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Question:

Find out the salient features of environment:
  1. It is the sum of biotic and abiotic elements.
  2. It is based on the4 interactive and functional relationship between and biotic and abiotic
  3. It always tens to maintain ecological balance.
  4. All of the above






Q2. Select the correct term related to the phrase- ‘The entire complement of species of organisms, plants and animals, found within a given region’:

  1. Community
  2. Biotope
  3. Biota
  4. Biostasy
Correct Answer

Q3. 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

Q4. Which of the following is the major photochemical smog?

  1. Peroxyl acetyl nitrate
  2. Smog
  3. Hydrogen peroxide
  4. Chlorofluorocarbon
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. Which of the vegetables have abundance of Vitamins A and C?

  1. Brinjal
  2. Lady's finger
  3. Potato
  4. Tomato
Correct Answer

Q7. Name an inert diatomic gas which is neither combustible nor helps in combustion?

  1. Carbon Dioxide
  2. Hydrogen
  3. Nitrogen
  4. None of the above
Correct Answer

Q8. The most visually striking evidence of global warming is:

  1. The increased precipitation along the Gulf coast states
  2. Highly varying temperature fluctuations felt during the winter months
  3. Rapid melting of glacial ice on nearly every continent
  4. All of the above
Correct Answer

Q9. What is the work done in moving a unit positive charge from infinity to that point in electric field called?

  1. Electric potential
  2. Potential difference
  3. Electric current
  4. Electric circuits
Correct Answer

Q10. What is Ecotone?

  1. It denotes a mosaic boundaries or inter-digitting zone between two more homogenous vegetation units
  2. A term was applied by Erhart to periods of soil formation.
  3. It is formed by the interactions among population of living animals and plants.
  4. None of the above/ More than the above
Correct Answer








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