Class XI

If heat gain center of hypothalamus is activated, control mechanism includes all but
  1. Vasoconstriction
  2. Less convection
  3. Less convection
  4. Less metabolic activities
Action spectrum and absorption spectrum
  1. Show great similarities
  2. Show great differences
  3. Are different in freshwater plants
  4. Are different in variegated leaves
Most of actions performed under a will are
  1. Involuntary actions
  2. Voluntary actions
  3. Reflex actions
  4. Sudden actions
Flowering bracts in spikelet are further protected by
  1. Legumes
  2. Glomerulus
  3. Glumes
  4. Glooms
In night, cease of photosynthesis makes water
  1. More acidic
  2. More alkaline
  3. Neutral
  4. Salty
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