IIT JEE Practice Question and Answer

Q: A Disease which spreads by contact? 1848 1

  • 1
    Infectious
    Correct
    Wrong
  • 2
    Fatal
    Correct
    Wrong
  • 3
    Incurable
    Correct
    Wrong
  • 4
    Contagious
    Correct
    Wrong
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Answer : 4. "Contagious"
Explanation :

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.

Q: The Hardest substance available on Earth is 1716 0

  • 1
    Diamond
    Correct
    Wrong
  • 2
    Wurtzite
    Correct
    Wrong
  • 3
    Platinum
    Correct
    Wrong
  • 4
    Gold
    Correct
    Wrong
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Answer : 1. "Diamond"
Explanation :

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.

Q: Which of the following statements is correct? 1893 0

  • 1
    I am very happy to start this Program
    Correct
    Wrong
  • 2
    I am too happy to start this Program
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "I am very happy to start this Program"
Explanation :

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.

Q: Electrical Pressure is also called 1770 0

  • 1
    Current
    Correct
    Wrong
  • 2
    Voltage
    Correct
    Wrong
  • 3
    Resistance
    Correct
    Wrong
  • 4
    Power
    Correct
    Wrong
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Answer : 2. "Voltage"
Explanation :

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.

Q: Cup is to Coffee as Bowl is to 2293 0

  • 1
    Soup
    Correct
    Wrong
  • 2
    Food
    Correct
    Wrong
  • 3
    Fork
    Correct
    Wrong
  • 4
    Mug
    Correct
    Wrong
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Answer : 1. "Soup"
Explanation :

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.

Q: What has One Eye Yet cannot See? 1930 0

  • 1
    One-eyed Jack
    Correct
    Wrong
  • 2
    A Needle
    Correct
    Wrong
  • 3
    Blind Justice
    Correct
    Wrong
  • 4
    Hurricane eye
    Correct
    Wrong
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Answer : 2. "A Needle"
Explanation :

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.

Q: Diego Garcia is 1475 0

  • 1
    An Island
    Correct
    Wrong
  • 2
    A Country
    Correct
    Wrong
  • 3
    An Ocean
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 4. "None"
Explanation :

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.

Q: When was the Internet available to the Public? 1480 0

  • 1
    1970
    Correct
    Wrong
  • 2
    1980
    Correct
    Wrong
  • 3
    1990
    Correct
    Wrong
  • 4
    2000
    Correct
    Wrong
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Answer : 3. "1990"
Explanation :

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.

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