IIT JEE Practice Question and Answer

Q: Makaibari is the costliest variety of what? 1385 0

  • 1
    Coffee
    Correct
    Wrong
  • 2
    Pepper
    Correct
    Wrong
  • 3
    Tea
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 3. "Tea"
Explanation :

Answer: C) Tea Explanation: Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal.    It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea.   Hence, Makaibari is the costliest variety of Tea.

Q: How many times can you subtract 5 from 25? 1239 0

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Answer :
Explanation :

Technically or logically it is possible only once. As if you subtract 5 from 25 at first te result will be 20. Now, you can't subtract 5 from 25 since the left number is 20.   But if you go mathematically, it can be done infinite times and only 5 times without going into the negatives.

Q: Which Indian city is named after the snake Anantha of Lord Vishnu? 1713 0

  • 1
    Trivandrum
    Correct
    Wrong
  • 2
    Tiruchirappalli
    Correct
    Wrong
  • 3
    Tanjavore
    Correct
    Wrong
  • 4
    Vellore
    Correct
    Wrong
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Answer : 1. "Trivandrum"
Explanation :

Answer: A) Trivandrum Explanation: Thiruvananthapuram also known as Trivandrum, is the capital and the largest city of the Indian state of Kerala is named after the snake Anantha of Lord Vishnu.

Q: Where was India's first F1 circuit built? 1472 0

  • 1
    Jaipur
    Correct
    Wrong
  • 2
    Coimbatore
    Correct
    Wrong
  • 3
    Noida
    Correct
    Wrong
  • 4
    Chennai
    Correct
    Wrong
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Answer : 3. "Noida"
Explanation :

Answer: C) Noida Explanation: Fi circuit refers to Formula One, is the highest class of open-wheeled auto racing defined by FIA, motorsport's world governing body.   The Buddh International Circuit is an Indian motor racing circuit in Greater Noida, Uttar Pradesh was India's first F1 circuit.

Q: What is the meaning of the four colour dots in the news paper? 1567 0

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Answer :
Explanation :

If you read newspaper daily, then you may be aware of the four coloured dots on the corner of the newspaper.    The four dots CMYK — blue (Cyan), pink (Magenta), Yellow and black (Kalio) are registration marks used during printing to help ensure the print is aligned properly. Any colour can be obtained by adding the correct proportion of these four colours.   CMYK is used as a base for the colours used in printing newspapers, and these four colours are often printed on the paper in either a heart, dot, or square shape.   To print an image, the plates of all these colours are laid out on a page separately and lined up in the same spot while printing. If those four dots are blur or you find the colours overlapping on the image it means the printing is not good. To print an accurate and perfect image, the colors and shape must be arranged precisely and must be claear sharp in order to get the best output.   That's why CMYK is also called registration mark. As physically checking all the pages of the paper is not possible for a printer who prints number of news papers daily, he just checks these dots.

Q: What are the rungs of the DNA ladder made of? 1088 0

  • 1
    phosphates and sugars
    Correct
    Wrong
  • 2
    nitrates and sugars
    Correct
    Wrong
  • 3
    nitrates and phosphates
    Correct
    Wrong
  • 4
    sugars and hydrates
    Correct
    Wrong
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Answer : 3. "nitrates and phosphates"
Explanation :

Answer: C) nitrates and phosphates Explanation: The rungs or the sides of the DNA ladder is made of Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

Q: Which of the following is not correct concerning nerves? 1679 0

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    Axons make up a majority of the matter in a nerve.
    Correct
    Wrong
  • 2
    Nerves are collection of axons of either sensory or motor neurons but not both.
    Correct
    Wrong
  • 3
    Nerves are covered by an outer sheath called the epineurium
    Correct
    Wrong
  • 4
    Nerves consist of parallel bundles of myelinated and nonmyelinated axons.
    Correct
    Wrong
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Answer : 1. "Axons make up a majority of the matter in a nerve."
Explanation :

Answer: A) Axons make up a majority of the matter in a nerve. Explanation: Axons make up a majority of the matter in a nerve is the one statement regarding nerves is incorrect.

Q: Which cartoon characters were created by William Hanna and Joseph Barbara in 1940? 1440 0

  • 1
    Oswald & Noddy
    Correct
    Wrong
  • 2
    Tom & Jerry
    Correct
    Wrong
  • 3
    Mickey mouse & Sylvester
    Correct
    Wrong
  • 4
    Donald duck & Tweety
    Correct
    Wrong
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Answer : 2. "Tom & Jerry"
Explanation :

Answer: B) Tom & Jerry Explanation: Tom Cat and Jerry Mouse were the two cartoon characters created by William Hanna and Joseph Barbara in 1940.

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