IIT JEE Practice Question and Answer

Q: Which statement best describes an O3 molecule? 3424 0

  • 1
    The double bond in ozone switches back and forth between the two outer oxygen atoms
    Correct
    Wrong
  • 2
    An ozone molecule contains one single bond and one double bond
    Correct
    Wrong
  • 3
    Each atom in ozone is connected to another atom by 1.5 bonds.
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "An ozone molecule contains one single bond and one double bond"
Explanation :

Answer: B) An ozone molecule contains one single bond and one double bond Explanation: Ozone molecule has one single bond and one double bond.

Q: Biped : Quadruped :: Ostrich : ? 5372 0

  • 1
    Cat
    Correct
    Wrong
  • 2
    Rabbit
    Correct
    Wrong
  • 3
    Tortoise
    Correct
    Wrong
  • 4
    Rat
    Correct
    Wrong
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Answer : 1. "Cat"
Explanation :

Answer: A) Cat Explanation: A biped is an animal that uses two legs for walking and the quadrupeds are animals that use four legs for walking. From the Given options, Cat only have 4 legs. So Biped : Quadruped :: Ostrich : Cat.

Q: Rita ? into the cellar. Which of the following words best suitable in the place of '?' 1998 0

  • 1
    ascended
    Correct
    Wrong
  • 2
    rescinded
    Correct
    Wrong
  • 3
    descended
    Correct
    Wrong
  • 4
    intended
    Correct
    Wrong
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Answer : 3. "descended"
Explanation :

Answer: C) descended Explanation: Rita descended into the cellar. Descended means went down. As the cellar is in the basement, she must go down. Options and meanings ::  descended  -  went down  rescinded   - cancelled or annulled ascended   - went up  intended    - meant

Q: Which is called 'OFF State' in binary? 1355 0

  • 1
    4
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"
Explanation :

Answer: D) 1 Explanation: '0' is called OFF State in Binary...

Q: Bijapur is known for its what? 3158 0

  • 1
    Statue of Gomateshwara
    Correct
    Wrong
  • 2
    Heavy rainfall
    Correct
    Wrong
  • 3
    Gol Gumbaz
    Correct
    Wrong
  • 4
    Severe Drought area
    Correct
    Wrong
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Answer : 3. "Gol Gumbaz"
Explanation :

Answer: C) Gol Gumbaz Explanation: Bijapur is known for its Gol Gumbaz. Bijapur city is well known for its historical monuments of architectural importance built during the rule of the Adil Shahi dynasty.   What is Gol Gumbaz ::   1. It is the tomb of Mohammed Adil Shah. This is the most famous monument in Bijapur.  2. It is the largest dome ever built in India. 3. A particular attraction in this monument is the central chamber, where every sound is echoed seven times. 4. Another attraction at the Gol Gumbaz is the Whispering Gallery, where even minute sounds can be heard clearly 37 metres away.   Statue of Gomateshwara - Shravanabelagola in Karnataka.   Heavy Rainfall - Cherrapunji in Meghalaya.

Q: "Confederation Cup" is associated with which of the following game? 1620 0

  • 1
    Hockey
    Correct
    Wrong
  • 2
    Badminton
    Correct
    Wrong
  • 3
    Chess
    Correct
    Wrong
  • 4
    Football
    Correct
    Wrong
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Answer : 4. "Football"
Explanation :

Answer: D) Football Explanation:

Q: Which one phosphorylates ADP to make ATP? 1511 0

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Answer :
Explanation :

ATP synthase Phosphorylates ADP to make ATP.

Q: Select the correct statement about the Heart Valves. 2733 0

  • 1
    Aortic and pulmonary valves control the flow of blood into the heart.
    Correct
    Wrong
  • 2
    The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.
    Correct
    Wrong
  • 3
    The tricuspid valve divides the left atrium from the left ventricle.
    Correct
    Wrong
  • 4
    The mitral valve separates the right atrium from the right ventricle.
    Correct
    Wrong
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Answer : 2. "The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur."
Explanation :

Answer: B) The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur. Explanation: The correct statement from the given options is The AV valves are supported by chordae tendineae so that regurgitation of blood into the atria during ventricular contraction does not occur.

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