71. It is produced during water stress that brings stomatal closure.
72. Transpiration is least in
A. Good soil moisture
B. Hight wind velocity
C. Dry environment
D. High atmospheric humidity
Answer : Option C
73. Transpiration is high in
74. Potometer is an instrument that measures
75. Wilting appears due to excessive.
76. Transpiration is regulated by movement of
A. Guard cells
B. Subsidiary cells
C. Epidermal cells
D. Mesophyll cells
Answer : Option B
77. Rate of transpiration is reduced with
A. Rise in temperature
B. Decrease in light intensity
C. Increase in wind velocity
D. Increase in water uptake
Answer : Option B
78. In terrestrial habitats, temperature and railfall conditions are influenced by
A. Water transformation
B. Transpiration
C. Thermoperiodism
D. Translocation
Answer : Option A
79. Conversion of starch to organic acids is required for
A. Stomatal opening
B. Stomatal closing
C. Stomatal formation
D. Stomatal activity
Answer : Option C
80. Element involved in stomatal regulation its opening and closing is