IIT JEE Practice Question and Answer

Q: 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = ? 1792 0

  • 1
    0
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 3. "12"
Explanation :

Answer: C) 12 Explanation: Given  1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 Using BODMAS Rule, As multiplication precedes addition, 1 x 0 = 0,  Now, 10 + 0 + 1 + 1 = 10 + 2 = 12.   Hence, 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 + 1 = 12.

Q: Indian state where Uniform Civil Code is applied? 1791 0

  • 1
    Uttarakhand
    Correct
    Wrong
  • 2
    Uttar Pradesh
    Correct
    Wrong
  • 3
    Goa
    Correct
    Wrong
  • 4
    Delhi
    Correct
    Wrong
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Answer : 3. "Goa"
Explanation :

Answer: C) Goa Explanation: Uniform civil code is the ongoing point of debate within Indian mandate to replace personal laws based on the scriptures and customs of each major religious community in India with a common set of rules governing every citizen.   Goa is the only state in INdia where Uniform Civil Code is applied. Laws are equal to all religion. Polygamy and triple talaq are illegal.

Q: The First step of Bacterial Replication is 1789 0

  • 1
    Pinching of the plasma membrane
    Correct
    Wrong
  • 2
    Separation of daughter cells
    Correct
    Wrong
  • 3
    Attachment of the DNA to the plasma membrane
    Correct
    Wrong
  • 4
    DNA Replication
    Correct
    Wrong
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Answer : 4. "DNA Replication"
Explanation :

Answer: D) DNA Replication Explanation: The First step of Bacterial Replication is DNA Replication. DNA must be copied in order to proceed.

Q: Which of these provides your body with energy? 1789 0

  • 1
    Carbohydrates
    Correct
    Wrong
  • 2
    Fats
    Correct
    Wrong
  • 3
    Vitamins
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Nutrients are the substances in food that provide the raw materials and energy the body needs to carry out all its essential processes. There are six groups of nutrients: 1. Carbohydrates. 2. Fats. 3. Proteins. 4. Vitamins. 5. Minerals. 6. Water.

Q: Complete the missing Number Puzzle? 1789 0

  • 1
    40
    Correct
    Wrong
  • 2
    52
    Correct
    Wrong
  • 3
    89
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
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Answer : 4. "96"
Explanation :

Answer: D) 96 Explanation: Here in the given number puzzle, the given numbers follows a pattern that  1 + 4 = 5 => 1 x 4 + 1 = 4 + 1 = 5  2 + 5 = 12 => 2 x 5 + 2 = 10 + 2 = 12    3 + 6 = 21 => 3 x 6 + 3 = 18 + 3 = 21  Similarly,  8 + 11 = 96 => 8 x 11 + 8 = 88 + 8 = 96   Hence, the missing number in the given number puzzle is 96.

Q: Eugenics is the study of 1788 1

  • 1
    impair the racial qualities of future generations either physically or mentally
    Correct
    Wrong
  • 2
    different races of mankind
    Correct
    Wrong
  • 3
    genetic of plants
    Correct
    Wrong
  • 4
    people of European origin
    Correct
    Wrong
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Answer : 1. "impair the racial qualities of future generations either physically or mentally"
Explanation :

Answer: A) impair the racial qualities of future generations either physically or mentally Explanation: Eugenics is the study of altering human beings by changing their genetic components.   It is the study of the agencies under social control that may improve or impair the racial qualities of future generations either physically or mentally.

Q: How many right angles does a square have? 1787 0

  • 1
    2
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: A square and a rectangle each have 4 right (90 deg) angles.  Both square and rctangle have 4 sides and 4 angles, but the only difference is square is a rectangle with all sides equal.

Q: What can you hear but not touch or see? 1787 0

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Answer :
Explanation :

The sound is what can you hear but not touch or see.

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