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Question:

What do you understand by Food Web?
  1. It deals with the relationship between the number of primary producers and consumers of different order.
  2. It is the sequence of energy transfer from the lower levels to the upper or higher trophic levels.
  3. A community of organisms where there are several interrelated food chains
  4. None of the above/ More than the above






Q2. Which of the following hormones is a steroid?

  1. Estrogen
  2. Glucagon
  3. Insulin
  4. Oxytocin
Correct Answer

Q3. Which of the following is a large blood vessel that carries blood away from the heart?

  1. Vein
  2. Artery
  3. Capillary
  4. Nerve
Correct Answer

Q4. 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

Q5. 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
Correct Answer

Q6. Consider the following statement (s) related to the Magnetism I. It is a class of physical phenomena that are mediated by magnetic fields. II. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Which is/are correct statement (s)?

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

Q7. Name a gas which is used in refrigeration and in fire extinguisher?

  1. Nitrogen
  2. Hydrogen
  3. Carbon Dioxide
  4. Methane
Correct Answer

Q8. How biocides work?

  1. Control the multiplication of insects
  2. Kill the insects
  3. Manage the original form of material
  4. Control the bacteria
Correct Answer

Q9. Name the salt when dissolved in water give an acidic solution?

  1. Potassium Chloride
  2. Ammonium Chloride
  3. Sodium Carbonate
  4. Sodium Acetate
Correct Answer

Q10. Which of the following is an insulator?

  1. Carbon
  2. Rubber
  3. Silver
  4. Copper
Correct Answer








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