Crop Midterm
What is a berry?
A berry is a single fleshy fruit without a stone, usually containing a number of seeds. Kiwi, Banana, Tomato, Pepper, Passionfruit
What is a drupe?
A drupe is a single fleshy fruit with a hard stone which contains a single seed. Cherry, Apricot, Olive, Peach, Coconut
What is a monocot?
A flowering plant with an embryo that bears a single cotyledon (seed leaf). They typically have elongated stalkless leaves with parallel veins (e.g., grasses, lilies, palms).
What is a dicot?
A flowering plant with an embryo that bears two cotyledons (seed leaves). a flowering plant with an embryo that bears two cotyledons (seed leaves). They typically have broad, stalked leaves with netlike veins (e.g., daisies, hawthorns, oaks).
What is a follicle?
A follicle is a dry dehiscent fruit which splits on one side only. It may contain one or many seeds.
After fertilization, the ovary of a flower develops into?
A fruit
What is a fruit?
A fruit is the seed-bearing structure in flowering plants (angiosperms) formed from the ovary after flowering. Means by which angiosperms disseminate seeds.
What is a hesperidium?
A hesperidium is a berry with a tough, aromatic rind. All citrus fruits are hesperidium.
What is a legume?
A legume is dry dehiscent fruit which splits along two seams.
What is an angiosperm?
A plant that has flowers and produces seeds enclosed with a carpel. The angiosperms are a large group and include herbaceous plants, shrubs, grasses, and most trees.
What is a pome?
A pome is a fleshy fruit with a thin skin, not formed from the ovary by another part of the plant. Sometimes called accessory fruits. The seeds are contained in chambers in the center of the fruit. Apple, Pear, Quince.
What is a coleoptile?
A protective covering around the shoot of a monocot
What is a pseudocarp?
A pseudocarp is a false fruit, because it does not contain seeds? The seeds are achenes, on the outside of a fleshy fruit. Strawberry.
Which hormone stimulates the rapid opening and closing of stomata when plants are suffering from water deficit?
Abscisic acid
What is an aggregation of drupes?
An aggregation of drupes is a fleshy fruit, made up of many drupes but formed from a single flower, each drupe containing one seed. Raspberry, Blackberry, Loganberry
What is the scientific name for marijuana?
Cannabis santiva
Each segment of an orange develops from a?
Carpel
What is the legal drug that comes from opium poppy?
Codeine
Which hormone stimulates the growth of buds and sprouts on tree stumps?
Cytokinin
Which hormone would keep cut flowers fresh?
Cytokinin
What is opium categorized as?
Depressant or sedative
Which genus is cocaine a part of?
Erythroxylum
What hormone is responsible for flowering?
Ethylene
Which hormone is a gas that hastens fruit ripening?
Ethylene
The application of which hormone will result in normal growth when applied to dwarf plants?
Gibberellin
Which hormone breaks seed dormancy?
Gibberellin
Which of the following citrus fruits originated in the New World as a result of a cross between an: orange and a pummelo?
Grapefruit
Which fruit became popular in North America after it's name was changed from the Chinese Gooseberry?
Kiwifruit
Where is cocaine extracted from?
Leaves
What is a medical use for cocaine?
Local anesthetic
What is the major active chemic in peyote?
Mescaline
What plant contains lysergic acid alkaloids?
Morning glory
What is an example of a dry indehiscent fruit?
Nut, Achenes, Grains
A hesperidium with aromatic oils in the skin is the technical description of which fruit?
Orange
What part of the flower develops into a seed after fertilization?
Ovule
What is the scientific name of opium poppy?
Papaver somniferum
Which of the following fruits is a pome?
Pear
A cucumber is an example of a?
Pepo
A common example of a multiple fruit is?
Pineapple
Which part of the embryo emerges first during germination?
Radicle
What is cocaine categorized as?
Stimulant
Which of the following is an accessory fruit?
Strawberry
What is the active principle in Marijuana?
THC
Where is crude opium obtained?
The capsule of opium poppy
What is phototropism?
The orientation of a plant or other organism in response to light, either toward (positive) or away from (negative).
What is a hilum?
The scar on a seed marking the point of attachment to its seed vessel.
Which of the following fruits was long thought to be poisonous?
Tomatoes
What is a pepo?
a pepo is a fleshy fruit with a leathery skin, formed from an inferior ovary. Cucumbers, Water Melon, Pumpkin.
What is nicotine classified as?
an alkaloid
