Question 1

What are the main molecule classes in primary metabolism?

Accepted Answer

carbohydrates, lipids, amino acids and proteins

Answer

Alkaloids, Phenolics, Terpenes

Answer

Vitamins, Pigments, Minerals

Answer

Nucleic acids, Hormones, Enzymes

Question 2

What are the molecule classes in secondary metabolism?

Accepted Answer

Alkaloids, Phenolics, Terpenes

Answer

carbohydrates, lipids, amino acids and proteins

Answer

Vitamins, Pigments, Minerals

Answer

Nucleic acids, Hormones, Enzymes

Question 3

Why do plants produce secondary compounds?

Accepted Answer

Defense, protection, and attraction

Answer

To enhance primary metabolism

Answer

For basic cellular functions

Answer

To store energy

Question 4

What is the function of the dermal tissue in plants?

Accepted Answer

Outer covering modified for protection & water absorption

Answer

Carries out photosynthesis

Answer

Provides long distance transport of material

Answer

Stores nutrients

Question 5

Which tissues are included in the vascular tissue of plants?

Accepted Answer

Xylem and phloem

Answer

Epidermis and cortex

Answer

Dermal and ground

Answer

Stomata and guard cells

Question 6

What is the role of xylem in plants?

Accepted Answer

Provides long-distance transport of water and nutrients

Answer

Facilitates gas exchange

Answer

Produces energy through photosynthesis

Answer

Protects the plant from external threats

Question 7

What is the function of phloem in plants?

Accepted Answer

Provides long-distance transport of sugars and organic substances

Answer

Produces secondary compounds

Answer

Absorbs water efficiently

Answer

Provides protection to the plant

Question 8

What is the largest class of secondary metabolites?

Accepted Answer

Terpenes

Answer

Phenols

Answer

Alkaloids

Answer

Monosaccharides

Question 9

What is the primary function of terpenes in plants?

Accepted Answer

Cell growth modulation, light harvesting, photoprotection, control of membrane fluidity

Answer

Seed dispersal

Answer

Water transport

Answer

Nutrient absorption

Question 10

Which group of plant compounds is defined generally as having plant compounds containing a nitrogen atom in a ring structure?

Accepted Answer

Alkaloids

Answer

Phenols

Answer

Flavonoids

Answer

Terpenoids

Question 11

Which of the following is a primary function of alkaloids in plants?

Accepted Answer

Defense against herbivores

Answer

Photosynthesis

Answer

Stem growth

Answer

Seed dispersal

Question 12

What are phenolics?

Accepted Answer

Weakly acidic, simple, aromatic molecules with a hydroxyl group attached to an aromatic ring – Sometimes the hydroxyl group is ‘lost’

Answer

Wood and bark characteristics

Answer

Roles in plant defense

Answer

Cell wall structural roles

Answer

Plant reproduction characteristics

Question 13

Which of the following is NOT a role of phenolics in plants?

Accepted Answer

Regulation of plant growth

Answer

Contribution to wood and bark characteristics

Answer

Enhancement of flower color

Answer

Promotion of plant reproduction

Answer

Defense against pathogens

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