IIT JEE Practice Question and Answer
8Q: Yard is to Inch as Quart is to 7647 05b5cc6afe4d2b4197774d1f1
5b5cc6afe4d2b4197774d1f1- 1Milkfalse
- 2Gallonfalse
- 3Liquidfalse
- 4Ouncetrue
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Answer : 4. "Ounce"
Explanation :
Answer: D) Ounce Explanation: Yard is to Inch as Quart is to Ounce. Because Yard and Inch are units of measurement Where Yard is larger than Inch i.e, 1 Yard = 36 Inches. So, here Quart and Ounce are also units of measurement where Quart is larger than Ounce i.e, 1 Quart = 32 Ounces. Gallon is not correct because Gallon is larger than Quart and Milk and Liquid are not units of measurement. So, Ounce is correct.
Q: Fresh grapes contain 60% water, while dry grapes contain 40% water. How many kgs of dry grapes can be obtained by 60 kg of fresh grapes? 3824 05b5cc6afe4d2b4197774d1e2
5b5cc6afe4d2b4197774d1e2- 125 kgsfalse
- 230 kgsfalse
- 335 kgsfalse
- 440 kgstrue
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Answer : 4. "40 kgs"
Explanation :
Answer: D) 40 kgs Explanation: The fruit content in both the fresh fruit and dry fruit is the same. Let 'p' kgs of dry grapes are obtained from the 60 kgs of fresh grapes => 60 x 40100 = p x 60100=> p = 40 kgs. Therefore, 40 kgs of Dry grapes are obtained from 60 kgs of Fresh grapes.
Q: A motorboat takes half time to cover a certain distance downstream than upstream. What is the ratio between rate of current and rate of boat in still water? 1799 05b5cc6afe4d2b4197774d1e7
5b5cc6afe4d2b4197774d1e7- 11 : 3true
- 23 : 2false
- 32 : 3false
- 43 : 1false
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Answer : 1. "1 : 3"
Explanation :
Answer: A) 1 : 3 Explanation: Let the speed of the boat in still water is 'w' Speed of the current is 'c' Let the distance between two places is 'd' According to the question, motorboat takes half time to cover a certain distance downstream than upstream. dw+c = 12dw-c => 2w - 2c = w + c => w = 3c => c : w = 1 : 3 Hence, the ratio between rate of current(c) and rate of boat in still water(w) = 1 : 3
Q: Which country has successfully launched the world's smallest rocket to carry tiny satellite into orbit? 1593 05b5cc6afe4d2b4197774d1d8
5b5cc6afe4d2b4197774d1d8- 1Indiafalse
- 2Russiafalse
- 3Japantrue
- 4Australiafalse
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Answer : 3. "Japan"
Explanation :
Answer: C) Japan Explanation: Japan's - Japan Aerospace Exploration Agency (JAXA) has successfully launched the world's smallest rocket with the ability to put a tiny satellite into orbit. Rocket - SS-520 which was pnce failed in 2017 lifted off from the Space Center carrying a microsatellite TRICOM-1R, a three-unit CubeSat weighing about 3 kilograms. The CubeSat will now be used to collect images of the Earth's surface via multiple cameras.
Q: Where are the Macronutrients located on a Nutritional Label? 2147 05b5cc6afe4d2b4197774d1dd
5b5cc6afe4d2b4197774d1dd- 1On the Toptrue
- 2On the Rightfalse
- 3On the Bottomfalse
- 4On the Leftfalse
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Answer : 1. "On the Top"
Explanation :
Answer: A) On the Top Explanation: Macronutrients are located on the Top of a Nutritional Label. Macronutrients are essential substances that the body needs to survive and develop. There are 3 main Macronutrients: 1. Fats 2. Proteins (and) 3. Carbohydrates. The nutritional label is an important part of any food package. Since the Macronutrients refer to a list of nutrients that we need daily in a pretty large amount are the most important nutrients to sustain our living, commonly they are written on the top of the Nutrition Labels.
Q: The First step of Bacterial Replication is 1789 05b5cc6afe4d2b4197774d1ce
5b5cc6afe4d2b4197774d1ce- 1Pinching of the plasma membranefalse
- 2Separation of daughter cellsfalse
- 3Attachment of the DNA to the plasma membranefalse
- 4DNA Replicationtrue
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Answer : 4. "DNA Replication"
Explanation :
Answer: D) DNA Replication Explanation: The First step of Bacterial Replication is DNA Replication. DNA must be copied in order to proceed.
Q: Find the Missing Number Puzzle for the Given 1501 05b5cc6afe4d2b4197774d1d3
5b5cc6afe4d2b4197774d1d3- 18false
- 216false
- 39true
- 412false
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Answer : 3. "9"
Explanation :
Answer: C) 9 Explanation: Given 6 = 3 => Number of letters in SIX = 3 12 = 6 => Number of letters in TWELVE = 6 14 = 8 => Number of letters in FOURTEEN = 8 Similarly, 22 = 9 => Number of letters in TWENTY TWO = 9 Therefore, 22 = 9.
Q: Which of the following equations represents Photosynthesis? 2630 05b5cc6afe4d2b4197774d1c4
5b5cc6afe4d2b4197774d1c4- 16CO2 + 6H2O -----> C6H12O6 + 6O2true
- 2C6H12O6 + 6O2 -----> CO2 + 6H2Ofalse
- 3CO2 + H2O -----> C6H12O6 + 6O2false
- 46O2 + 6H2O -----> C6H12O6 + 6CO2false
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Answer : 1. "6CO2 + 6H2O -----> C6H12O6 + 6O2"
Explanation :
Answer: A) 6CO2 + 6H2O -----> C6H12O6 + 6O2 Explanation: Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities. Photosynthesis can be represented using a chemical equation. The overall balanced equation is 6CO2 + 6H2O →Sunlight C6H12O6 + 6O2Source of Carbon & Oxygen + Source of Electrons & Hydrogen + Energy that drives Photosynthesis ----> Sugar + Gas produced by splitting water. Where CO2 = carbon dioxide H2O = waterC6H12O6 = glucose O2 = oxygen.

