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Chapter 16 - Support and Movements - 3
1.
Fibro cartilage is present in:
a) External pinnae of ears and epiglottis
b) a and b both
c) Vertebrae
d) None of above
2.
Resistance to decay and insect attack to plants is provided by:
a) callus
b) Cork
c) Sap wood
d) Heart wood
3.
Presence of protoplasts, elastic in nature, without secondary wall have angular thickening in primary wall are characterists of:
a) Vascular cambium cells
b) Sclerenchyma cells
c) Xylem cells
d) Collenchyma cells
4.
Passive movement of chloroplast by cyclosis is the example of:
a) Phototactic movement
b) Turgor movement
c) Growth movement
d) Chemotactic movement
5.
Long cylindrical and bundle caps of xylem
a) Cambium
b) Sclerides
c) Tracheids
d) Trachea
6.
Short, found in seed coat & nutshells.
a) Trachea
b) Sclerides
c) Tracheids
d) Cambium
7.
Long water conducting pipes in xylem
a) Sclerides
b) Trachea
c) Collenchyma cells
d) Cambium
8.
Secondary growth
a) Cambium
b) Sclerides
c) Tracheids
d) Collenchyma cells
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