Basic Science Practice Question and Answer

Q:

Potato canker has black canker and black pan / colloid factor?

1715 0

  • 1
    two fungi
    Correct
    Wrong
  • 2
    A fungus and a bacterium
    Correct
    Wrong
  • 3
    a fungus
    Correct
    Wrong
  • 4
    A fungus and a virus
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "a fungus"

Q:

When a man enters a dark room with light, he sees nothing for some time. Later he begins to appear, because?

1714 0

  • 1
    The iris of his eye shrinks
    Correct
    Wrong
  • 2
    The iris of his eye spreads
    Correct
    Wrong
  • 3
    The distance between the lens and retina of his eye increases
    Correct
    Wrong
  • 4
    The length of his eye lens increases
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "The iris of his eye shrinks"

Q:

Who among the following are the inventors of dynamite?

1700 0

  • 1
    Einstein
    Correct
    Wrong
  • 2
    Newton
    Correct
    Wrong
  • 3
    Alfred Nobel
    Correct
    Wrong
  • 4
    Madame Curie
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Alfred Nobel"

Q:

What are the units of electrical conductivity?

1685 0

  • 1
    Minutes
    Correct
    Wrong
  • 2
    Dimension
    Correct
    Wrong
  • 3
    Speed
    Correct
    Wrong
  • 4
    Maho
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Maho"

Q:

The average salinity of sea water is

1672 0

  • 1
    2%
    Correct
    Wrong
  • 2
    3%
    Correct
    Wrong
  • 3
    3.5%
    Correct
    Wrong
  • 4
    2.5%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "3.5%"
Explanation :

The average salinity of sea water is 3.5% or 35 parts per thousand. In other words, for every 1 litre of sea water there is 35 grams of dissolved salts (NaCl) .


Q:

Richter Scale is used in measuring?

1664 1

  • 1
    Earthquake intensity
    Correct
    Wrong
  • 2
    Wind speed
    Correct
    Wrong
  • 3
    Depth of sea
    Correct
    Wrong
  • 4
    Body temperature
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Earthquake intensity"

Q:

Solder wire is made?

1652 0

  • 1
    Land and tin
    Correct
    Wrong
  • 2
    Zinc and copper
    Correct
    Wrong
  • 3
    copper and lead
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Land and tin"
Explanation :

Solder is a fusible metal alloy used to create a permanent bond between metal workpieces. It is made up of 60% tin and 40% lead.


Q:

His melting point increasing the pressure on ice?

1645 1

  • 1
    will decrease
    Correct
    Wrong
  • 2
    will increase
    Correct
    Wrong
  • 3
    will be zero
    Correct
    Wrong
  • 4
    will remain unchanged
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "will decrease"

      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