IIT JEE Practice Question and Answer

Q: Name the state assembly, which has passed an amendment bill awarding death penalty for convicts involved in the rape of girls below 12 years of age. 1951 0

  • 1
    Rajasthan Assembly
    Correct
    Wrong
  • 2
    Uttar Pradesh Assembly
    Correct
    Wrong
  • 3
    Maharashtra Assembly
    Correct
    Wrong
  • 4
    Bihar Assembly
    Correct
    Wrong
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Answer : 1. "Rajasthan Assembly"
Explanation :

Answer: A) Rajasthan Assembly Explanation: Rajasthan assembly has passed an amendment bill awarding death penalty for convicts involved in the rape of girls below 12 years of age. State Home Minister Gulab Chand Kataria introduced 'The Criminal Laws (Rajasthan Amendment) Bill, 2018' in the assembly, which was passed in the House by a voice vote following a debate.

Q: What will come in place of the question mark (?) in the following number series  ? 12, 24, 26.5, 79.5, ?, 330 1951 0

  • 1
    211
    Correct
    Wrong
  • 2
    101.5
    Correct
    Wrong
  • 3
    82.5
    Correct
    Wrong
  • 4
    99
    Correct
    Wrong
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Answer : 3. "82.5"
Explanation :

Answer: C) 82.5 Explanation: The given series    12   24   26.5   79.5   ?   330 follows a pattern that,   12 x 2 = 24   24 + 2.5 = 26.5   26.5 x 3 = 79.5   79.5 + 3 = 82.5   82.5 x 4 = 330   Hence, the missing number is 82.5

Q: What occurs during the digestion of protein? 1951 0

  • 1
    Specific hormones breakdown proteins into simple sugars
    Correct
    Wrong
  • 2
    Specific enzymes breakdown proteins into simple sugars
    Correct
    Wrong
  • 3
    Specific hormones breakdown proteins into complex starches
    Correct
    Wrong
  • 4
    Specific enzymes breakdown proteins into amino acids
    Correct
    Wrong
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Answer : 4. "Specific enzymes breakdown proteins into amino acids"
Explanation :

Answer: D) Specific enzymes breakdown proteins into amino acids Explanation: Protein digestion occurs in the stomach and duodenum in which 3 main enzymes:   1. Pepsin secreted by the stomach  2. Trypsin and 3. Chymotrypsin secreted by the pancreas   Break down food proteins into polypeptides that are then broken down by various exopeptidases and dipeptidases into amino acids.

Q: What is the capital city of Cambodia? 1950 0

  • 1
    Phnom Penh
    Correct
    Wrong
  • 2
    Hanoi
    Correct
    Wrong
  • 3
    Lamur
    Correct
    Wrong
  • 4
    Bangkok
    Correct
    Wrong
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Answer : 1. "Phnom Penh"
Explanation :

Answer: A) Phnom Penh Explanation: Cambodia Capital- Phnom Penh, Currency- Cambodian riel.

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Answer : 4. "Only b follows"
Explanation :

Answer: D) Only b follows Explanation: Valuable suggestion from the retired professors will be helpful for restructuring of an organisation. Hence, management should involve such experienced people. Seeking permission from the employees is not the right course of action.

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Answer : 3. "Only b follows"
Explanation :

Answer: C) Only b follows Explanation: Clearly, reducing the number of aspirants for admission to colleges or sending the students of well-to-do families to foreign countries for higher studies, is no proper solution. So, both I and III do not follow. The right solution is to increase the number of colleges so as t accommodate the increasing number of admission-seekers. So, only II follows.

Q: How many meshes are there in 1 squrare meter of wire gauge if each mesh is 8mm long and 5mm wide ? 1950 0

  • 1
    2500
    Correct
    Wrong
  • 2
    25000
    Correct
    Wrong
  • 3
    12500
    Correct
    Wrong
  • 4
    15400
    Correct
    Wrong
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Answer : 2. "25000"
Explanation :

Answer: B) 25000 Explanation: We know that,   One square meter is equal to 10,00,000 sq mm.Given, each mesh is 8mm length and 5mm wideTherefore for each mesh : 8 x 5 = 40 sq mm.So, number of meshes = 100000040 = 25000.

Q: Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3? 1949 0

  • 1
    3x2+5x+2=0
    Correct
    Wrong
  • 2
    5x2+3x+2=0
    Correct
    Wrong
  • 3
    3x2-5x-2=0
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "3x2+5x+2=0"
Explanation :

Answer: A) A Explanation: The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x.   Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0   => 3x2+5x+2=0

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