CAPF (AC) GENERAL SCIENCE BOOSTER

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Question 1:

A child receives a tall beautiful plant as a birthday gift from his father with a quiz. The father asked her how she would verify whether this tall plant was the progeny of both the tall parents or one tall and one short parent plant. She could verify this through.

Question 2:

Which statement(s) is/are correct with respect to fungi?

  1. Fungi are used in alcohol and yeast preparation due to their fermentation property. 
  2. Few fungi such as Agaricus compestris are highly rich in nutrients and are used as food.

Select the correct answer using the codes given below.


Question 3:

Which of the following statements are correct regarding the flow of blood from the heart and lungs?

Question 4:

What are the different modes of nutrition in living beings?

Question 5:

What are the different modes of heterotrophic nutrition?

Question 6:

When the body fails to produce sufficient insulin. Which of the following kinds of Non-Communicable Disease (NCD) is responsible for this condition?

Question 7:

What is the molar mass of H2SO4?

Question 8:

Galvanometer is used to measure a small electrical current, how a galvanometer can be converted into a voltmeter by connecting with it a-

Question 9:

Gauss’s Law is used to find the electric field by considering a Gaussian surface around the point where we calculate the field, the Gauss law for electric field is valid for-

Question 10:

Two persons are holding a rope of negligible mass horizontally. A 20 kg mass is attached to the rope at the midpoint; as a result, the rope deviates from the horizontal direction. The tension required to completely straighten the rope is (g=10 m/s^2)

Question 11:

If g be the gravitational acceleration on the surface of the earth, then the acceleration due to gravity on the surface of a planet whose mass is same as that of earth and radius is twice as that of earth is

Question 12:

A bullet of mass 10 g is fired with a velocity of 50m/s from a gun of mass 2kg. Find the recoil velocity (in m/s) of the gun.

Question 13:

An object covers distance which is directly proportional to the square of the time. Its acceleration is

Question 14:

Natural rubber becomes soft at high temperature and brittle at low temperatures , for the manufacturing of tyre rubber is vulcanized by adding

Question 15:

What is rancidity?

Question 16:

Which of the following are examples of exothermic reactions?

Question 17:

Which law states that “For a solution of volatile liquids, the partial vapour pressure of each component of the solution is directly proportional to its mole fraction present in solution”.

Question 18:

For a spontaneous process

  1. Value of is positive
  2. Value of  is  negative
  3. Value of  is zero
  4. Value of standard electrode potential of cell is positive

Question 19:

If hydration enthalpy is greater than lattice enthalpy then

Question 20:

Two reactants in a flask at room temperature are producing bubbles of a gas that turn limewater milky. The reactants could be-