IIT JEE Practice Question and Answer

Q: Nucleic acids are polymers of 1672 0

  • 1
    Nucleotides
    Correct
    Wrong
  • 2
    Aminoacids
    Correct
    Wrong
  • 3
    Proteins
    Correct
    Wrong
  • 4
    Sugars
    Correct
    Wrong
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Answer : 1. "Nucleotides"
Explanation :

Answer: A) Nucleotides Explanation: Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base.

Q: c with a line over it symbol means 1671 0

  • 1
    with
    Correct
    Wrong
  • 2
    without
    Correct
    Wrong
  • 3
    and
    Correct
    Wrong
  • 4
    or
    Correct
    Wrong
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Answer : 1. "with"
Explanation :

Answer: A) with Explanation: The letter “c” with a line over it is a medical abbreviation often used by doctors, nurses, and other medical professionals. The symbol looks like this: c̄. The c is almost always lower-case. This symbol actually has a very simple meaning. A c with a line over it just means “with”. This abbreviation is often used on patient charts and prescriptions, as well as information or notes written by medical professionals.

Q: The angle between the minute hand and the hour hand of a clock when the time is 4.15 is 1671 0

  • 1
    0
    Correct
    Wrong
  • 2
    37.5
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "37.5"
Explanation :

Answer: B) 37.5 Explanation: Angle between hands of a clock   When the minute hand is behind the hour hand, the angle between the two hands at M minutes past H 'o clock   => 30H-M5+M2 degrees   Here H = 4, M = 15 and the minute hand is behind the hour hand.   Hence the angle    = 30[4-(15/5)]+15/2 = 30(1)+7.5 = 37.5 degrees

Q: Which is the largest coal producing country in the World? 1671 0

  • 1
    India
    Correct
    Wrong
  • 2
    China
    Correct
    Wrong
  • 3
    Russia
    Correct
    Wrong
  • 4
    New-zealand
    Correct
    Wrong
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Answer : 2. "China"
Explanation :

Answer: B) China Explanation: China has been by far the biggest coal producing country over the last three decades. The country produced about 3.6 billion tonnes (Bt) of coal in 2012 accounting for over 47% of the world's total coal output.

Q: The concept of carbon credit originated from 1670 0

  • 1
    G-8 Summit, Hciligendamm
    Correct
    Wrong
  • 2
    Earth Summit, Rio de Janeiro
    Correct
    Wrong
  • 3
    Montreal Protocol
    Correct
    Wrong
  • 4
    Kyoto Protocol
    Correct
    Wrong
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Answer : 4. "Kyoto Protocol"
Explanation :

Answer: D) Kyoto Protocol Explanation: The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.

Q: Is MS Word an operating system? 1670 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE
    Correct
    Wrong
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Answer : 2. "FALSE"
Explanation :

Answer: B) FALSE Explanation: False. MS-Word is not an Operating system.   Microsoft Word or MS-Word is an Application software developed by the company Microsoft. It allows users to Type and Save documents.

Q: 18 as a decimal? 1670 0

  • 1
    0.375
    Correct
    Wrong
  • 2
    0.247
    Correct
    Wrong
  • 3
    0.214
    Correct
    Wrong
  • 4
    0.125
    Correct
    Wrong
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Answer : 4. "0.125"
Explanation :

Answer: D) 0.125 Explanation: Here  18 in decimal means 8th part in 1. We know that 110 = 0.1 Then,   18 = ? => ? = 18 x 0.1110= 0.1 x 108= 0.5418= 0.125

Q: What is the next letter in the given seriesM N J Q G ? 1669 0

  • 1
    U
    Correct
    Wrong
  • 2
    S
    Correct
    Wrong
  • 3
    T
    Correct
    Wrong
  • 4
    H
    Correct
    Wrong
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Answer : 3. "T"
Explanation :

Answer: C) T Explanation: 1ST SERIES = M J G... It decreasing by 3 alphabets.2ND SERIES = N Q... It increasing by 3 alphabets. M N J Q G T...

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