Plant Biology: Secondary Growth, Tissues,
and Reproductive Structures Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
What is secondary growth in Secondary growth in plants is the result of
plants? activity
in the vascular cambium.
Which cells are dead at maturity? Vessel elements are dead at maturity.
What is the main function of The main function of phloem is to transport
phloem? sugars
and organic molecules.
What is the primary function of the The cuticle primarily functions to prevent
cuticle? water
loss.
Which tissue system provides Collenchyma provides structural support in
structural support in young stems? young
stems.
Why are root hairs important? Root hairs are important because they
increase the
absorptive surface area.
, Companion cells are closely Companion cells are closely associated
associated with which type of with sieve
cells? tube elements.
Where is a fibrous root system A fibrous root system is typically found in
typically found? most
monocots.
What does the root cap protect? The root cap protects the apical meristem
of the
root.
How are annual growth rings in Annual growth rings in trees are formed by
trees secondary xylem production.
formed?
What do mycorrhizae represent? Mycorrhizae represent a relationship
between
roots and fungi.
True or False: Leaves contain TRUE.
vascular tissue.
Where do lateral roots originate Lateral roots originate from the pericycle.
from?
What are some functions of Some specialized roots function to store
specialized roots? carbohydrates, anchor plants, and obtain
oxygen in
flooded soils.
and Reproductive Structures Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
What is secondary growth in Secondary growth in plants is the result of
plants? activity
in the vascular cambium.
Which cells are dead at maturity? Vessel elements are dead at maturity.
What is the main function of The main function of phloem is to transport
phloem? sugars
and organic molecules.
What is the primary function of the The cuticle primarily functions to prevent
cuticle? water
loss.
Which tissue system provides Collenchyma provides structural support in
structural support in young stems? young
stems.
Why are root hairs important? Root hairs are important because they
increase the
absorptive surface area.
, Companion cells are closely Companion cells are closely associated
associated with which type of with sieve
cells? tube elements.
Where is a fibrous root system A fibrous root system is typically found in
typically found? most
monocots.
What does the root cap protect? The root cap protects the apical meristem
of the
root.
How are annual growth rings in Annual growth rings in trees are formed by
trees secondary xylem production.
formed?
What do mycorrhizae represent? Mycorrhizae represent a relationship
between
roots and fungi.
True or False: Leaves contain TRUE.
vascular tissue.
Where do lateral roots originate Lateral roots originate from the pericycle.
from?
What are some functions of Some specialized roots function to store
specialized roots? carbohydrates, anchor plants, and obtain
oxygen in
flooded soils.
