IIT JEE Practice Question and Answer

Q: Highest Jute producing state in India? 1754 0

  • 1
    Gujarat
    Correct
    Wrong
  • 2
    West Bengal
    Correct
    Wrong
  • 3
    Uttar Pradesh
    Correct
    Wrong
  • 4
    Bihar
    Correct
    Wrong
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Answer : 2. "West Bengal"
Explanation :

Answer: B) West Bengal Explanation: West Bengal is the highest Jute producing state in India followed by Bihar and Assam in second and third place. Gujarat is the largest Cotton producing state in India.

Q: At an examination in which maximum marks are 500. P got 10% less than Q, Q got 25% more than R and R got 20% less than S. If P got 360 marks what percentage of marks was obtained by S ? 1754 0

  • 1
    77
    Correct
    Wrong
  • 2
    74
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    83
    Correct
    Wrong
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Answer : 3. "80"
Explanation :

Answer: C) 80 Explanation: Let marks obtained by S = M R's marks = 0.80M Q's marks = 1.25 (0.80M) P's marks = (0.90) (1.25) (0.80M) = 0.9M But 0.9M = 360 M = ? M = 400 Hence % of marks obtained by S = 400/500 x 100 = 80%.

Q: The enzyme that converts glucose to ethyl alcohol is 1753 0

  • 1
    Maltase
    Correct
    Wrong
  • 2
    Zymase
    Correct
    Wrong
  • 3
    Diastase
    Correct
    Wrong
  • 4
    Invertase
    Correct
    Wrong
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Answer : 2. "Zymase"
Explanation :

Answer: B) Zymase Explanation:

Q: " Rani ki Vav " an archaeological attraction is located in which of the following states ? 1753 0

  • 1
    Andhra Pradesh
    Correct
    Wrong
  • 2
    Telangana
    Correct
    Wrong
  • 3
    Rajasthan
    Correct
    Wrong
  • 4
    Gujarat
    Correct
    Wrong
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Answer : 4. "Gujarat"
Explanation :

Answer: D) Gujarat Explanation: Rani ki Vav meaning the Queen’s Stepwell is an archaeological site in the state of Gujarat. Beauitfully structured, the site has been included in the list of international heritage sites by UNESCO. With the help of the ambitious project, The Scottish Ten, Rani ki Vav is among the five heritage sites that would be recreated digitally for managment and conservation.

Q: Which of the following is not an enzyme? 1753 0

  • 1
    Oxytocin
    Correct
    Wrong
  • 2
    Trypsin
    Correct
    Wrong
  • 3
    Pepsin
    Correct
    Wrong
  • 4
    Ptyalin
    Correct
    Wrong
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Answer : 1. "Oxytocin"
Explanation :

Answer: A) Oxytocin Explanation: Oxytocin is a mamallian hormone and also acts as neuro transmitter in the brain.

Q: What is the first term of an arithmetic progression of positive integers ? (I) Sum of the squares of the first and the second term is 116. (II)The fifth term is divisible by 7. 1753 0

  • 1
    Only a is sufficient
    Correct
    Wrong
  • 2
    Only b is sufficient
    Correct
    Wrong
  • 3
    Both a & b are necessary
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Only a is sufficient"
Explanation :

Answer: A) Only a is sufficient Explanation: The sum of square of two no is 116 i.e no lie 1-11, because 11x11 =121 which is greater than 116 again after cheaking all possible pair of no only 4 and 10 satisfy this condsn , again the progression is of positive integer so 10 cant not be 1st termso the 1st term is 4,but from the 2nd we cant able to find the 1st term so only 1st statement is sufficient to answer the question

Q: Below question has with a part of it underlined. The question is followed by four alternatives to replace the underlined part of the sentence. Choose the best alternative which is grammatically correct. In this particular job we have discovered that to be diligent is more important than being bright. 1753 0

  • 1
    for one to be diligent is more important than being bright.
    Correct
    Wrong
  • 2
    by being diligent is important than being bright.
    Correct
    Wrong
  • 3
    being diligent is more important than being bright.
    Correct
    Wrong
  • 4
    diligence is more important than brightness.
    Correct
    Wrong
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Answer : 4. "diligence is more important than brightness."
Explanation :

Answer: D) diligence is more important than brightness. Explanation: Parallel construction error in the original statement. A similar form is required on each side of the comparison. " Diligence - brightness ".

Q: What carries Blood back to the Heart? 1752 0

  • 1
    Veins
    Correct
    Wrong
  • 2
    Arteries
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Veins"
Explanation :

Answer: A) Veins Explanation: Veins carries Blood back from the body parts to the Heart.   We know that The circulatory system of our body is a loop. The Heart is the pump, the arteries and their smaller branches (arterioles) carry oxygen rich blood all through your body and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back.

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