IIT JEE Practice Question and Answer
8Q: Which one of the following vitamins is known as the anti sterile factor ? 4486 05b5cc6d7e4d2b4197774e719
5b5cc6d7e4d2b4197774e719- 1Ascorbic acidfalse
- 2Riboflavintrue
- 3Niacinfalse
- 4Retinolfalse
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Answer : 2. "Riboflavin"
Explanation :
Answer: B) Riboflavin Explanation:
Q: A hater of knowledge and learning is 4481 05b5cc6ace4d2b4197774d082
5b5cc6ace4d2b4197774d082- 1Philologistfalse
- 2Misologisttrue
- 3Bibliophilefalse
- 4Misogynistfalse
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Answer : 2. "Misologist"
Explanation :
Answer: B) Misologist Explanation: The one word substitution for a hater of knowledge and learning is Misologist.
Q: The marked price of an article is increased by 25% and the selling price is increased by 16.66%, then the amount of profit doubles. If the original marked price be Rs. 400 which is greater than the corresponding cost price by 33.33%, what is the increased selling price? 4470 05b5cc69ae4d2b4197774c755
5b5cc69ae4d2b4197774c755- 1Rs. 380false
- 2Rs. 420true
- 3Rs. 460false
- 4Rs. 440false
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Answer : 2. "Rs. 420"
Explanation :
Answer: B) Rs. 420 Explanation: As given in the question, Marked price is 25% more than the Cost price. => C.P of the article = 34 x 400 = 300 Now, Let the original S.P of the article be Rs. P Now the new S.P = P + 16.666 +13.333300 x P => S.P = 7P6 According to the question, 7P6 - 300 = 2P - 300 => 5P = 1800 => P = Rs. 360 Hence, the increased S.P = 360 x 7/6 = Rs. 420.
Q: Online functional learning portals are accessed through the 4467 05b5cc62fe4d2b4197774b983
5b5cc62fe4d2b4197774b983- 1Web portaltrue
- 2Interactive Multimedia Instructionfalse
- 3Instructor Facilitated New Equipmentfalse
- 4All the abovefalse
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Answer : 1. "Web portal"
Explanation :
Answer: A) Web portal Explanation: Online functional learning portals are accessed through the web portal.
Q: In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is: 4443 05b5cc6bde4d2b4197774d8fc
5b5cc6bde4d2b4197774d8fc- 19true
- 28false
- 37false
- 47.5false
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Answer : 1. "9"
Explanation :
Answer: A) 9 Explanation: Speed in still water = Average of Speed in Upstream and speed in Downstream = 1/2 (12 + 6) kmph = 9 kmph.
Q: Missing Slot Covers on a Computer can cause 4442 15b5cc6ade4d2b4197774d118
5b5cc6ade4d2b4197774d118- 1Power Surgesfalse
- 2Incomplete Path of ESDfalse
- 3Over Haeattrue
- 4EMIfalse
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Answer : 3. "Over Haeat"
Explanation :
Answer: C) Over Haeat Explanation: The slot covers on a computer reduce the dust build up inside the computer. So the slot covers should be present in proper place.The missing covers can disrupt the airflow design of the case and cause overheating problems.
Q: "Kargil Vijay Diwas" was observed on _____. 4421 05b5cc6cae4d2b4197774e054
5b5cc6cae4d2b4197774e054- 126 Julytrue
- 227 Julyfalse
- 325 Julyfalse
- 429 Julyfalse
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Answer : 1. "26 July"
Explanation :
Answer: A) 26 July Explanation:
Q: Essential Part for the given word from the following options. Respiration 4416 05b5cc6fee4d2b4197774f10c
5b5cc6fee4d2b4197774f10c- 1Oxygentrue
- 2Carbon monoxidefalse
- 3Mouthfalse
- 4Circulationfalse
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Answer : 1. "Oxygen"
Explanation :
Answer: A) Oxygen Explanation: A person or animal must take in oxygen for respiration to occur. A mouth (choice a) is not essential because breathing can occur through the nose. Choices b and d are clearly not essential and can be ruled out.