IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: The Union Territories get representation in 1480 05b5cc6bae4d2b4197774d7bc
5b5cc6bae4d2b4197774d7bc- 1Lok Sabhafalse
- 2Rajya Sabhafalse
- 3Both A & Btrue
- 4Supreme Courtfalse
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उत्तर : 3. "Both A & B"
व्याख्या :
Answer: C) Both A & B Explanation: The Union Territories get representation in Both the houses of Parliament i.e, The Lok Sabha and The Rajya Sabha.
प्र: One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn find the probability the card drawn is red. 1479 05b5cc6c8e4d2b4197774df1e
5b5cc6c8e4d2b4197774df1e- 12/3false
- 21/2true
- 31/52false
- 413/51false
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उत्तर : 2. "1/2"
व्याख्या :
Answer: B) 1/2 Explanation: We know that: When one card is drawn from a pack of 52 cards The numbers of possible outcomes n(s) = 52 We know that there are 26 red cards in the pack of 52 cards⇒ The numbers of favorable outcomes n(E) = 26 Probability of occurrence of an event: P(E)=Number of favorable outcomes/Numeber of possible outcomes=n(E)/n(S) ∴ required probability = 26/52 = 1/2.
प्र: A tank is filled in eight hours by three pipes K, L and M. Pipe K is twice as fast as pipe L, and L is twice as fast as M. How much time will pipe L alone take to fill the tank ? 1479 05b5cc6dfe4d2b4197774eaee
5b5cc6dfe4d2b4197774eaee- 132 hrsfalse
- 224 hrsfalse
- 328 hrstrue
- 426 hrsfalse
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उत्तर : 3. "28 hrs"
व्याख्या :
Answer: C) 28 hrs Explanation: 1/K + 1/L + 1/M = 1/8 (Given)Also given that K = 2L and L = 2M=> 1/2L + 1/L + 2/L = 1/8=> (1 + 2 + 4)/2L = 1/8=> 2L/7 = 8=> L = 28 hours.
प्र: What part of the atom has a positive charge? 1479 05b5cc694e4d2b4197774c4c6
5b5cc694e4d2b4197774c4c6- 1Neutronfalse
- 2Protontrue
- 3Electronfalse
- 4All the abovefalse
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उत्तर : 2. "Proton"
व्याख्या :
Answer: B) Proton Explanation: Protons carry a positive electrical charge, electrons carry a negative electrical charge and neutrons carry no electrical charge at all. The protons and neutrons cluster together in the central part of the atom, called the nucleus, and the electrons 'orbit' the nucleus.
प्र: A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period. Therefore the interest received is more by Rs. 840. Find the sum ? 1477 05b5cc6e2e4d2b4197774ec39
5b5cc6e2e4d2b4197774ec39- 1Rs. 5858false
- 2Rs. 8800false
- 3Rs. 7000true
- 4Rs. 6350false
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उत्तर : 3. "Rs. 7000"
व्याख्या :
Answer: C) Rs. 7000 Explanation: Let the sum be Rs. S.(S x 18 x 2)/100 - (S x 12 x 2)/100 = 840 => 36S/100 - 24S/100 = 840 => 12S/100 = 840 => S = 7000.
प्र: Commissioned - Antonym 1477 05b5cc658e4d2b4197774bdb8
5b5cc658e4d2b4197774bdb8- 1Instructfalse
- 2Empowerfalse
- 3Nominatefalse
- 4Dismisstrue
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उत्तर : 4. "Dismiss"
व्याख्या :
Answer: D) Dismiss Explanation: Commissioned means Authority granted for a particular action or function. Here, in the given options Dismiss is the only word which is opposite in meaning to commissioned. Hence, Antonym of Commissioned is Dismiss.
प्र: Wilhelm I was declared kaiser of Germany in 1476 05b5cc67be4d2b4197774c209
5b5cc67be4d2b4197774c209- 11797false
- 21841false
- 31871true
- 41914false
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उत्तर : 3. "1871"
व्याख्या :
Answer: C) 1871 Explanation: In Germany, Kaiser means 'Emperor'. On 18th January, 1871 Wilhelm I was declared as Kaiser of Germany.
प्र: Which of the following is present in a prokaryotic cell? 1475 05b5cc6a4e4d2b4197774cc90
5b5cc6a4e4d2b4197774cc90- 1Ribosomestrue
- 2Chloroplastfalse
- 3Mitochondriafalse
- 4Nonefalse
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उत्तर : 1. "Ribosomes"
व्याख्या :
Answer: A) Ribosomes Explanation: Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.

