21. Which of the following is not a function of parenchyma tissue?
b) Storage of water and nutrients
c) Support and structure
d) Healing and repair
Answer: c) Support and structure
22. The tissue responsible for the opening and closing of stomata is called:
a) Companion cells
b) Guard cells
c) Parenchyma cells
d) Trichomes
Answer: b) Guard cells
23. Which of the following is not a function of epidermal tissue?
a) Protection
b) Absorption of water and nutrients
c) Gas exchange
d) Secretion of substances
Answer: b) Absorption of water and nutrients
24. The transport of water and nutrients from the roots to the leaves of plants is known as:
a) Transpiration
b) Respiration
c) Photosynthesis
d) Translocation
Answer: d) Translocation
25. Which tissue helps in the transportation of water against gravity in tall plants?
a) Xylem
b) Phloem
c) Cambium
d) Parenchyma
Answer: a) Xylem
