Forestry Biology Examination Questions
and Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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Question 1
Forestry is the science and practice of:
A. Studying only animals
B. Growing agricultural crops only
C. Managing mineral resources
D. Managing forests and forest resources
Answer: D. Managing forests and forest resources
Rationale: Forestry involves the management, conservation, and utilization of
forest ecosystems and resources.
Question 2
A forest ecosystem consists of:
A. Trees only
B. Soil only
C. Wildlife only
D. Living organisms and their physical environment
Answer: D. Living organisms and their physical environment
Rationale: Forest ecosystems include plants, animals, microorganisms, soil, water,
and climate factors.
,Question 3
The dominant plant organisms in forests are:
A. Mosses
B. Grasses
C. Fungi
D. Trees
Answer: D. Trees
Rationale: Trees form the main structural component of forest ecosystems.
Question 4
The scientific study of trees is called:
A. Zoology
B. Ecology
C. Botany
D. Dendrology
Answer: D. Dendrology
Rationale: Dendrology focuses on the identification, classification, and study of
woody plants.
Question 5
The outer protective layer of a tree trunk is the:
A. Cambium
B. Xylem
C. Pith
D. Bark
Answer: D. Bark
Rationale: Bark protects internal tissues from damage, pathogens, and
environmental stress.
,Question 6
The tissue responsible for secondary growth in trees is the:
A. Epidermis
B. Phloem
C. Cortex
D. Vascular cambium
Answer: D. Vascular cambium
Rationale: The vascular cambium produces new xylem and phloem, increasing
stem diameter.
Question 7
Xylem transports:
A. Sugars
B. Hormones only
C. Oxygen
D. Water and minerals
Answer: D. Water and minerals
Rationale: Xylem conducts water and dissolved minerals from roots to other plant
parts.
Question 8
Phloem transports:
A. Water only
B. Carbon dioxide
C. Minerals only
D. Sugars and organic nutrients
Answer: D. Sugars and organic nutrients
, Rationale: Phloem distributes carbohydrates produced during photosynthesis.
Question 9
The process by which trees produce food is:
A. Respiration
B. Transpiration
C. Germination
D. Photosynthesis
Answer: D. Photosynthesis
Rationale: Photosynthesis converts light energy, carbon dioxide, and water into
sugars.
Question 10
The primary pigment involved in photosynthesis is:
A. Carotene
B. Xanthophyll
C. Anthocyanin
D. Chlorophyll
Answer: D. Chlorophyll
Rationale: Chlorophyll captures light energy needed for photosynthesis.
Question 11
The main gas absorbed by trees during photosynthesis is:
A. Oxygen
B. Nitrogen
C. Hydrogen
D. Carbon dioxide
and Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
Question 1
Forestry is the science and practice of:
A. Studying only animals
B. Growing agricultural crops only
C. Managing mineral resources
D. Managing forests and forest resources
Answer: D. Managing forests and forest resources
Rationale: Forestry involves the management, conservation, and utilization of
forest ecosystems and resources.
Question 2
A forest ecosystem consists of:
A. Trees only
B. Soil only
C. Wildlife only
D. Living organisms and their physical environment
Answer: D. Living organisms and their physical environment
Rationale: Forest ecosystems include plants, animals, microorganisms, soil, water,
and climate factors.
,Question 3
The dominant plant organisms in forests are:
A. Mosses
B. Grasses
C. Fungi
D. Trees
Answer: D. Trees
Rationale: Trees form the main structural component of forest ecosystems.
Question 4
The scientific study of trees is called:
A. Zoology
B. Ecology
C. Botany
D. Dendrology
Answer: D. Dendrology
Rationale: Dendrology focuses on the identification, classification, and study of
woody plants.
Question 5
The outer protective layer of a tree trunk is the:
A. Cambium
B. Xylem
C. Pith
D. Bark
Answer: D. Bark
Rationale: Bark protects internal tissues from damage, pathogens, and
environmental stress.
,Question 6
The tissue responsible for secondary growth in trees is the:
A. Epidermis
B. Phloem
C. Cortex
D. Vascular cambium
Answer: D. Vascular cambium
Rationale: The vascular cambium produces new xylem and phloem, increasing
stem diameter.
Question 7
Xylem transports:
A. Sugars
B. Hormones only
C. Oxygen
D. Water and minerals
Answer: D. Water and minerals
Rationale: Xylem conducts water and dissolved minerals from roots to other plant
parts.
Question 8
Phloem transports:
A. Water only
B. Carbon dioxide
C. Minerals only
D. Sugars and organic nutrients
Answer: D. Sugars and organic nutrients
, Rationale: Phloem distributes carbohydrates produced during photosynthesis.
Question 9
The process by which trees produce food is:
A. Respiration
B. Transpiration
C. Germination
D. Photosynthesis
Answer: D. Photosynthesis
Rationale: Photosynthesis converts light energy, carbon dioxide, and water into
sugars.
Question 10
The primary pigment involved in photosynthesis is:
A. Carotene
B. Xanthophyll
C. Anthocyanin
D. Chlorophyll
Answer: D. Chlorophyll
Rationale: Chlorophyll captures light energy needed for photosynthesis.
Question 11
The main gas absorbed by trees during photosynthesis is:
A. Oxygen
B. Nitrogen
C. Hydrogen
D. Carbon dioxide
