IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which elements are most abundant in living organisms? 1715 05b5cc698e4d2b4197774c60e
5b5cc698e4d2b4197774c60e- 1oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorustrue
- 2carbon, potassium, iron, magnesium, hydrogen, and nitrogenfalse
- 3hydrogen, carbon, calcium, potassium, oxygen, and phosphorusfalse
- 4oxygen, calcium, phosphorus, sodium, hydrogen, and carbonfalse
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उत्तर : 1. "oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus"
व्याख्या :
Answer: A) oxygen, nitrogen, carbon, hydrogen, sulfur, and phosphorus Explanation: Living organisms often contain trace amounts of several elements, but the most abundant ones are oxygen, carbon, hydrogen, nitrogen, calcium, sulphur and phosphorus.
प्र: 5x - 6 = 3x - 8 Solve the above equation. 1714 05b5cc63de4d2b4197774baf3
5b5cc63de4d2b4197774baf3- 12false
- 2-1true
- 3-2false
- 41false
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उत्तर : 2. "-1"
व्याख्या :
Answer: B) -1 Explanation: Given 5x - 6 = 3x - 8 5x - 3x = -8 + 6 2x = -2 => x = -1.
प्र: What fields did progressives aim to reform? 1714 05b5cc615e4d2b4197774b6bf
5b5cc615e4d2b4197774b6bf- 1workplace conditionsfalse
- 2educationfalse
- 3governmentfalse
- 4All of the abovetrue
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उत्तर : 4. "All of the above"
व्याख्या :
Answer: D) All of the above Explanation:
प्र: Which one of the following is often called "Twitter of China" ? 1714 05b5cc6c1e4d2b4197774db91
5b5cc6c1e4d2b4197774db91- 1Youkufalse
- 2Sina weibotrue
- 3We chatfalse
- 4Nonefalse
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उत्तर : 2. "Sina weibo"
व्याख्या :
Answer: B) Sina weibo Explanation:
प्र: What is the first step when supervising detainee operations? 1713 05b5cc622e4d2b4197774b7d3
5b5cc622e4d2b4197774b7d3- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
The first step is to disarm and secure detainees when supervising detainee operations.
प्र: What does the term Jim Crow refer to? 1713 05b5cc64ae4d2b4197774bc51
5b5cc64ae4d2b4197774bc51- 1the civil rights movement of the mid-twentieth centuryfalse
- 2northern whites who sympathized with African Americansfalse
- 3African American politicians during Reconstructionfalse
- 4the system of racial segregation in the South after Reconstructiontrue
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उत्तर : 4. "the system of racial segregation in the South after Reconstruction"
व्याख्या :
Answer: D) the system of racial segregation in the South after Reconstruction Explanation:
प्र: International Day of Happiness is celebrated throughout the world on ? 1712 05b5cc711e4d2b4197774f3eb
5b5cc711e4d2b4197774f3eb- 121st Marchfalse
- 223rd Marchfalse
- 320th Marchtrue
- 419th Marchfalse
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उत्तर : 3. "20th March"
व्याख्या :
Answer: C) 20th March Explanation: The International Day of Happiness (known as Happiness Day) is celebrated throughout the world on the 20th of March. The International Day of Happiness was founded on June 28, 2012, by the United Nations General Assembly when all 193 member states unanimously adopted UN resolution 66/281. It was celebrated for the first time in 2013.
प्र: The percentage of irrigated land in India is about 1712 05b5cc6bae4d2b4197774d7b2
5b5cc6bae4d2b4197774d7b2- 166%false
- 235%true
- 371%false
- 422%false
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उत्तर : 2. "35%"
व्याख्या :
Answer: B) 35% Explanation: According to World Bank Indicator India - Land use: Agriculture Land - 1797090 sq. Km (about 60.4%). Forest Area - 677598 sq. Km. (about 22.08%). Agriculture Irrigated land - 35 %.