IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A Disease which spreads by contact? 1849 15b5cc6afe4d2b4197774d211
5b5cc6afe4d2b4197774d211- 1Infectiousfalse
- 2Fatalfalse
- 3Incurablefalse
- 4Contagioustrue
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 4. "Contagious"
व्याख्या :
Answer: D) Contagious Explanation: A Disease which spreads by contact are Contagious. Infectious diseases : These are caused by microscopic germs such as bacteria or viruses that get into the body and cause problems. Some but not all infectious diseases spread directly from one person to another. Infectious diseases that spread from person to person are said to be contagious. Some infections spread to people from an animal or insect, but are not contagious from another human. Contagious diseases such as the flu, colds, or strep throat spread from person to person in several ways. One way is through direct physical contact, like touching or kissing a person who has the infection. Another way is when an infectious microbe travels through the air after someone nearby sneezes or coughs. Fatal Diseases : Diseases leading to failure or disaster. Incurable Diseases : Diseases of a sick person not able to be cured.
प्र: The Hardest substance available on Earth is 1716 05b5cc6afe4d2b4197774d216
5b5cc6afe4d2b4197774d216- 1Diamondtrue
- 2Wurtzitefalse
- 3Platinumfalse
- 4Goldfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "Diamond"
व्याख्या :
Answer: A) Diamond Explanation: Diamond is the hardest substance available on Earth. Diamond is the hardest substance available on Earth due to the giant molecular structure of diamond in which each carbon atom is covalently bonded to four other carbon atoms. A covalent bond is very strong and requires a large amount of energy to break itself, and diamond has many covalent bonds.
प्र: Which of the following statements is correct? 1893 05b5cc6afe4d2b4197774d20b
5b5cc6afe4d2b4197774d20b- 1I am very happy to start this Programtrue
- 2I am too happy to start this Programfalse
- 3Both A & Bfalse
- 4Nonefalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "I am very happy to start this Program"
व्याख्या :
Answer: A) I am very happy to start this Program Explanation: Here I am very happy to start this Program is correct statement. "Too" is not used with pleasant adjectives. It means 'more than required' and is usually used with unpleasant adjectives. So, 'too healthy', 'too happy', 'too glad' etc are wrong.
प्र: Electrical Pressure is also called 1770 05b5cc6afe4d2b4197774d200
5b5cc6afe4d2b4197774d200- 1Currentfalse
- 2Voltagetrue
- 3Resistancefalse
- 4Powerfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "Voltage"
व्याख्या :
Answer: B) Voltage Explanation: Electrical Pressure is also called as Voltage. Voltage is measured in Volts. Volt : A unit of electrical pressure or Voltage is called Volt. One volt is the amount of pressure required to cause one ampere of current to flow against one ohm of resistance. Voltage is also referred to as Electromotive Force or Electrical Potential or Electrical Pressure.
प्र: Cup is to Coffee as Bowl is to 2293 05b5cc6afe4d2b4197774d206
5b5cc6afe4d2b4197774d206- 1Souptrue
- 2Foodfalse
- 3Forkfalse
- 4Mugfalse
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उत्तर : 1. "Soup"
व्याख्या :
Answer: A) Soup Explanation: Cup : Coffee :: Bowl : Soup Because Coffee goes into a Cup and Soup goes into a Bowl where Food is a general thing and Mug is an other utensil. So, Cup is to Coffee as Bowl is to Soup.
प्र: What has One Eye Yet cannot See? 1930 05b5cc6afe4d2b4197774d1f6
5b5cc6afe4d2b4197774d1f6- 1One-eyed Jackfalse
- 2A Needletrue
- 3Blind Justicefalse
- 4Hurricane eyefalse
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उत्तर : 2. "A Needle"
व्याख्या :
Answer: B) A Needle Explanation: What has one eye yet cannot see is An Eye of a Needle. A needle has an eye through which we thread it but it is not for seeing.
प्र: Diego Garcia is 1475 05b5cc6afe4d2b4197774d1fb
5b5cc6afe4d2b4197774d1fb- 1An Islandfalse
- 2A Countryfalse
- 3An Oceanfalse
- 4Nonetrue
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उत्तर : 4. "None"
व्याख्या :
Answer: D) None Explanation: Diego Garcia is a chain of Islands in the Indian ocean with large military base under British Indian Ocean Territory. The U.S. military facility on the island of Diego Garcia in the Indian Ocean represents a horrific example of the human costs of war and imperialism.
प्र: When was the Internet available to the Public? 1480 05b5cc6afe4d2b4197774d1ec
5b5cc6afe4d2b4197774d1ec- 11970false
- 21980false
- 31990true
- 42000false
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उत्तर : 3. "1990"
व्याख्या :
Answer: C) 1990 Explanation: Internet service providers (ISP's) emerged in the late 1980's and early 1990's. The ARPANET was decommissioned in 1990. By 1995, the Internet was fully commercialized in the U.S., when the NSFNet was decommissioned, removing the last restrictions on use of the Internet to carry commercial traffic.

