Q.61)-A cell increases in volume when it is placed in
  • Hypertonic solution
  • Hypotonic solution
  • Isotonic solution
  • None of these
Q.62)-Traslocation of water is
  • Apoplastic
  • Symplastic
  • Both 1 and 2
  • None of these
Q.63)-The kidney shpaed guard cells are present in
  • Dicot plants
  • Monocot plants
  • Bth the above
  • Algae
Q.64)-Dumb-bell shaped guard cells are present in
  • Groundnut
  • Gram
  • Wheat
  • Mango
Q.65)-Stomach opening is based on
  • Exosmoisis
  • Endosmoisis
  • Plasmolysis in guard cells
  • Decrease in concentration of cell sap
Q.66)-2, 4-D is used as
  • Weedicide
  • Vitamin
  • Fertilizer
  • Insecticide
Q.67)-Movement of hairs in Drosera is referred to as
  • Heliotropism
  • Thigmotropism
  • photonastic
  • Sesismonastic
Q.68)-Transpiration throgh leaves is called as
  • Cauline transpiration
  • Foliar traspiration
  • Cuticular transpiration
  • Lenticular transpiration
Q.69)-Process through which plants reproduce
  • Pollination
  • Condensation
  • Eating
  • Evaporation
Q.70)-Water of coconut is
  • Liquid nucellus
  • Liquid mesocarp
  • Liquid endocarp
  • Degenerated liquid endosperm