Tropic and Nastic Movements in Plants

Which movement is due to growth of plant?

• Nastic movements

• Tropic movement

• Both

• None

Marlo planned to give Katrina sunflowers so he planted one hundred (100) flowering plants of sunflower, he noticed that every day the young sunflower changes its flower direction from east to west. What type of plant movement is this?

• Nastic movements

• tropic movement

• Both

• None

What type movement is shown by the closing of "Ngirum-kirum" (Mimosa pudica) leaves when touched?

A. Photonastic

B. Thigmotropism

C. Thigmonastic

D. thermotropism

• Photonastic Movement

• Thigmotropism

• Thigmonastic

• Thermotropism

Auxin is added to fertilizers used in agriculture; what effect does auxin have on plants stem?

• Inhibits elongation

• Inhibits cell division

• Promotes cell division

• Promotes elongation

Marvil is a Florist who uses metal scaffolds for the plants to cling making it a nice ornamental plant. Which of the following tropism is exhibited by the plant?

• Phototropism

• Thigmotropism

• Gravitropism

• Hydrotropism