IIT JEE Practice Question and Answer

Q: The main result of aerobic respiration is the 1630 0

  • 1
    production of lactic acid as an end product
    Correct
    Wrong
  • 2
    production of ATP from the breakdown of glucose
    Correct
    Wrong
  • 3
    conversion of radiant energy into chemical energy
    Correct
    Wrong
  • 4
    storage of energy in a polysaccharide
    Correct
    Wrong
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Answer : 2. "production of ATP from the breakdown of glucose"
Explanation :

Answer: B) production of ATP from the breakdown of glucose Explanation: The three steps within the aerobic respiration process are glycolysis, the citric acid cycle, and oxidative phosphorylation. Photosynthesis builds glucose, and what was built in photosynthesis is broken down during aerobic respiration.   Hence, production of ATP from the breakdown of glucose is the main result of aerobic respiration.

Q: In how many different ways can the letters of the word 'POVERTY' be arranged ? 1629 0

  • 1
    2520
    Correct
    Wrong
  • 2
    5040
    Correct
    Wrong
  • 3
    1260
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "5040"
Explanation :

Answer: B) 5040 Explanation: The 7 letters word 'POVERTY' be arranged in 7P7 ways = 7! = 5040 ways.

Q: How long does a basketball game last? 1629 0

  • 1
    35 min
    Correct
    Wrong
  • 2
    55 min
    Correct
    Wrong
  • 3
    1 hr 15 min
    Correct
    Wrong
  • 4
    48 min
    Correct
    Wrong
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Answer : 4. "48 min"
Explanation :

Answer: D) 48 min Explanation: A basketball game last for a total of 48 minutes which has 4 quarters of 12 minutes each excluding all timeouts, 15 min half time, fouls,...

Q: The ratio between present ages of Renuka and Sony is 5 : 4 . 4 years ago, Sony's age was 24 years. What will be Renuka's age after 5 years ? 1629 0

  • 1
    25
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 4. "40"
Explanation :

Answer: D) 40 Explanation: Present age of Sony = 24 + 4 = 28 years After 5 years Renuka's age = 7×5 + 5 = 40 years

Q: What always works with something in its eye? 1629 0

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Answer :
Explanation :

A Needle works when it has thread in its eye that is in its tiny hole.

Q: Where are genes located in the cell? 1629 0

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Answer :
Explanation :

Genes are located on DNA present in the chromosome. Chromosomes are present in the nucleus of the cell.

Q: _________ has successfully created the country’s first smart grid project, which will generate power from renewable sources of energy. 1628 0

  • 1
    Indian Institutes of Technology
    Correct
    Wrong
  • 2
    Indian Institutes of Engineering Science Technology
    Correct
    Wrong
  • 3
    Indian Institutes of Space Science and Technology
    Correct
    Wrong
  • 4
    Indian Institutes of Management
    Correct
    Wrong
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Answer : 2. "Indian Institutes of Engineering Science Technology"
Explanation :

Answer: B) Indian Institutes of Engineering Science Technology Explanation: The Indian Institute of Engineering Science and Technology (IIEST) has successfully created the country’s first smart grid project, which will generate power from renewable sources of energy.  The project will soon be inaugurated by President Pranab Mukherjee, IIEST Director Prof Ajoy Kumar Roy. The smart grid will be synchronised to generate power from solar, wind and vegetable waste resources, depending on the weather conditions and availability of waste products. It is the first of its kind in the country.

Q: Wind and solar energy are examples of 1628 0

  • 1
    Non renewable
    Correct
    Wrong
  • 2
    Renewable
    Correct
    Wrong
  • 3
    Unsustainable
    Correct
    Wrong
  • 4
    Limited
    Correct
    Wrong
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Answer : 2. "Renewable"
Explanation :

Answer: B) Renewable Explanation: Many types of renewable energy resources such as wind and solar energy are constantly replenished and will never run out.

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