IIT JEE Practice Question and Answer

Q: In which Organelle does Cellular Respiration Occur? 1673 0

  • 1
    Chloroplast
    Correct
    Wrong
  • 2
    ATP and NADPH
    Correct
    Wrong
  • 3
    Cytoplasm
    Correct
    Wrong
  • 4
    Mitochondria
    Correct
    Wrong
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Answer : 4. "Mitochondria"
Explanation :

Answer: D) Mitochondria Explanation: Mitochondria is the Organelle in which Cellular Respiration Occur.

Q: When 5% is lost in grinding Maize, a country has to import 20 million bags; but when only 2% is lost, it has to import only 15 million bags. Find the quantity of Maize, which grows in the country ? 1672 0

  • 1
    188 million
    Correct
    Wrong
  • 2
    166 2/3 million
    Correct
    Wrong
  • 3
    192 3/4 million
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "166 2/3 million"
Explanation :

Answer: B) 166 2/3 million Explanation: 5% - 2% = 3%=> 3% ------ 5 million bags 100% ---- ? => 166 2/3 million bags.

Q: Guess the Missing Letter in the Letter Puzzle ? 1671 0

  • 1
    L
    Correct
    Wrong
  • 2
    M
    Correct
    Wrong
  • 3
    N
    Correct
    Wrong
  • 4
    O
    Correct
    Wrong
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Answer : 1. "L"
Explanation :

Answer: A) L Explanation: The Logic followed in the given puzzle is : L x P = 12 x 16 = 192 (Alphabetical numbers of L & P) P x T = 16 x 20 = 320 (Alphabetical numbers of P & T) Similarly, K x () = 132 => () = 132/11 = 12 => L Hence, the missing letter is L

Q: What carries Blood away from the Heart? 1671 0

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

Answer: A) Arteries Explanation: 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 tissues from the heart and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back to the heart from all the body parts.

Q: K, L and M can do a piece of work in 20, 30 and 60 days respectively. In how many days can K do the total work if he is assisted by L and M on every third day ? 1671 0

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

Answer: A) 15 days Explanation: In one day work done by K = 1/20 Work done by K in 2 days = 1/10   Work done by K,L,M on 3rd day =1/20 + 1/30 + 1/60 = 1/10 Therefore, workdone in 3 days is = 1/10 + 1/10 = 1/5   1/5th of the work will be completed at the end of 3 days. The remaining work = 1 - 1/5 = 4/5 1/5 of work is completed in 3 days Total work wiil be done in 3 x 5 = 15 days.

Q: The belief in one god is called 1671 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: "Light years" is the unit of _____? 1671 0

  • 1
    Acceleration
    Correct
    Wrong
  • 2
    Distance
    Correct
    Wrong
  • 3
    Light Intensity
    Correct
    Wrong
  • 4
    Weight
    Correct
    Wrong
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Answer : 2. "Distance"
Explanation :

Answer: B) Distance Explanation: A Light-year is a distance that light travels in the vacuum in one Julian year (365.25 days). The light-year is a unit of length used to express astronomical distances. It is about 9.5 trillion kilometers or 5.9 trillion miles.

Q: A is sister of B who is mother of C who is mother of D. E is the grand mother of D. Then how C is related to E ? 1670 0

  • 1
    Sister
    Correct
    Wrong
  • 2
    Daughter
    Correct
    Wrong
  • 3
    Mother
    Correct
    Wrong
  • 4
    Daughter-in-law
    Correct
    Wrong
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Answer : 4. "Daughter-in-law"
Explanation :

Answer: D) Daughter-in-law Explanation:         GM    GMA ---- B ---- E         |         |         C         |         |         D (Grand son or daughter)

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