IIT JEE Practice Question and Answer

Q: What is the IUPAC name of [Co (NH₃)₄Cl₂ ]Cl? 1745 0

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    Tetra-ammine dichloro cobalt (III) chloride
    Correct
    Wrong
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    Tetra-ammine trichloro cobalt (III)
    Correct
    Wrong
  • 3
    Tri-ammine dichloro cobalt (III) chloride
    Correct
    Wrong
  • 4
    Tetra-ammine dichloro cobalt
    Correct
    Wrong
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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: photosynthesis takes place faster in 1744 0

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    darkness
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    Wrong
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    red light
    Correct
    Wrong
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    white light
    Correct
    Wrong
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    yellow light
    Correct
    Wrong
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Answer : 3. "white light"
Explanation :

Answer: C) white light Explanation: As far as the rate of photosynthesis is concerned, it is fastest in white light making the rate of photosynthesis maximum. After White, We Have Violet Light Where Photosynthesis Occur To A Higher Extent as It Has The Shortest Wavelength Hence Has The Max Energy.   So The Order Is  ::  white>violet>blue.

Q: Who is the Indian writer of Mirror Image Shreemadbhagwad Gita? 1744 0

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Answer :
Explanation :

Piyush Goel

Q: Animal migration on savannas is often governed by 1744 0

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    Rainfall
    Correct
    Wrong
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    Distance
    Correct
    Wrong
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    Reproduction
    Correct
    Wrong
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    Fire
    Correct
    Wrong
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Answer : 1. "Rainfall"
Explanation :

Answer: A) Rainfall Explanation: Savannas are home to a wide diversity of animals. Many animals of the savanna migrate throughout the year, searching for food and water. Many of the droughts are seasonal and hit one area before another, so animals are constantly following the rains.   Hence, Rain fall is what often governs animal migration on savannas.

Q: A six-digit number is formed by repeating a three-digit number; for example, 404404 or 415415 etc. Any number of this form is always exactly divisible by 1744 0

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    101
    Correct
    Wrong
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    901
    Correct
    Wrong
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    1001
    Correct
    Wrong
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    789
    Correct
    Wrong
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Answer : 3. "1001"
Explanation :

Answer: C) 1001 Explanation: Here by trial and error method, we can obseve that 404404 = 404 x 1001; 415415 = 415 x 1001, etc. So, any number of this form is divisible by 1001.

Q: Which of the Phrases (1), (2), (3) and (4) given below should replace the phrases printed in bold in the sentence to make it grammatically correct.    They claim that their employees are highly committing and disciplined. 1744 0

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    Have been highly committed
    Correct
    Wrong
  • 2
    Have high commitments
    Correct
    Wrong
  • 3
    Are highly committed
    Correct
    Wrong
  • 4
    No correction required
    Correct
    Wrong
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Answer : 3. "Are highly committed"
Explanation :

Answer: C) Are highly committed Explanation: As per the rule of adverb, the adverb is followed by the third form of verb.

Q: What does the APR on a credit card determine? 1743 0

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    fee paid by bank for deposits
    Correct
    Wrong
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    fee paid for borrowing money
    Correct
    Wrong
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    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "fee paid for borrowing money"
Explanation :

Answer: B) fee paid for borrowing money Explanation: A credit card's interest rate is the price you pay for borrowing money. For credit cards, the interest rates are typically stated as a yearly rate. This is called the annual percentage rate (APR). On most cards, you can avoid paying interest on purchases if you pay your balance in full each month by the due date. Your APR is expressed in terms of a year, but credit card companies use it to calculate charges over your monthly statement period.

Q: What is the full form of "RADAR" ? 1743 0

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    Radio Detecting and Ranging
    Correct
    Wrong
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    Region Device and Ranging
    Correct
    Wrong
  • 3
    Radio Detect and Rangs
    Correct
    Wrong
  • 4
    Radio Device and Ranging
    Correct
    Wrong
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Answer : 1. "Radio Detecting and Ranging"
Explanation :

Answer: A) Radio Detecting and Ranging Explanation:

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