IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: 18 tens 20 ones = 1588 05b5cc688e4d2b4197774c34b
5b5cc688e4d2b4197774c34b- 11820false
- 2180false
- 3200true
- 4160false
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उत्तर : 3. "200"
व्याख्या :
Answer: C) 200 Explanation: 18 tens 20 ones, the given stateent can be split into 18 tens = 18 x 10 = 180 20 ones = 20 x 1 = 20 Then add both => 180 + 20 = 200 Hence, 18 tens 20 ones = 200.
प्र: Cobalt 60 is used for cancer treatment it emmits which rays? 1588 05b5cc697e4d2b4197774c5c5
5b5cc697e4d2b4197774c5c5- 1Alphafalse
- 2Betafalse
- 3Gammatrue
- 4X raysfalse
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उत्तर : 3. "Gamma"
व्याख्या :
Answer: C) Gamma Explanation: Cobalt therapy or cobalt-60 therapy is the medical use of gamma rays from the radioisotope cobalt-60 to treat conditions such as cancer. Cobalt 60 is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. It is produced artificially in nuclear reactors.
प्र: Which country's Parliament became first in the world to run fully on solar energy ? 1588 05b5cc6d5e4d2b4197774e5fc
5b5cc6d5e4d2b4197774e5fc- 1Japanfalse
- 2Pakistantrue
- 3Chinafalse
- 4Myanmarfalse
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उत्तर : 2. "Pakistan"
व्याख्या :
Answer: B) Pakistan Explanation:
प्र: Two numbers are 35% and 42% are less than a third number .How much percent is the second number less than the first ? 1587 05b5cc6dce4d2b4197774e96f
5b5cc6dce4d2b4197774e96f- 110.769 %true
- 211.23 %false
- 310.4 %false
- 49.87 %false
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उत्तर : 1. "10.769 %"
व्याख्या :
Answer: A) 10.769 % Explanation: I II III 65 58 100 65 -------- 7100 ------ ? => 10.769%
प्र: Find the remainder when 629 is divided by 5 ? 1586 05b5cc718e4d2b4197774f4ae
5b5cc718e4d2b4197774f4ae- 10false
- 21true
- 33false
- 45false
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उत्तर : 2. "1"
व्याख्या :
Answer: B) 1 Explanation: All powers of 6 has 6 in units place so answer will definitely be 1.
प्र: Which of these is Not a Carcinogen? 1586 05b5cc6afe4d2b4197774d273
5b5cc6afe4d2b4197774d273- 1Cadmiumfalse
- 2Asbestosfalse
- 3Benzenefalse
- 4All the abovetrue
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उत्तर : 4. "All the above"
व्याख्या :
Answer: D) All the above Explanation: Asbestos can cause Lungs Gastrointestinal tract types of Cancer. Benzene can cause Leukemia Hodgkin's lymphoma types of Cancer. Cadmium can cause Prostate type of Cancer.
प्र: Plants mainly receive their nutrients from 1585 05b5cc6bbe4d2b4197774d863
5b5cc6bbe4d2b4197774d863- 1Sun lightfalse
- 2Soiltrue
- 3Pesticidesfalse
- 4Chlorophyllfalse
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उत्तर : 2. "Soil"
व्याख्या :
Answer: B) Soil Explanation: Plants receive their nutrients mainly from Soil. Because Soil contains all Minerals, Water, Humus and some useful Microbes which are responsible for the proper Growth of the Plants.
प्र: Bacteria divide by 1584 05b5cc6a6e4d2b4197774cde8
5b5cc6a6e4d2b4197774cde8- 1Binary Fissiontrue
- 2Spirillafalse
- 3RNAfalse
- 4Fusionfalse
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उत्तर : 1. "Binary Fission"
व्याख्या :
Answer: A) Binary Fission Explanation: Bacteria divided and reproduce by Binary fission. In this process, the bacterium, which is a single cell, divides into two identical daughter cells. Binary fission begins when the DNA of the bacterium divides into two replicates.

