation of a tornado develop when varying temperatures and humidity come together and form thunderclouds. This refers to the presence of warm and moist condition in the lower atmosphere and cold and dry conditions in the upper atmosphere. The place where these varying masses of air meet is known as the dry-line. Such conditions, which are suitable for the formation of a tornado, are most often observed just before a low pressure system develops.   Once the ideal conditions occur, the warm air tries to rise in the atmosphere, while the cold air blocks it. This makes the air in between rotate horizontally. In the meanwhile, the land is heated by the Sun, and hence, the air near the ground becomes warm and starts rising. Continuous fueling by the heat energy from the Sun ensures that the warm air has an upper hand over cold air. As a result of this, the cold air at the top starts sinking and the warm air below starts rising in a spinning motion. As the amount of warm air increases, the formation gains height and becomes intense. The intensity of these devastating tornadoes is such that they can clear off anything that comes in their path.

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