Plant Cells and Tissues - Higher Difficulty Problems
Q. What is the primary function of phloem in vascular plants?
A.Transport water and minerals
B.Transport sugars and nutrients
C.Provide structural support
D.Store energy
Solution
Phloem is responsible for the transport of sugars and nutrients produced during photosynthesis from the leaves to other parts of the plant.
Correct Answer: B — Transport sugars and nutrients
Q. What is the primary role of collenchyma cells?
A.Transport water
B.Provide flexible support
C.Store energy
D.Conduct photosynthesis
Solution
Collenchyma cells provide flexible support to young stems and leaves, allowing for growth and movement.
Correct Answer: B — Provide flexible support
Q. What type of cells are responsible for the transport of water in plants?
A.Phloem cells
B.Sclerenchyma cells
C.Xylem cells
D.Parenchyma cells
Solution
Xylem cells are specialized for the transport of water and dissolved minerals from the roots to the rest of the plant.
Correct Answer: C — Xylem cells
Q. Which of the following is NOT a type of meristematic tissue?
A.Apical meristem
B.Lateral meristem
C.Intercalary meristem
D.Cork cambium
Solution
Cork cambium is a type of lateral meristem, but it is not classified as a meristematic tissue in the same sense as apical, lateral, and intercalary meristems.
Correct Answer: D — Cork cambium
Q. Which of the following tissues is primarily involved in the transport of hormones in plants?
A.Xylem
B.Phloem
C.Parenchyma
D.Sclerenchyma
Solution
Phloem is involved in the transport of hormones, nutrients, and other organic compounds throughout the plant.
