IIT JEE Practice Question and Answer

Q: Add is to multiply as subtract is to 1433 0

  • 1
    fraction
    Correct
    Wrong
  • 2
    divide
    Correct
    Wrong
  • 3
    decimal
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "divide"
Explanation :

Answer: B) divide Explanation: Here if you observe, add and subtract are opposite in nature. Similarly, mutiply and divide are also opposite in nature.   Hence, Add : Multiply :: Subtract : Divide.

Q: Which veda deals with medicine? 3029 0

  • 1
    Atharva Veda
    Correct
    Wrong
  • 2
    Yajur Veda
    Correct
    Wrong
  • 3
    Sama Veda
    Correct
    Wrong
  • 4
    Rig Veda
    Correct
    Wrong
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Answer : 1. "Atharva Veda"
Explanation :

Answer: A) Atharva Veda Explanation: The Vedas are considered the earliest literary record of Indo-Aryan civilization. It is the most sacred scriptures of India.   There are four Vedas in Hinduism. They are: 1. The Rig Veda, 2. Sama Veda, 3. Yajur Veda and 4. Atharva Veda. Most ailments, both physical and mental, were attributed to malevolent spirits and cures consisted of rituals, charms, mantras, medicines and surgical intervention. The hymns in the Atharva Veda, the last of the four Vedas, and largely composed after the Aryans were well settled in the sub-continent, indicate that indigenous non-Aryan healing practices had influenced the Vedic Aryan healers.

Q: In the expansion phase of a business cycle 1330 0

  • 1
    economy moves from peak to trough
    Correct
    Wrong
  • 2
    economy moves from contraction to peak
    Correct
    Wrong
  • 3
    economy moves from trough to peak
    Correct
    Wrong
  • 4
    economy moves from trough to trough
    Correct
    Wrong
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Answer : 3. "economy moves from trough to peak"
Explanation :

Answer: C) economy moves from trough to peak Explanation: Business cycles are identified as having four distinct phases: 1. Expansion, 2. Peak, 3. Contraction, and 4. Trough. Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery. An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

Q: What part of a check is the least important? 1996 0

  • 1
    Memo line
    Correct
    Wrong
  • 2
    The check number
    Correct
    Wrong
  • 3
    Routing number
    Correct
    Wrong
  • 4
    Signature line
    Correct
    Wrong
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Answer : 1. "Memo line"
Explanation :

Answer: A) Memo line Explanation: The parts of a check are :   1. Name & Address 2. Date 3. Pay to the order of 4. Written amount 5. Numeric amount box 6. For or Memo line  7. Signature line 8. Check number 9. Account number 10. Bank name etc...    Hence, the Memo line which describes the purpose of the check is of least important in all the parts of a check.

Q: What can you hold but not touch? 1373 0

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Answer :
Explanation :

There are many possibilities for this. We can hold a breathe, meeting, conversation, party, grudge, etc... but cannot touch them.

Q: What is the Iupac name for the compound shown below. 1949 0

  • 1
    1-Bromo-3-chlorocyclohexene
    Correct
    Wrong
  • 2
    2-Bromo-6-chlorocyclohex-1-ene
    Correct
    Wrong
  • 3
    6-Bromo-2-chlorocyclohexene
    Correct
    Wrong
  • 4
    3-Bromo-1-chlorocyclohex-1-ene
    Correct
    Wrong
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Answer : 4. "3-Bromo-1-chlorocyclohex-1-ene"
Explanation :

Answer: D) 3-Bromo-1-chlorocyclohex-1-ene Explanation: In chemical nomenclature, the IUPAC nomenclature of organic chemistry is a systematic method of naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC).

Q: Why is burning coal a major source of pollution? 1265 0

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Answer :
Explanation :

Coal is chemically complex fuel. Whenever it is burned, gases are given off and particles of ash, called "fly ash," are released. Release of sulfur from burning into the air. The sulfur in coal combines with oxygen to form sulfur dioxide, which can be a major source of air pollution if emitted in large enough quantities. This stuff comes back as acid rain when it attaches itself to a raindrop.    Today, many of the effects of coal burning have been reduced significantly or eliminated. This is super-nasty and is only stopped by buying low-sulfur coal from Montana or Wyoming. The eastern power plants have to pay to move the coal from out west and this increases the price of power production.

Q: Which statement describes the term salary? 1965 0

  • 1
    Salary refers to the fixed amount paid on a daily basis.
    Correct
    Wrong
  • 2
    Salary refers to the varying amount paid on a daily basis.
    Correct
    Wrong
  • 3
    Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis.
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis."
Explanation :

Answer: C) Salary refers to the fixed amount paid on a weekly, bi-weekly, or monthly basis. Explanation: A salary is best described as a fixed amount of income that is paid to an individual on a weekly, bi-weekly or monthly basis.   A salary can also be described as the annual earnings paid out over a year.

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