iCEV plant eval. review

what are important factors for plant quality? (three correct answers)

• crop yields

• color of flowers

• appearance

• life span

Answer explanation

LIFESPAN IS NOT A DETERMINATE OF PLANT QUALITY

it is uncommon if a plant produces... (theres one correct answer)

• fruit

• poison

• roots

• leaves

the main purpose of of roots is to absorb _______ and _______

• water and sunlight

• sunlight and nutrients

• carbon dioxide and water

• water and nutrients

which of these are nutrients that plants need? (there's 4 correct answers)

• potassium

• sulfur

• phosphorus

• hydrogen

• nitrogen

Answer explanation

Nitrogen potassium and phosphorus are called MACROnutrients. Sulfur is one of many MICROnutrients. hydrogen IS NOT a nutrient plants need more of.

which of these is a cold weather plant... (can handle the cold weather), (there's one correct answer)

• watermelons

• cacti

• corn

• carrots

Answer explanation

corn is a warm season crop.

mellons are warm season veggies.

cacti like the heat not the cold...

what does high temperatures leed to in plants? (theres one correct answer)

• off color pigmentation

• heat stress

• inevitable plant death

• necrosis

Answer explanation

necrosis happens because pf nutrient deficiency.

heat only kills the entire plant at 130*F.

Off-color pigmentation happens because of sunburn on the plant not the high temperature.

heat stress is high heat exposure over a long period of time. plant acts exhausted.

caterpillars are ____ that usually turn into ____

• worms, earth worms

• larva, ladybugs

• larva, moths

• worms, moths

which organisms are HELPFUL to plants (there's one correct answer)

• thrips

• spiders

• moths

• spittle bugs

• whitflies

Answer explanation

all but spiders are parasitic to plants

rusts are classified as which of the following?

• fungus

• bacteria

• virus

• cancer

what industry do plants fall under?

• agriculture

• mechanics

• technology

• construction