Class XI

Period of dormation may be
  1. days
  2. weeks
  3. years
  4. varies as per species
System of classification was invented by a Swedish naturalist
  1. Carolus Linnaeus
  2. Charles Linnaeus
  3. Charles Carnegie
  4. Joan-Baptista van Helmont
 Diseases like rickets, scurvy and beriberi occur due to deficiency of
  1. Amino acids
  2. Carbohydrates
  3. Lipids
  4. Vitamins
Organic catalysts may also be called as
  1. Chemical Catalysts
  2. Situational Catalysts
  3. Biological catalysts
  4. Physical catalysts
External agencies are not required in
  1. natural vegetative propagation
  2. sexual reproduction
  3. bisexual reproduction
  4. trisexual reproduction
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