IIT JEE Practice Question and Answer

Q: What one word has the most letters in it? 1335 0

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Answer :
Explanation :

ALPHABET is the only has the most letters in it.   Alphabet has all the 26 letters from A - Z.    Hence, ALPHABET is one word that has the most letters in it.

Q: Who has become the first full time woman Defence Minister of India ? 1334 0

  • 1
    Sushma Swaraj
    Correct
    Wrong
  • 2
    Nirmala Sitharaman
    Correct
    Wrong
  • 3
    Uma Bharathi
    Correct
    Wrong
  • 4
    Smriti Irani
    Correct
    Wrong
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Answer : 2. "Nirmala Sitharaman"
Explanation :

Answer: B) Nirmala Sitharaman Explanation: Nirmala Sitharaman, who took oath as the new Cabinet member in september 2017 under Narendra Modi, has been given the Defence Ministry portfolio. Incidentally, she has become the first dedicated woman defence minister of India and only the second woman to hold the crucial ministry after Indira Gandhi.

Q: Although glory but not at my best. Power will fall to me when the man who made me dies. What am I? 1334 0

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Answer :
Explanation :

PRINCE.

Q: The term biodiversity refers to 1333 0

  • 1
    Range of genetic variation within a population
    Correct
    Wrong
  • 2
    Total number of different species within a habitat
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it.

Q: Pointing to a photograph, a woman says, "This man's son's sister is my mother-in-law." How is the woman's husband related to the man in the photograph ? 1333 0

  • 1
    son
    Correct
    Wrong
  • 2
    nephew
    Correct
    Wrong
  • 3
    grandson
    Correct
    Wrong
  • 4
    son-in-law
    Correct
    Wrong
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Answer : 3. "grandson"
Explanation :

Answer: C) grandson Explanation: Man's son's sister---Man's daughter.So, the man's daughter is the mother of the woman's husband. Thus, the woman's husband is the grandson of the man in the photograph.

Q: What is 15 as a decimal? 1332 0

  • 1
    0.333
    Correct
    Wrong
  • 2
    0.666
    Correct
    Wrong
  • 3
    0.200
    Correct
    Wrong
  • 4
    0.452
    Correct
    Wrong
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Answer : 3. "0.200"
Explanation :

Answer: C) 0.200 Explanation: Here I converted the original fraction to a fraction with the denominator being 10, because decimals can be written in the tenths place. Divide numerator and denominator with '2'15 x 22 = 210 = 0.2

Q: What part of the body controls balance? 1332 0

  • 1
    Cerebrum
    Correct
    Wrong
  • 2
    Cerebellum
    Correct
    Wrong
  • 3
    Medulla oblangata
    Correct
    Wrong
  • 4
    Amygdala
    Correct
    Wrong
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Answer : 2. "Cerebellum"
Explanation :

Answer: B) Cerebellum Explanation: The cerebellum is a small part of the brain positioned at the back of the head, where it meets the spine, which acts as the body's movement and balance control centre.     It's a lot smaller than the cerebrum at only 1/8 of its size. But it's a very important part of the brain.

Q: Is boiling water a chemical change? 1330 0

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Answer :
Explanation :

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.   Hence, Boiling water is a Physiacl change and not a chemical change.

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