Questions with Correct Answers
Symptoms of abiotic disorders start suddenly and __________.
a. do not spread through a plant or to other plants
b. spread quickly from one plant to another
c. are unlikely to kill the affected plant a. do not spread through a plant or to other plants
Annual, biennial, perennial are the three possible life cycles of ____________.
a. weeds
b. vertebrates
c. pathogens a. weeds
Which of these pests attack both plants and animals on a farm?
a. thrips
,b. mites
c. lice b. mites
A pesticide is defined as
a. any substance used to control pests in any situation
b. only those chemicals registered for pest control in California
c. certain pests control products derived from natural sources a. any substance used to
control pests in any situation
What pesticide controls the following?
- persea mites
- ticks acaricide
What pesticide controls the following?
- little mallow
, - yellow nutsedge herbicide
What pesticide controls the following?
- snails
- slugs molluscidide
What pesticide controls the following?
- ground squirrels
- pocket gophers rodenticide
What signal word goes with its oral LD50 - from 50 to 500 mg/kg
1. Danger
2. Caution
3. Warning 3. Warning - from 50 to 500 mg/kg