Biology 11, Chapter 1Cell Structure And Functions - 15

Biology 11, Chapter 1
Cell Structure And Functions - 15

1. Secondary cell wall is formed between?

a) The cell and plasma membrane.
b) The plasma cell wall and primary membrane.
c) All answers are correct
d) The primary cell wall and plasma membrane

2. Secondary cell wall is found in most of the?

a) Cells
b) Two answers are correct
c) The plasma cell wall and primary membrane.
d) Cells specially that provide support for the plant

3. The _______ secretes extra layers of ________ on the inner surface of the primary cell wall?

a) Cellulose, Membrane
b) Protoplast, cellulose
c) Cellulose, Protoplast
d) Membrane, Protoplast

4. The protoplast secretes extra layers of cellulose on the inner surface of the primary cell wall i.e?

a) Outer surface of the protoplast
b) Inner surface of the protoplast
c) Inner surface of the plasma membrane
d) Outer surface of the plasma membrane

5. The protoplast secretes extra layers of cellulose on the inner surface of the primary cell wall i.e. outer surface of the plasma membrane. Its microfibrils also show?

a) Corresponding arrangement
b) Crisscross arrangement
c) Linear arrangement
d) Parallel arrangement

6. The secondary cell wall develops only when the cell?

a) Two answers are correct
b) Has reached maximum size.
c) Starts its growth.
d) Completes its growth.

7. The secondary cell wall consists of?

a) Hemicelluloses
b) All answers are correct
c) Lignin
d) Cellulose

8. _______ cements and anchors ______ fibres together?

a) Cellulose, Lignin
b) Hemicelluloses, Lignin
c) Lignin, cellulose
d) Hemicelluloses, Cellulose

9. Lignin is a complex_______, not a ________?

a) Polymer, Cellulose
b) All answers are correct
c) Cellulose, Polymer
d) Polymer, polysaccharide

10. It is much rigid than cellulose and cannot be easily compressed and resists changes in form?a) Hemicelluloses
b) Two answers are correct
c) Cellulose
d) Lignin

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