IIT JEE Practice Question and Answer
8Q: Where are Alluvial Soils found in India? 1603 05b5cc6b8e4d2b4197774d654
5b5cc6b8e4d2b4197774d654- Show AnswerHide Answer
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Answer :
Explanation :
1. In India Alluvial Soils are most likely found in Indo-Gangetic Plains that stretches across almost East and North India. 2. Indo-Gangetic Plains has got this name after the two rivers The Indus and The Ganges Drain th plain. 3. These soil cover more than the 35% of the total land in India. 4. These Soils are suitable for Wheat, Vegetables, Cotton, Bajra, Oil seeds,... 5. These soils tend to be sandier and has quick draining properties than many other soils in India.
Q: A town has a population of 4000 requires 140 liters of water per head. It has a tank measuring 18m x 12m x 8m. The water of this tank will suffice for ____ days? 1603 05b5cc6bfe4d2b4197774da60
5b5cc6bfe4d2b4197774da60- 13true
- 24false
- 35false
- 42false
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Answer : 1. "3"
Explanation :
Answer: A) 3 Explanation: Water required = 4000 x 140 = 560000 lit = 560 cu.m (1 cu.m = 1000 lit) Volume of tank = 18 x 12 x 8 = 1728 cu.m Water of this tank will suffice for = 1728/560 = 3 days.
Q: I go around and in the house but never touches the house. What am I? 1602 05b5cc632e4d2b4197774b9bd
5b5cc632e4d2b4197774b9bd- Show AnswerHide Answer
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Answer :
Explanation :
Te Sun. From the time rising it goes around the house upto sunset, but never touches the house.
Q: The heat from the sun reaches earth through Convection. 1602 05b5cc69ce4d2b4197774c85f
5b5cc69ce4d2b4197774c85f- 1TRUEfalse
- 2FALSEtrue
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Answer : 2. "FALSE"
Explanation :
Answer: B) FALSE Explanation: The given statement, The heat from the sun reaches earth through Convection is FALSE. Heat from the sun actually reaches the earth through Radiation. The process occurs through electromagnetic radiation, specifically, in which molecules are warmed when the heat reaches them, and these molecules then warm other molecules touching them, which continues until we feel the sun's heat.
Q: Pollen grains in plants are produced in 1601 05b5cc69de4d2b4197774c8dc
5b5cc69de4d2b4197774c8dc- 1Flowertrue
- 2Stemfalse
- 3Rootsfalse
- 4Leavesfalse
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Answer : 1. "Flower"
Explanation :
Answer: A) Flower Explanation:
Q: Internet was started in India on ? 1601 05b5cc6c8e4d2b4197774def1
5b5cc6c8e4d2b4197774def1- 18 August,1994false
- 215 August,1995true
- 39 August,1995false
- 47 August,1996false
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Answer : 2. "15 August,1995"
Explanation :
Answer: B) 15 August,1995 Explanation:
Q: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1601 05b5cc6b3e4d2b4197774d3e3
5b5cc6b3e4d2b4197774d3e3- 1Rs. 7.46/kgfalse
- 2Rs. 8/kgtrue
- 3Rs. 8.74/kgfalse
- 4Rs. 8.56/kgfalse
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Answer : 2. "Rs. 8/kg"
Explanation :
Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg Hence, the selling price of the rice = Rs. 8/kg
Q: Arun’s weight is 140% of Akhil’s weight. Nani’s weight is 90% of Shreyon’s weight. Shreyon’s weight is twice as much as Akhil’s. What percentage of Arun’s weight is Nani’s weight? 1601 05b5cc6b3e4d2b4197774d3f3
5b5cc6b3e4d2b4197774d3f3- 176%false
- 277%false
- 378%true
- 479%false
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Answer : 3. "78%"
Explanation :
Answer: C) 78% Explanation: Let Akhil's weight = p kg => Shreyon's weight = 2p kg Nani's weight = 0.9 x 2p = 1.8p kg => Arun's weight = 1.4p kg Required percentage = 1.4p1.8p x 100 = 77.8% ~= 78%

