36. What is the purpose of the root hairs in plants?
a) Water and mineral absorption
b) Gas exchange
c) Storage of food
d) Protection against herbivores
37. Which of the following is a modified leaf structure for water storage?
a) Tendril
b) Succulent leaves
c) Spines
d) Thorns
38. What is the function of the vascular bundle in plants?
a) Absorption of water and minerals
b) Storage of food
c) Transport of water and nutrients
d) Protection against pathogens
39. Which of the following is a modification of root structure for support?
a) Tendril
b) Taproot
c) Adventitious root
d) Prop root
40. What is the purpose of the leaf blade in plants?
a) Absorption of water and minerals
b) Storage of food
d) Support and transport