Question

81. The middle lamella of cell wall is made up of
a) Magnesium pectate that holds the
neighbouring cells together
b) Calcium pectate that holds the different
neighbouring cells together
c) Calcium and magnesium that provide
mechanical support
d) Only calcium that facilitates transport of the
molecules across it.
82. Outermost layer of cell wall is
a) Primary wall
b) Secondary wall
c) Middle lamella d) Plasmalemma
83. Intercellular material between two adjacent cell is
a) Primary wall b) Middle lamella
c) Secondary wall d) Plasma membrane
84. Cellulose is the constituent of
a) All higher plants
b) All algae
c) All higher and lower plants
d) All higher plants, many algae and some fungi
85. Cell wall shows
a) Complete permeability
b) Impermebility
c) Differential permeability
d) Semipermeability
86. Which of the following involve in cell wall
formation
a) Nucleus
b) Chloroplast
c) E.R.
d) Nucleolus
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Answer 1

Answer:

81. C ,82.a, 83.b , 84. d ,85.a ,86. c