IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which is true of loyalty boards? 2832 05b5cc67ee4d2b4197774c234
5b5cc67ee4d2b4197774c234- 1They did not care about individual civil rightsfalse
- 2They carefully reveiwed all evidence in open courtfalse
- 3They were careful to pertect the civil rights of government workerstrue
- 4They asked for voluntary statementsfalse
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उत्तर : 3. "They were careful to pertect the civil rights of government workers"
व्याख्या :
Answer: C) They were careful to pertect the civil rights of government workers Explanation:
प्र: An alloy contains gold and silver in the ratio 5 : 8 and another alloy contains gold and silver in the ratio 5 : 3. If equal amount of both the alloys are melted together, then the ratio of gold and silver in the resulting alloy is ? 2832 05b5cc67be4d2b4197774c1eb
5b5cc67be4d2b4197774c1eb- 1113/108false
- 2105/103true
- 3108/115false
- 4103/113false
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उत्तर : 2. "105/103"
व्याख्या :
Answer: B) 105/103 Explanation: As given equal amounts of alloys are melted, let it be 1 kg. Required ratio of gold and silver = 513 + 58813 + 38 = 105103. Hence, ratio of gold and silver in the resulting alloy = 105/103.
प्र: Which 'Water Body' separates Andaman and Nicobar Islands ? 2831 05b5cc6dbe4d2b4197774e8e6
5b5cc6dbe4d2b4197774e8e6- 1Eleventh Degree Channelfalse
- 2Andaman Seafalse
- 3Bay of Bengalfalse
- 4Ten Degree Channeltrue
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उत्तर : 4. "Ten Degree Channel"
व्याख्या :
Answer: D) Ten Degree Channel Explanation:
प्र: Statements : In a recent survey report, it has been stated that those who undertake physical exercise for at least half an hour a day are less prone to have any heart ailments. Conclusions : a) Moderate level of physical exercise is necessary for leading a healthy life.b) All people who do desk-bound jobs definitely suffer from heart ailments. 2831 05b5cc745e4d2b4197774fa31
5b5cc745e4d2b4197774fa31- 1Only a followstrue
- 2Both a & b followsfalse
- 3Only b followsfalse
- 4Neither a nor b followsfalse
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उत्तर : 1. "Only a follows"
व्याख्या :
Answer: A) Only a follows Explanation: The statement mentions that chances of heart ailments are greatly reduced by a regular half-hour exercise. So, a follows. However, it talks of only reducing the probability which does not mean that persons involved in sedentary jobs shall definitely suffer from heart ailments. So, b does not follow. Hence, concusion a only follows the given statement.
प्र: An area of dead myocardial tissue is called 2828 05b5cc6abe4d2b4197774d043
5b5cc6abe4d2b4197774d043- 1an infarcttrue
- 2stenosisfalse
- 3an indurationfalse
- 4hypertrophyfalse
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उत्तर : 1. "an infarct"
व्याख्या :
Answer: A) an infarct Explanation: An area of dead myocardial tissue is called an infarct.
प्र: Fish and other aquatic creatures can live inside a deep frozen pond because 2826 05b5cc7b6e4d2b41977750905
5b5cc7b6e4d2b41977750905- 1fish are cold-blooded animalsfalse
- 2ice is a bad conductor of heatfalse
- 3there will always be water just beneath the ice leveltrue
- 4they can adapt themselves to live in icefalse
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उत्तर : 3. "there will always be water just beneath the ice level"
व्याख्या :
Answer: C) there will always be water just beneath the ice level Explanation: Water has the maximum density at 4oC. So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at 4oC . Therefore, (C) is correct.
प्र: फुफ्फुस गुहा में वायु को न्यूमोथोरैक्स कहा जाता है। 2824 05b5cc607e4d2b4197774b516
5b5cc607e4d2b4197774b516- 1TRUEtrue
- 2FALSEfalse
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उत्तर : 1. "TRUE"
व्याख्या :
Answer: A) TRUE Explanation: फुफ्फुस स्थान में वायु या गैस का निर्माण हो सकता है और जब ऐसा होता है, तो इसे न्यूमोथोरैक्स कहा जाता है। अतः दिया गया कथन सत्य है।
प्र: System Study involves 2823 05b5cc69be4d2b4197774c7d9
5b5cc69be4d2b4197774c7d9- 1documenting the existing systemfalse
- 2identifying current deficiencies and establishing new goalsfalse
- 3study of an existing systemfalse
- 4All the abovetrue
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उत्तर : 4. "All the above"
व्याख्या :
Answer: D) All the above Explanation:

