IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: What organelle is responsible for photosynthesis? 1356 05b5cc62ce4d2b4197774b929
5b5cc62ce4d2b4197774b929- 1mitochondriafalse
- 2Cytoplasmfalse
- 3Chloroplaststrue
- 4Ribosomesfalse
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उत्तर : 3. "Chloroplasts"
व्याख्या :
Answer: C) Chloroplasts Explanation: Chloroplasts are organelles in plant and bacteria cells that contain the chlorophyll is responsible for photosynthesis.
प्र: What is the number that should come in the place of question mark ? 1050 420 168 67.2 ? 1355 05b5cc741e4d2b4197774f9c2
5b5cc741e4d2b4197774f9c2- 119.11false
- 214.25false
- 310.752false
- 426.88true
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उत्तर : 4. "26.88"
व्याख्या :
Answer: D) 26.88 Explanation: Given series follows the rule of 1050/2.5 = 420420/2.5 = 168168/2.5 = 67.2so 67.2/2.5 = 26.88
प्र: Two dice are rolled simultaneously. Find the probability of getting the sum of numbers on the on the two faces divisible by 3 or 4? 1355 05b5cc6bbe4d2b4197774d811
5b5cc6bbe4d2b4197774d811- 13/7false
- 27/11false
- 35/9true
- 46/13false
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उत्तर : 3. "5/9"
व्याख्या :
Answer: C) 5/9 Explanation: Here n(S) = 6 x 6 = 36 E={(1,2),(1,5),(2,1),(2,4),(3,3),(3,6),(4,2),(4,5),(5,1),(5,4),(6,3) ,(6,6),(1,3),(2,2),(2,6),(3,1),(3,5), (4,4),(5,3),(6,2)} => n(E)=20 Required Probability n(P) = n(E)/n(S) = 20/36 = 5/9.
प्र: Which of the following is a polymer? 1353 05b5cc695e4d2b4197774c51b
5b5cc695e4d2b4197774c51b- 1Glycerolfalse
- 2Amino acidfalse
- 3Nucleic acidtrue
- 4Fatty acidfalse
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उत्तर : 3. "Nucleic acid"
व्याख्या :
Answer: C) Nucleic acid Explanation: Nucleic acid is a polymer among the given options.
प्र: Keoladeo National Park is situated in which state? 1352 05b5cc6a6e4d2b4197774cdc5
5b5cc6a6e4d2b4197774cdc5- 1Jharkandfalse
- 2Rajasthantrue
- 3Madhya Pradeshfalse
- 4Uttar Pradeshfalse
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उत्तर : 2. "Rajasthan"
व्याख्या :
Answer: B) Rajasthan Explanation:
प्र: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is ? 1352 05b5cc6ebe4d2b4197774ee64
5b5cc6ebe4d2b4197774ee64- 11false
- 21/2true
- 30false
- 43/5false
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उत्तर : 2. "1/2"
व्याख्या :
Answer: B) 1/2 Explanation: The number of exhaustive outcomes is 36.Let E be the event of getting an even number on one die and an odd number on the other. Let the event of getting either both even or both odd then = 18/36 = 1/2P(E) = 1 - 1/2 = 1/2.
प्र: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1351 05b5cc669e4d2b4197774bf3b
5b5cc669e4d2b4197774bf3b- 11st March 2018false
- 21st April 2018true
- 31st May 2018false
- 41st January 2018false
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उत्तर : 2. "1st April 2018"
व्याख्या :
Answer: B) 1st April 2018 Explanation: As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).
प्र: What has 4 Eyes But cannot see? 1351 05b5cc6aee4d2b4197774d15d
5b5cc6aee4d2b4197774d15d- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
What has 4 Eyes But cannot see is Mississippi. The wording of Mississippi has 4 'i''s. But it can't see.

