81. Which of the following plants have the capacity to endure long desiccation?
82. The downy mildews are all
83. In which of the following genera the synergids of the embryo sac degenerate even before the entry of the pollen tube?
84. Who among the following were the first to use antibiotics for the control of bacterial diseases?
85. The vegetation of savannahs has which of the following resting periods?
86. During the development of embryo in dicotyledons, the suspensor cell situated at the terminal end of suspensor in contact with the globular proembryo is called
87. At the chalazal end, which of the following structures separates the synergids from the central cell?
88. The reagent used to test the presence of starch in leaves is
89. When microstands are intermixed without any pattern then the mass of vegetation together constitute a/an
90. The turgor pressure is counter balanced by an equal and opposite pressure of the membrane on the enclosed solution, known as
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