IIT JEE Practice Question and Answer

Q: Anti-emergency day is observed on 1629 0

  • 1
    June 26
    Correct
    Wrong
  • 2
    January 26
    Correct
    Wrong
  • 3
    September 26
    Correct
    Wrong
  • 4
    July 26
    Correct
    Wrong
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Answer : 1. "June 26"
Explanation :

Answer: A) June 26 Explanation: The government has decided to observe anti-Emergency day on June 25-26 and asked all its ministers to hold programmes across the country to remind people how Emergency was clamped by former Prime Minister Indira Gandhi in 1975.

Q: Which one phosphorylates ADP to make ATP? 1629 0

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Answer :
Explanation :

ATP synthase Phosphorylates ADP to make ATP.

Q: The belief in one god is called 1627 0

  • 1
    Polytheism
    Correct
    Wrong
  • 2
    Monotheism
    Correct
    Wrong
  • 3
    Holytheism
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Monotheism"
Explanation :

Answer: B) Monotheism Explanation: Belief in the existence of one god, or in the oneness of God is called Monotheism.

Q: P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days? 1627 0

  • 1
    16 days
    Correct
    Wrong
  • 2
    13 days
    Correct
    Wrong
  • 3
    15 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 2. "13 days"
Explanation :

Answer: B) 13 days Explanation: Ratio of times taken by P & Q = 100 : 130 = 10:13   Let Q takes x days to do the work Then, 10:13 :: 23:x => x = 23x13/10 => x = 299/10   P's 1 day's work = 1/23 Q's 1 day's work = 10/299 (P+Q)'s 1 day's work = (1/23 + 10/299) = 23/299 = 1/13 Hence, P & Q together can complete the work in 13 days.

Q: Which occurs during transcription? 1626 0

  • 1
    Proteins are produced
    Correct
    Wrong
  • 2
    Ribosomes produces
    Correct
    Wrong
  • 3
    DNA information is copied to RNA
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 3. "DNA information is copied to RNA"
Explanation :

Answer: C) DNA information is copied to RNA Explanation: Transcription is the process of copying the genetic material or information that is the DNA to messenger RNA (mRNA.

Q: What is 70 of 50? 1626 0

  • 1
    35
    Correct
    Wrong
  • 2
    38
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    44
    Correct
    Wrong
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Answer : 1. "35"
Explanation :

Answer: A) 35 Explanation: what is 70 of 50 means 70% of 50   ⇒70 x 50100= 7 x 5= 35   Hence, 70 of 50 is 35.

Q: At present, the ratio between the ages of Arun and Harish is 4:3. After 6 years, Arun's age will be 26 years. What is the age of Harish at present ? 1626 0

  • 1
    15 years
    Correct
    Wrong
  • 2
    16 years
    Correct
    Wrong
  • 3
    18 years
    Correct
    Wrong
  • 4
    21 years
    Correct
    Wrong
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Answer : 1. "15 years"
Explanation :

Answer: A) 15 years Explanation: Let the present ages of Arun and Harish be 4x and 3x years respectively. Then, 4x + 6 = 26 => x = 5 Harish's age = 3x = 15 years.

Q: Social Rights will not include _____ of the following? 1626 0

  • 1
    Adivasi
    Correct
    Wrong
  • 2
    Women
    Correct
    Wrong
  • 3
    Care for Political Section
    Correct
    Wrong
  • 4
    Children
    Correct
    Wrong
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Answer : 3. "Care for Political Section"
Explanation :

Answer: C) Care for Political Section Explanation:

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