Q.1
Cellulose is a material which can exist in crystalline and amorphous states
  • a) True
  • b) False
Q.2
Which is the part where lignin is highly concentrated?
  • a) Outskirts of lamella
  • b) Middle lamella
  • c) Mitochondria
  • d) Pith
Q.3
Cellulose is a linear polymer of anhydro-D-glucose connected by beta-(1-4)-linkage?
  • a) True
  • b) False
Q.4
What are the chemical elements present in wood?
  • a) C, O, H, N
  • b) Co2, O2, N2, H2
  • c) Co2, O2, N2, H
  • d) Co2, O2, N, H2
Q.5
Microfibrils occur in which section of cell wall?
  • a) Primary
  • b) Secondary
  • c) Tertiary
  • d) Quaternary
Q.6
___________ decreases the strength of pulp yield, and are not ideal for dissolving pulp process.
  • a) Terpne
  • b) Hemicellulose
  • c) Lignin
  • d) Microfibrils
Q.7
Which of the following is a condensed polymer?
  • a) Microfibrils
  • b) Arabinogalactans
  • c) Hardwood hemicelluloses
  • d) Hemicellulose
Q.8
Which is the compound which is a complex polymer consisting of phenylpropane units and has an amorphous three-dimensional structure?
  • a) Extractives
  • b) Lignin
  • c) Terpenes
  • d) Hemicellulose
Q.9
Which is the compound by definition are soluble in organic solvents, and water?
  • a) Extractives
  • b) Lignin
  • c) Terpenes
  • d) Hemicellulose
Q.10
Turpenes are made from _________ units in the living wood cell?
  • a) Sulphated isoprene
  • b) Phosphated isoprene
  • c) Carbonated isoprene
  • d) Hydrogenated isoprene
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