Botany 20 Exam Questions and Answers with
Verified Solutions | Latest Updated 2026
What is ethnobotany? The scientific study of relationships
between plants
and people.
How long ago did humans begin to About 10,000 years ago.
cultivate food?
What is artificial selection? The process of selecting desirable traits in
cultivated plants.
What is the nutritional value of They supply nutrients and calories.
whole
seeds?
What are the characteristics of They are sweet, rarely oily, and typically
fleshy low in
fruits? protein and vitamins.
What nutrients are found in a 100- 487 mg Potassium, 37 mg Magnesium, 17
gram serving of banana? g Sugar.
What nutrients are found in a 100- 975 mg Potassium, 58 mg Magnesium, 1 g
gram serving of avocado? Sugar.
, What is the role of dry or leathery They protect seeds mechanically but
fruits? typically have
no nutrient value when mature.
What nutrients do seeds typically Rich in carbohydrates (grasses), proteins
provide? (legumes),
and oils (nuts and peanuts).
What are carbohydrates? Sugars and the polymers of sugars.
What is starch? A storage polysaccharide of plants
consisting
entirely of glucose monomers.
What are caryopses? Also known as grains, kernels, and seeds;
they
contain an embryo (germ) and endosperm
(mostly
starch).
Which plant family is especially The grass family Poaceae.
important for carbohydrates?
What are cereal grains? Small fruits of grasses, each with one
seed,
including wheat, rice, corn, oats, rye, and
barley.
Verified Solutions | Latest Updated 2026
What is ethnobotany? The scientific study of relationships
between plants
and people.
How long ago did humans begin to About 10,000 years ago.
cultivate food?
What is artificial selection? The process of selecting desirable traits in
cultivated plants.
What is the nutritional value of They supply nutrients and calories.
whole
seeds?
What are the characteristics of They are sweet, rarely oily, and typically
fleshy low in
fruits? protein and vitamins.
What nutrients are found in a 100- 487 mg Potassium, 37 mg Magnesium, 17
gram serving of banana? g Sugar.
What nutrients are found in a 100- 975 mg Potassium, 58 mg Magnesium, 1 g
gram serving of avocado? Sugar.
, What is the role of dry or leathery They protect seeds mechanically but
fruits? typically have
no nutrient value when mature.
What nutrients do seeds typically Rich in carbohydrates (grasses), proteins
provide? (legumes),
and oils (nuts and peanuts).
What are carbohydrates? Sugars and the polymers of sugars.
What is starch? A storage polysaccharide of plants
consisting
entirely of glucose monomers.
What are caryopses? Also known as grains, kernels, and seeds;
they
contain an embryo (germ) and endosperm
(mostly
starch).
Which plant family is especially The grass family Poaceae.
important for carbohydrates?
What are cereal grains? Small fruits of grasses, each with one
seed,
including wheat, rice, corn, oats, rye, and
barley.
