71. What is indicated by any of the developing plant if it increase / hyperactivity in lateral buds ?
A. It obtains more light
B. Cytokinin decreases
C. It stores more food
D. Auxin decreases
Answer : Option D
72. From where gibberrelin was isolated for the first time ?
73. Which of the following effect of gibberrelin is observed in plant ?
A. Long plant shortens
B. Dwarf plant grows in longitudinal axis
C. Induces formation of root system
D. Yellowing of young leaves
Answer : Option B
74. Which of the following hormone is responsible for cell division ?
75. Garland of green leaves remain green, by treatment of which organic chemical ?
76. Which hormone inhibits senescence of vegetative parts and plants ?
77. Which is natural growth inhibitor or senescence inducing hormone ?
78. Which hormone affects the growth of plant in adverse climatic / environmental condition ?
79. Which of the following phenomenon is regulated by abscisic acid ?
A. Shoot elongation
B. Origin of cell wall and cell elongation
C. Opening and closing of stomata
D. Abscission of leaf and dormancy
Answer : Option C
80. Which hormone inhibits formation of new cells ?