IIT JEE Practice Question and Answer

Q: What type of Lipid is Estrogen? 1462 0

  • 1
    phospholipid
    Correct
    Wrong
  • 2
    steroid
    Correct
    Wrong
  • 3
    wax
    Correct
    Wrong
  • 4
    triglyceride
    Correct
    Wrong
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Answer : 2. "steroid"
Explanation :

Answer: B) steroid Explanation: Estrogen is a group of steroid hormone that control the development and maintenance of an individuals feminine characteristics. Natural estrogen exists in men as well as women and are found in higher amounts in women Especially in those of reproductive age.   Estrogens are hormones which are responsible to the body functions of the female body system such as menstruation, development of the female body such as pubic hair, breasts and development of the proportions of the body.   Lipids act as best energy storage molecules as the cleavage of fatty acids produces both energy and metabolic water which is a main component in almost all lipids.

Q: A card is drawn from a pack of 52 cards. The probability of getting a queen of the club or a king of the heart is? 1462 0

  • 1
    1/26
    Correct
    Wrong
  • 2
    1/13
    Correct
    Wrong
  • 3
    2/13
    Correct
    Wrong
  • 4
    1/52
    Correct
    Wrong
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Answer : 1. "1/26"
Explanation :

Answer: A) 1/26 Explanation: Here in this pack of cards, n(S) = 52 Let E = event of getting a queen of the club or a king of the heart Then, n(E) = 2 P(E) = n(E)/n(S) = 2/52 = 1/26

Q: How many daughter cells are produced in mitosis? 1462 0

  • 1
    2
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "2"
Explanation :

Answer: A) 2 Explanation: In Mitosis, one parent cell divides into 2 daughter cells with identical chromosomal number. However, in Meiosis, one diploid parent cell divides into 4 haploid daughter cells.

Q: Find the compound interest on Rs. 2680 at 8% per annum for 2 years ? 1461 0

  • 1
    Rs. 664.21
    Correct
    Wrong
  • 2
    Rs. 548.68
    Correct
    Wrong
  • 3
    Rs. 445.95
    Correct
    Wrong
  • 4
    Rs. 692.57
    Correct
    Wrong
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Answer : 3. "Rs. 445.95"
Explanation :

Answer: C) Rs. 445.95 Explanation: We know Compound Interest = C.I. = P1+r100t - 1 Here P = 2680, r = 8 and t = 2 C.I. = 26801 + 81002-1= 268027252-12= 26802725+12725-1= 2680 5225×225 = (2680 x 52 x 2)/625 = 445.95   Compound Interest = Rs. 445.95

Q: The headquarters of the International court of Justice is situated at _____ ? 1461 0

  • 1
    Sweden
    Correct
    Wrong
  • 2
    Geneva
    Correct
    Wrong
  • 3
    London
    Correct
    Wrong
  • 4
    Hague
    Correct
    Wrong
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Answer : 4. "Hague"
Explanation :

Answer: D) Hague Explanation: International court of Justice (ICJ) is the main judicial organ or branch of the United Nations, sometimes people call it the World Court. ICJ was established in the year 1945 and has its headquarters at The Hague, Netherlands.

Q: Which city ranks 40 among top 50 global cities for women entrepreneurs listing ? 1460 0

  • 1
    Hyderabad
    Correct
    Wrong
  • 2
    Chennai
    Correct
    Wrong
  • 3
    Delhi
    Correct
    Wrong
  • 4
    Bangalore
    Correct
    Wrong
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Answer : 4. "Bangalore"
Explanation :

Answer: D) Bangalore Explanation:

Q: On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is  ? 1460 0

  • 1
    476190476
    Correct
    Wrong
  • 2
    48617
    Correct
    Wrong
  • 3
    47619
    Correct
    Wrong
  • 4
    4587962
    Correct
    Wrong
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Answer : 3. "47619"
Explanation :

Answer: C) 47619 Explanation: By hit and trail, we find that 47619 x 7 = 333333. 7) 333333 (47619    333333----------------        0 And 476190476 x 7 = 3333333333 but smallest number is 47619.

Q: Which of the following is a Non Renewable Resource of Energy? 1460 0

  • 1
    Wind Power
    Correct
    Wrong
  • 2
    Hydrogen Fuel
    Correct
    Wrong
  • 3
    Natural Gas
    Correct
    Wrong
  • 4
    Solar Energy
    Correct
    Wrong
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Answer : 3. "Natural Gas"
Explanation :

Answer: C) Natural Gas Explanation: Natural Gas is a Non Renewable Resource of Energy because that does not renew itself once used, unlike the other choices.  It is a resource that will not be naturally replenished.

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