Each stoma is lined by…..bean shaped cells.
a) four
b) three
c) five
d) two
Each stoma is lined by two bean shaped cells called……
a) pericycle
b) mesophyll
c) epidermis
d) guard cells
Guard cells are the only…… cells which have chloroplast.
a) collenchymas
b) parenchyma
c) epidermal
d) endodermis
Stoma opens when the guard cells are…….
a) flaccid
b) plasmolysed
c) turgid
d) shrink
Stoma closes when the guard cells are…….
a) flaccid
b) plasmolysed
c) turgid
d) shrink
During day time, guard cells make glucose; so the solute concentration is higher inside the cell; therefore, water moves…..
a) into the cells
b) out of the cells
c) neither in nor out
d) none of these
