IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: A Disease which spreads by contact? 1849 1

  • 1
    Infectious
    सही
    गलत
  • 2
    Fatal
    सही
    गलत
  • 3
    Incurable
    सही
    गलत
  • 4
    Contagious
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    Diamond
    सही
    गलत
  • 2
    Wurtzite
    सही
    गलत
  • 3
    Platinum
    सही
    गलत
  • 4
    Gold
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    I am very happy to start this Program
    सही
    गलत
  • 2
    I am too happy to start this Program
    सही
    गलत
  • 3
    Both A & B
    सही
    गलत
  • 4
    None
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    Current
    सही
    गलत
  • 2
    Voltage
    सही
    गलत
  • 3
    Resistance
    सही
    गलत
  • 4
    Power
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    Soup
    सही
    गलत
  • 2
    Food
    सही
    गलत
  • 3
    Fork
    सही
    गलत
  • 4
    Mug
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    One-eyed Jack
    सही
    गलत
  • 2
    A Needle
    सही
    गलत
  • 3
    Blind Justice
    सही
    गलत
  • 4
    Hurricane eye
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    An Island
    सही
    गलत
  • 2
    A Country
    सही
    गलत
  • 3
    An Ocean
    सही
    गलत
  • 4
    None
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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 0

  • 1
    1970
    सही
    गलत
  • 2
    1980
    सही
    गलत
  • 3
    1990
    सही
    गलत
  • 4
    2000
    सही
    गलत
  • उत्तर देखेंउत्तर छिपाएं
  • Workspace

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.

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई

      त्रुटि की रिपोर्ट करें

    कृपया संदेश दर्ज करें
    त्रुटि रिपोर्ट सफलतापूर्वक जमा हुई