IIT JEE Practice Question and Answer
8Q: Give the iupac name for the following compound? 1581 05b5cc62ae4d2b4197774b8b0
5b5cc62ae4d2b4197774b8b0- 1Sec-Butylcyclohexinefalse
- 2Isopropylcyclohexanetrue
- 32-Cyclohexybutanefalse
- 4None of the abovefalse
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Answer : 2. "Isopropylcyclohexane"
Explanation :
Answer: B) Isopropylcyclohexane Explanation:
Q: What carries Blood away from the Heart? 1580 05b5cc6abe4d2b4197774d02f
5b5cc6abe4d2b4197774d02f- 1Arteriestrue
- 2Veinsfalse
- 3Both A & Bfalse
- 4Nonefalse
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Answer : 1. "Arteries"
Explanation :
Answer: A) Arteries Explanation: We know that the circulatory system of our body is a loop. The Heart is the pump, the arteries and their smaller branches (arterioles) carry oxygen rich blood all through your body tissues from the heart and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back to the heart from all the body parts.
Q: 9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work? 1580 05b5cc6b3e4d2b4197774d3c8
5b5cc6b3e4d2b4197774d3c8- 135/4 daysfalse
- 217.5 daystrue
- 319 3/4 daysfalse
- 437/3 daysfalse
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Answer : 2. "17.5 days"
Explanation :
Answer: B) 17.5 days Explanation: Let the number of days be 'p' As the work is same, we know that M1 x D1 x H1 = M2 x D2 x H2 Where M = Men, D = Days, H = Hours per day Here M1 = 9, D1 = 15, H1 = 7 M2 = 6, D2 = p, H2 = 9 => 9 x 15 x 7 = 6 x p x 9 => p = 35/2 = 17.5 days.
Q: Which state announced the shift of financial year from March - April to Jan - December ? 1579 05b5cc6e3e4d2b4197774ece3
5b5cc6e3e4d2b4197774ece3- 1Assamfalse
- 2Goafalse
- 3Keralafalse
- 4Madhya Pradeshtrue
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Answer : 4. "Madhya Pradesh"
Explanation :
Answer: D) Madhya Pradesh Explanation:
Q: If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father? which one should be used to calculate the age ? 1579 05b5cc6f4e4d2b4197774eff0
5b5cc6f4e4d2b4197774eff0- 1mother/son = Non-prime numberfalse
- 2mother/son = Perfect square number A) only A alone is sufficient B) only B alone is sufficienttrue
- 3both A and B are requiredfalse
- 4A) only A alone is sufficient B) only B alone is sufficient C) both A and B are required D)false
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Answer : 2. "mother/son = Perfect square number
A) only A alone is sufficient
B) only B alone is sufficient"
Explanation :
Answer: B) only B alone is sufficient Explanation: For the given problem there are three possiblities.Father's age can be = 36, 31, 29Mother's age = 32, 27, 25Son's age = 8, 3, 1. By using only B it can be calculated.
Q: What provides electrons for the light reactions? 1579 05b5cc6abe4d2b4197774d03e
5b5cc6abe4d2b4197774d03e- 1Watertrue
- 2Oxygenfalse
- 3Carbon dioxidefalse
- 4Lightfalse
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Answer : 1. "Water"
Explanation :
Answer: A) Water Explanation: Electrons are stripped from water in the light reactions of photosynthesis. Light provides the energy to excite electrons. ATP and NADPH are both products of the light reactions and are used to power the Calvin cycle.
Q: What is the shortest phase of the cell cycle? 1579 05b5cc698e4d2b4197774c636
5b5cc698e4d2b4197774c636- 1Mtrue
- 2G1false
- 3Sfalse
- 4G2false
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Answer : 1. "M"
Explanation :
Answer: A) M Explanation: Longest and shortest phases Of cell cycle: Shortest Phase - M phase or Mitotic phase. Longest phase - G1 phase of the Interphase Longest and shortest phases During Mitosis:Longest Phase - Prophase Shortest Phase - Anaphase
Q: Which property classification would include tools? 1578 05b5cc697e4d2b4197774c5c4
5b5cc697e4d2b4197774c5c4- Show AnswerHide Answer
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Answer :
Explanation :
Durable property classification would include tools. Nonexpendable property is property which has a continuing use, is not consumed in use, is of a durable nature with an expected service life of one or more years, has an acquisition cost of $300 or more, and does not become a fixture or lose its identity as a component of other equipment or plant.

