IIT JEE Practice Question and Answer
8Q: Which Noble Gas has the highest First Ionization Energy? 898 05b5cc6b0e4d2b4197774d298
5b5cc6b0e4d2b4197774d298- 1Neonfalse
- 2Heliumtrue
- 3Argonfalse
- 4Xenonfalse
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Answer : 2. "Helium"
Explanation :
Answer: B) Helium Explanation: Helium has the highest First Ionization Energy in the Noble Gases group. Ionization Energy :: Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells. Noble Gases have a very stable electron configuration, therefore, they have the highest amount of ionization energy within their periods. It decreases down a family because electrons farther from the nucleus are easier to remove. Ionization Energy levels of Noble Gases group in Descending Order :: He, Ne, Ar, Kr, Xe, Rn
Q: What does the legislative branch do? 896 05b5cc61ee4d2b4197774b792
5b5cc61ee4d2b4197774b792- Show AnswerHide Answer
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Answer :
Explanation :
In federal and state government, the legislative branch's primary function is to make laws.
Q: A tap can fill a tank in 6 hours. After half the tank is filled three more similar taps are opened. What is the total time taken to fill the tank completely ? 895 05b5cc6dae4d2b4197774e8be
5b5cc6dae4d2b4197774e8be- 14 hrs 15 minfalse
- 23 hrs 24 minfalse
- 34 hrs 51 minfalse
- 43 hrs 45 mintrue
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Answer : 4. "3 hrs 45 min"
Explanation :
Answer: D) 3 hrs 45 min Explanation: Time taken by one tap to fill half of the tank = 3 hrs. Part filled by the taps in 1 hour = 4 x 1/6 = 2/3 Remaining part = 1 - 1/2 = 1/2 2/3 : 1/2 :: 1 : p p = 1/2 x 1 x 3/2 = 3/4 hrs. i.e., 45 min So, total time taken = 3 hrs 45 min.
Q: What is the 2017 theme of International Day for Biodiversity (IDB) ? 893 05b5cc6dce4d2b4197774e9b5
5b5cc6dce4d2b4197774e9b5- 1B) ? A)true
- 2? A) Biodiversity and Sustainable Tourism B) Invasive Alien Speciesfalse
- 3Biodiversity and Agriculturefalse
- 4Convention on Biological Diversityfalse
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Answer : 1. "B) ?
A)"
Explanation :
Answer: A) Biodiversity and Sustainable Tourism Explanation: The International Day for Biological Diversity (IDB) is observed every year on May 22 to increase understanding and awareness of biodiversity issues. The 2017 theme “Biodiversity and Sustainable Tourism” provides an opportunity to raise awareness and action towards the important contribution of sustainable tourism both to economic growth and to the conservation and sustainable use of biodiversity.
Q: The Human Resource Development Ministry and the External Affairs Ministry launched an online verification portal ___________ to make the document verification process easier. 892 05b5cc6dbe4d2b4197774e8f0
5b5cc6dbe4d2b4197774e8f0- 1e-bharatfalse
- 2e-sanadtrue
- 3e-foriegnfalse
- 4e-verifyfalse
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Answer : 2. "e-sanad"
Explanation :
Answer: B) e-sanad Explanation: The Human Resource Development Ministry and the External Affairs Ministry launched an online verification portal to make the document verification process easier for students who planning to study abroad. The Central Board of Secondary Education’s (CBSE) academic repository of degrees and certificates “Parinam Manjusha” was also involved in the project of creating “eSanad”.
Q: Which of the following is the world's most poisonous snake called Hydrophis ? 891 05b5cc6c5e4d2b4197774dd96
5b5cc6c5e4d2b4197774dd96- 1Adderfalse
- 2Boafalse
- 3Cobrafalse
- 4Sea Snaketrue
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Answer : 4. "Sea Snake"
Explanation :
Answer: D) Sea Snake Explanation:
Q: What is consumption disease in the 19th century? 890 05b5cc6b6e4d2b4197774d5c8
5b5cc6b6e4d2b4197774d5c8- 1Tuberculosistrue
- 2Paralysisfalse
- 3Plaguefalse
- 4Cholerafalse
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Answer : 1. "Tuberculosis"
Explanation :
Answer: A) Tuberculosis Explanation: Tuberculosis (TB) was the leading cause of death in the United States and one of the most feared diseases in the world during the 19th and early 20th centuries. Formerly known as Consumption diseases because many types of lung diseases were lumped under the term 'consumption'. Lung cancer and bronchitis were examples.
Q: Israel’s Rafael Defense Systems ltd has formed a joint venture with ________ to produce anti-tank guided missiles for the Indian armed forces. 889 05b5cc6cce4d2b4197774e181
5b5cc6cce4d2b4197774e181- 1Goa Shipyardfalse
- 2Hindustan Aeronautics Limitedfalse
- 3Kalyani Grouptrue
- 4Hindustan Aeronautics Limitedfalse
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Answer : 3. "Kalyani Group"
Explanation :
Answer: C) Kalyani Group Explanation: