Q.31)-Dormancy period of animals during winter season is called
  • Aestivation
  • hibernation
  • Regeneration
  • Mutation
Q.32)-Yellow spots on citrus leaves is due to the deficiency of
  • zinc
  • Magnesium
  • Boron
  • Iron
Q.33)-A seed germinate in the absence of
  • Adequate light
  • Supply of oxygen
  • Suitable moisture
  • Suitable temperature
Q.34)-Excess amount of absorbed water by plants is liberated out by
  • Evaporation
  • Osmosis
  • Diffusion
  • Transpiration
Q.35)-The red, orange and yellow colours of leaf's due to
  • Aldehydes
  • Tannis
  • Lignins
  • Carotenoid
Q.36)-Which of the following is not an insectivorous plant
  • Nepenthes
  • Utricularia
  • Droseara
  • Cuscutta
Q.37)-Which of the following is an insectivorous plant
  • Balanophora
  • Rafflesia
  • Orobanche
  • Drosera
Q.38)-Seed dormancy is regulate by
  • Abscisic acid
  • Gibberellic acid
  • Indole acetic acid
  • Ethylene
Q.39)-Membrane lipids of chill sentitive plants contain
  • Low proportion of saturated fatty acids
  • Low proportion of unsaturated fatty acids
  • Equal proportion of saturated unsaturated fatty acids
  • High proportion of unsaturated fatty acids
Q.40)-The curcumin is isolated from
  • Garlic
  • Turmeric
  • Sunflower
  • Rose flower