The pulvinus is composed of…….cells, responsible for the dropping folding up in some plants at night.
a) collenchyma
b) parenchyma
c) sclerenchyma
d) vessel elements
Pulvinus tissues are present at……..
a) leaf base
b) leaf margin
c) leaf tip
d) midrib
Turgor movement of plants may be classified in to ……..types.
a) two
b) three
c) four
d) five
Explanation: 1. Rapid and 2. Sleep movement
The leaves of Mimosa or touch me not
are touched the lower cells of the pulvinus loose their turgidity. This is.… movement.
a) rapid movement
b) sleep movement
c) nastic movement
d) growth movement
Some plants of family legumminoceae lower their leaves in the evening and raise them in the morning, this movement is called………
a) rapid movement
b) sleep movement
c) nastic movement
d) growth movement
On the basis of growth, plant movements are classified in to……types.
a) two
b) three
c) four
d) five
Explanation: 1. Autonomic and 2. Paratonic
