IIT JEE Practice Question and Answer

Q: What is the IUPAC name of [Co (NH₃)₄Cl₂ ]Cl? 1614 0

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    Tetra-ammine dichloro cobalt (III) chloride
    Correct
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  • 2
    Tetra-ammine trichloro cobalt (III)
    Correct
    Wrong
  • 3
    Tri-ammine dichloro cobalt (III) chloride
    Correct
    Wrong
  • 4
    Tetra-ammine dichloro cobalt
    Correct
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Answer : 1. "Tetra-ammine dichloro cobalt (III) chloride"
Explanation :

Answer: A) Tetra-ammine dichloro cobalt (III) chloride Explanation: The IUPAC nomenclature in organic chemistry is a systematic method that is used to name organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).   The IUPAC name of the given complex [Co (NH₃)₄Cl₂ ]Cl is - Tetra-ammine dichloro cobalt (III) chloride.   The complex [Co (NH₃)₄ Cl₂ ] Cl ionizes an aqueous solution to furnish the chloride ion Cl⁻ and [Co (NH₃)₄ Cl₂ ] ⁺.

Q: How many daughter cells are produced in mitosis? 1454 0

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    2
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  • 2
    4
    Correct
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    8
    Correct
    Wrong
  • 4
    None
    Correct
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Answer : 1. "2"
Explanation :

Answer: A) 2 Explanation: In Mitosis, one parent cell divides into 2 daughter cells with identical chromosomal number. However, in Meiosis, one diploid parent cell divides into 4 haploid daughter cells.

Q: What is a stub network? 1934 0

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    A network with only one entry and no exit point.
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    A network that has only one entry and exit point.
    Correct
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    A network with more than one exit point.
    Correct
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  • 4
    A network with more than one exit and entry point.
    Correct
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Answer : 2. "A network that has only one entry and exit point."
Explanation :

Answer: B) A network that has only one entry and exit point. Explanation: A stub network has only one default path to non-local hosts and no outside network knowledge. Non-local stub network traffic uses a single logical path when traveling in and out of the network.   Stub networks are essentially local area networks (LAN) that either do not connect to the outside and relay data packets internally or are dead-end LANs that know of only one network exit. Stub networks may have multiple connections but use one path to single points of destination.   Hence, a stub network is a network that has only one entry and exit point.

Q: Guess the word? 1370 0

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Answer :
Explanation :

SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

Q: What happens during the bootstrap process? 1174 0

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Answer :
Explanation :

A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.

Q: Which of the following statements about monosaccharide structure is true? 1840 0

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    Aldoses and ketoses differ in the position of their hydroxyl groups.
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    Monosaccharides can be classified according to the spatial arrangement of their atoms.
    Correct
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    All monosaccharides contain carbon, hydrogen, oxygen, and nitrogen atoms.
    Correct
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    A six-carbon sugar is called a pentose.
    Correct
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Answer : 2. "Monosaccharides can be classified according to the spatial arrangement of their atoms."
Explanation :

Answer: B) Monosaccharides can be classified according to the spatial arrangement of their atoms. Explanation: Monosaccharides, also called simple sugars, are the most basic units of carbohydrates. They are fundamental units of carbohydrates and cannot be further hydrolyzed to simpler compounds.   Hence, Monosaccharides can be classified according to the spatial arrangement of their atoms is true about Monosaccharides.

Q: Car is to garage as aeroplane is to 1992 0

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    Hangar
    Correct
    Wrong
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    Port
    Correct
    Wrong
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    Harbour
    Correct
    Wrong
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    Depot
    Correct
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Answer : 1. "Hangar"
Explanation :

Answer: A) Hangar Explanation: We park car temporarily in garrage, similarly, aeroplane is temporarily parked in hangar.

Q: The yield to maturity on a discount bond is 1457 0

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    equal to both the coupon rate / current yeild
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    less than the current yeild but greater than the coupon rate
    Correct
    Wrong
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    greater than both the coupon rate / current yeild
    Correct
    Wrong
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    equal to the current yeild but greater than the coupon rate
    Correct
    Wrong
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Answer : 1. "equal to both the coupon rate / current yeild"
Explanation :

Answer: A) equal to both the coupon rate / current yeild Explanation: Yield to maturity is a concept for fixed rate bonds and is the internal rate of return i.e. the rate at which future flows are discounted on a compound basis to give the present value of the bond including accrued interest.

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