111. Which of the following is an example of thermonasty ?
112. In which structure thigmonasty is observed in simple form ?
113. Demonstration of cytoplasmic movement in living cell can be observed in ........
A. Onion cells
B. Medullary cells
C. Leaf cells of tradescantia
D. Cells of vascular bundle
Answer : Option C
114. Which factor increases in plant in absence of light ?
A. Availability of water, increases ascent of sap.
B. Availability of mineral ion, increases mineral nutrition
C. Area of leaf-blade increase, rate of transpiration increases.
D. Length of internode increases, growth of plant in longitudinal axis.
Answer : Option D
115. Sensitivity of leaves in Mimosa, depends on which factor ?
116. Movement of cilia in Drocera, depends on which factor ?
117. If cells obtain ability of cell division in certain circumstances, it is called .........
A. Differentiation
B. Cleavage
C. De-Deferentiation
D. Undifferentiation
Answer : Option C
118. In certain condition, dividing cell, loose their ability of cell division, it is called .......
A. Differentiation
B. Cleavage
C. De-differentiation
D. Undifferentiation
Answer : Option D
119. Which organic chemicals are included in shoot with photoperiodism ?
120. Motor cells of leaves and grass, shows which type of movement ?
A. Locomotory movement
B. Growth movement
C. Nastic movement
D. Osmotic movement
Answer : Option D