A. Lignin
B. Cellulose
C. Pectin
D. All of these
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Related Mcqs:
- Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?
A. i & ii
B. iii & iv
C. i ii iii & iv
D. iv only - If a plasmolysed plant cell is placed in water the cell will___________?
A. Burst
B. Be Killed
C. Be deplasmolysed
D. Show no change in it - Which chemical component has the greatest contribution in the total mammalian cell weight__________?
A. Proteins
B. Carbohydrate
C. Lipids
D. Water - Which of the following organisms have Chitin as a major structural component of their cell wall________________?
A. Prokaryotae
B. Protoctista
C. Plantae
D. Fungi - Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?
A. Nucleus
B. Chromosome
C. Chromatid
D. Chromatin body - Who opposed the idea the cell is an empty space bounded by thick wall?
A. Lorenz Oken
B. Schwann
C. Robert Brown
D. Rudolph Virchow - The cell wall of oomycetes is chiefly composed of___________?
A. Chitin
B. Cellulose
C. Lignin
D. Proteins - Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?
A. Strong covalent bond between virion and the receptor site.
B. Week chemical unior between them
C. Both A and B depending upon the phage
D. None of these - Cyanobacteria have ________ cell wall?
A. Gram +ve.
B. Gram – ve.
C. Acid fast
D. Cellulose rich - Cell wall is extremely well preserved in fossil specimens in__________?
A. Diatoms
B. Dinoflagellates
C. Slime moulds
D. None of these
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