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Question:

Consider the following statement (s) related to the force of friction I. It is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. II. When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it onverts work to heat). Which is/are correct statement (s)?
  1. Only I
  2. Only II
  3. Both I & II
  4. Neither I nor II






Q2. Which of the following statement (s) is/are correct about viscosity?

  1. It is a measure of a fluid's resistance to flow.
  2. It is typically measured in dynes/cm, the force in dynes required to break a film of length 1 cm.
  3. It is the ability of a body to resist a distorting influence or stress and to return to its original size and shape when the stress is removed.
  4. None of the above
Correct Answer

Q3. Who is known as the father of Modern Chemistry?

  1. Kolvey
  2. Wholer
  3. Leviatiae
  4. Pasteur
Correct Answer

Q4. Who was the inventor of radioactivity?

  1. Madam Curie
  2. Irine Curie
  3. Henery Bacqurel
  4. Rutherford
Correct Answer

Q5. Which of the following is the nearest planet from the Sun?

  1. Mercury
  2. Venus
  3. Earth
  4. Mars
Correct Answer

Q6. Greatest number of Sweat glands are present in which part of the human body?

  1. Forehead
  2. Forearm
  3. Palm of the hand
  4. Back
Correct Answer

Q7. SMOG is derived from:

  1. Smoke
  2. Fog
  3. Both A and B
Correct Answer

Q8. In which part of the body digestion of protein starts?

  1. Mouth
  2. Stomach
  3. Duodenum
  4. Intestine
Correct Answer

Q9. Which of the following defense of the human body against bacteria?

  1. Hemoglobin
  2. Phagocytes
  3. Red blood cells
  4. Blood platelets
Correct Answer

Q10. Consider following statements: I. Green chemistry focuses on effects of chemical pollutants on nature. II. Environmental chemistry focuses on technological approach to prevent pollution. Which statement(s) is/are correct?

  1. Only I
  2. Only II
  3. Both I & II
  4. Neither I nor II
Correct Answer








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