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