8 practice sets · Page 1 of 1
Which tissue prevents water loss from the plant surface?
Phloem
Xylem
Epidermis with cuticle
Collenchyma
Correct Answer: C — Epidermis with cuticle
Explanation:
The epidermis with a waxy cuticle reduces water loss from plants.
What differentiates xylem and phloem?
Xylem transports food, phloem transports water
Xylem transports water, phloem transports food
Both transport water only
Both transport food only
Correct Answer: B — Xylem transports water, phloem transports food
Explanation:
Xylem transports water and minerals, while phloem transports food.
Which of the following is a component of xylem?
Companion cells
Sieve tubes
Vessel elements
Guard cells
Correct Answer: C — Vessel elements
Explanation:
Vessel elements are important conducting components of xylem.
What is the function of phloem fibers?
Transport of food
Transport of water
Storage of food
Providing mechanical strength
Correct Answer: D — Providing mechanical strength
Explanation:
Phloem fibers provide mechanical support and strength to plants.
Which vascular tissue conducts water in plants?
Phloem
Collenchyma
Xylem
Parenchyma
Correct Answer: C — Xylem
Explanation:
Xylem transports water and minerals from roots to other parts of the plant.
What type of meristem is found at the tips of roots and shoots?
Permanent meristem
Apical meristem
Lateral meristem
Intercalary meristem
Correct Answer: B — Apical meristem
Explanation:
Apical meristem is responsible for growth in length at root and shoot tips.
Which of the following is a dead tissue?
Parenchyma
Sclerenchyma
Collenchyma
Phloem
Correct Answer: B — Sclerenchyma
Explanation:
Sclerenchyma consists of dead cells with thick lignified walls that provide support.
Which of the following is a characteristic of meristematic tissue?
Thick secondary walls
Large vacuoles
Actively dividing cells
Dead cells
Correct Answer: C — Actively dividing cells
Explanation:
Meristematic tissues contain actively dividing cells responsible for plant growth.
