Basic Science Practice Question and Answer

Q:

The level of sound during normal conversation is

750 0

  • 1
    20 db
    Correct
    Wrong
  • 2
    40 db
    Correct
    Wrong
  • 3
    60 db
    Correct
    Wrong
  • 4
    80 db
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "60 db"

Q:

Dry ice is solid.

750 0

  • 1
    Carbon monoxide
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Sulfur dioxide
    Correct
    Wrong
  • 4
    Hydrogen peroxide
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Carbon dioxide"

Q:

The food substances which get oxidised easily can be kept for longer duration by adding

749 0

  • 1
    oxygen and keeping them in sun for few days
    Correct
    Wrong
  • 2
    nitrogen and keeping them in sun for few days
    Correct
    Wrong
  • 3
    oxygen and keeping them in airtight containers
    Correct
    Wrong
  • 4
    nitrogen and keeping them in airtight containers
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "nitrogen and keeping them in airtight containers"

Q:

Which of the following acids is used in car batteries?

748 0

  • 1
    Nitric acid
    Correct
    Wrong
  • 2
    Hydrochloric acid
    Correct
    Wrong
  • 3
    Sulphuric acid
    Correct
    Wrong
  • 4
    Hydrofloric acid
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Sulphuric acid"

Q:

Rust on iron?

745 0

  • 1
    ferric oxide
    Correct
    Wrong
  • 2
    Hydrated ferrous and ferric oxide
    Correct
    Wrong
  • 3
    Alkali ferrous and ferric carbonate
    Correct
    Wrong
  • 4
    Because of all of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Because of all of the above"

Q:

Basic scientific principle behind a nuclear reactor is

738 0

  • 1
    Nuclear fusion
    Correct
    Wrong
  • 2
    Controlled nuclear fusion
    Correct
    Wrong
  • 3
    Uncontrolled nuclear fission
    Correct
    Wrong
  • 4
    Controlled nuclear fission
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Controlled nuclear fission"

Q:

Speed of sound is maximum?

731 0

  • 1
    in air
    Correct
    Wrong
  • 2
    In water
    Correct
    Wrong
  • 3
    in vacuum
    Correct
    Wrong
  • 4
    Steel
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Steel"

Q:

Which of the following nutrients do NOT provide energy for animals?

728 0

  • 1
    Fats
    Correct
    Wrong
  • 2
    Carbohydrates
    Correct
    Wrong
  • 3
    Minerals
    Correct
    Wrong
  • 4
    Proteins
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Minerals"

      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