(a) 100-1000
(b) 500-2000
(c) 1000-3000
(d) 1000-5000
Answer-(c) 1000-3000
Cellulose is formed by what? [HSC & Admission]
(a) Fructose
(b) Glucose
(c) Galactose
(d) Sucrose
Answer (b) Glucose
The main chemical constituents of plant cells are- [HSC & Admission]
(a) Cellulose
(b) Hemicellulose
(c) Lignin
(d) Pectin
Answer-(a) Cellulose
In which permanent cell is the secondary wall formed? [HSC & Admission]
(i) Tracked
(ii) Vessels
(iii) Fibre
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(d) i, ii and iii
Primary and secondary wall chemicals- [HSC & Admission]
(i) Cellulose
(ii) Hemicellulose
(iii) Lignin
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(d) i, ii and iii
What is absent in the cells that have high metabolism? [HSC & Admission]
(a) Primary wall
(b) Secondary wall
(c) Middle screen
(d) Pit membrane
Answer (b) Secondary wall
What chemicals are present in the secondary wall? [HSC & Admission]
(i) Tannin
(ii) Calcium oxalate
(iii) Silica
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(d) i, ii and iii
What chemicals do secondary walls contain? [HSC & Admission]
(i) Suberin
(ii) Cutin
(iii) Wax
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer-(d) i, ii and iii
The layer that forms above the primary wall is called- [HSC & Admission]
(a) Median membrane
(b) Secondary wall
(c) Pit pair
(d) Peat
Answer (b) Secondary wall
The primary wall contains any chemical substance- [HSC & Admission]
(i) Glycoprotein
(ii) Lipids
(iii) Pectin
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer (b) i and iii