Mark the one, which is NOT the characteristics of the guard cell?
A.
Thickened inner wall
B.
Connected end to end
C.
Does not have chloroplast
D.
Radial micellation
Answer: Option C
Explanation:
The epidermal cells of guard cell show chloroplast. They have a thin outer wall and thick inner wall and constitute an important functional element of the plant.
Which of the following statement is INCORRECT for transpiration?
A.
It occurs by stomata, lenticels, and cuticle
B.
Water comes out as water vapour
C.
It occurs in all plants
D.
Root pressure is involved
Answer: Option D
Explanation:
Transpiration is a universal process that occurs in all plants. It does not involve root pressure but the water comes out from a plant in the form of water vapour.