IIT JEE Practice Question and Answer

Q: The basic unit of the nervous system is the 1419 0

  • 1
    Lymphs
    Correct
    Wrong
  • 2
    Nephrons
    Correct
    Wrong
  • 3
    Nerves
    Correct
    Wrong
  • 4
    Neurons
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Neurons"
Explanation :

Answer: D) Neurons Explanation: The basic unit of the nervous system is the Neurons.   The neuron is a single nerve cell, and you have billions of them. There are three basic types of neurons:: 1. Association, 2. Afferent  and 3. Efferent. The association neurons comprise the central nervous system (CNS) that is the brain and spinal cord. The afferent neurons are also known as the sensory neurons, they bring the stimuli from the sensors (e.g., skin, eyes, ears) to the CNS. The efferent neurons are also known as motor neurons, they bring the responses from the brain to the muscles and the glands.

Q: The Largest country of the World by Geographical Area is 1419 0

  • 1
    China
    Correct
    Wrong
  • 2
    United States of America
    Correct
    Wrong
  • 3
    Russia
    Correct
    Wrong
  • 4
    Australia
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Russia"
Explanation :

Answer: C) Russia Explanation: Russia is the Largest country of the World by Geographical Area.   Top 10 largest countries of the World : 1. Russia 2. Canada 3. United States of America 4. China 5. Brazil 6. Australia 7. India 8. Argentina 9. Kazakhstan 10. Algeria   When all 10 of the world's largest countries are taken together, they total 49% of the earth's entire 149 million square kilometres of land.

Q: What is the value of 28 tens? 1419 0

  • 1
    28
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    2800
    Correct
    Wrong
  • 4
    280
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "280"
Explanation :

Answer: D) 280 Explanation: Here asked for the value of 28 tens => 28 x 10 = 280.

Q: About 4 out of 5 students are left handed. If there are totally 40 students in an class. How many would be left handed ? 1418 0

  • 1
    40
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    32
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "32"
Explanation :

Answer: C) 32 Explanation: Probability of left handed = 4/5total student = 40total left handed = 40 x(4/5)= 32

Q: Internet was started in India on ? 1418 0

  • 1
    8 August,1994
    Correct
    Wrong
  • 2
    15 August,1995
    Correct
    Wrong
  • 3
    9 August,1995
    Correct
    Wrong
  • 4
    7 August,1996
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "15 August,1995"
Explanation :

Answer: B) 15 August,1995 Explanation:

Q: Crack the Relation Logical Puzzle ? 1418 0

  • 1
    Son
    Correct
    Wrong
  • 2
    Himself
    Correct
    Wrong
  • 3
    Father
    Correct
    Wrong
  • 4
    Uncle
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Father"
Explanation :

Answer: C) Father Explanation: Man's Father is Madhu's Father's Son => Madhu itself. So the Man in the photograph is Madhu's son.

Q: At what rate percent on simple interest will Rs.415 amount to Rs.514 in 4 years  ? 1418 0

  • 1
    4.58 %
    Correct
    Wrong
  • 2
    5.96 %
    Correct
    Wrong
  • 3
    6.52 %
    Correct
    Wrong
  • 4
    4.98 %
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "5.96 %"
Explanation :

Answer: B) 5.96 % Explanation: Difference in amount = 514 - 415 = 99 99 = (415 x 4 x R)/100 R = 5.96%

Q: A merchant commences with a certain capital and gains annually at the rate of 30 per cent. At the end of 2 years he has worth Rs 10,000. What was the original capital? 1418 0

  • 1
    Rs. 4987
    Correct
    Wrong
  • 2
    Rs. 5148
    Correct
    Wrong
  • 3
    Rs. 5917
    Correct
    Wrong
  • 4
    Rs. 6254
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Rs. 5917"
Explanation :

Answer: C) Rs. 5917 Explanation: Let the Original capital amount be Rs. P Given after 2 years the amount is Rs. 10000 Rate of interest = 30% According to the question, P x 130100 x 130100 = 10000=> P = 1000000169 = 5917 Therefore, the capital amount P = Rs. 5917

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully