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Biology 11, Chapter 1
Cell Structure And Functions - 14
1.
What is the thickness of primary cell wall?
a) 1-3 mm
b) 3 mm
c) 1-3 cm
d) 1 mm
2.
Primary cell wall is a true wall and develops?
a) In newly growing cell.
b) All answers are correct
c) During cell division.
d) In photosynthesising cells.
3.
Pick the correct statement?
a) Each cell do not produce a cell wall
b) Each cell produces a primary cell wall
c) Two answers are correct
d) Each cell do not produce a primary cell wall
4.
Which cells have primary cell wall?
a) Two answers are correct
b) Storage cell
c) Photosynthesising cells of leaves
d) Growing cells
5.
The cell wall surrounds?
a) Middle lamella
b) Primary cell wall and middle bamella
c) The protoplast and plasma membrane.
d) Primary cell wall and secondary cell wall
6.
The primary cell wall consists of?
a) Chloroplasts
b) Starch
c) Algae and Fungi
d) Cellulose microfibrils
7.
The primary cell wall consists of cellulose microfibrils, running through the matrix of other?
a) Chloroplasts
b) Storage cells
c) Polysaccharides
d) Lamella
8.
Pick the correct statement?
a) The wall stretches plastically.
b) The primary cell wall is adapted to growth.
c) All answers are correct
d) The wall stretches irreversibly
9.
Pick the correct statement?
a) All answers are correct
b) The cell wall is porous.
c) The cell wall allows free passage of water.
d) The cell wall allows free passage dissolved material.
10.
The microfibrils show a ________ arrangement?
a) Corresponding
b) Linear
c) Crisscross
d) Parallel
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