An epidermal hair of cotton contains
7.5 x 108 cellulose chains
7.5 x 109 cellulose chains
7.5 x 1010 cellulose chains
7.5 x 1011 cellulose chains
The middle lamella consists of
suberin
cellulose
lignin
calcium pectate
The cell wall of bacteria is made up of
plasma membrane
N-acetyl glucosamine
N-acetyl muramic acid
both '2' and '3'
Most of the water, in mature plant cells, occurs chiefly in which of the following?
nucleus
cell wall
vacuoles
cytoplasm
Vesicles of smooth endoplasmic reticulum (SER) are most likely on their way to
Plastids
lysosomes
nucleolus
golgi apparatus
The golgi complex participates in
sulphur metabolism
nitrogen metabolism
nucleic acid metabolism
phosphorus metabolism
The breadth of the periplastideal space is
50 - 100 Å
100 - 300 Å
300 - 400 Å
600 - 1000 Å
Middle lamella is
optically active
optically inactive
colloidal in nature
Extranuclear inheritance is a consequence of the presence of genes in
ER and mitochondria
lysosomes and ribosomes
ribosomes and chloroplast
mitochondria and chloroplasts
The plant cell differs from the animal cell in
presence of lysosomes
presence of large vacuole
absence of chloroplast
absence of cellulosic cell wall