Exam Questions and CORRECT Answers
2,4-D is used to control? - CORRECT ANSWER - annual broadleaf weeds in crops
Spry Oil Properties - CORRECT ANSWER - High Viscosity in Summer with high heat:
Less Phytotoxic
Low Viscosity in Winter with low heat: Heavier Oil
What is 2-4D amine? - CORRECT ANSWER - Salt
What are IGR? - CORRECT ANSWER - Insect Growth Regulators, Mimic natural
hormones and interfere with growth
Herbicides adsorbs/binds to which kind of soil? - CORRECT ANSWER - Soil with high
organic/clay content and Low pH, high temperature
Year of earliest bio control? - CORRECT ANSWER - 1200AD
Biological control became popular in 1962 with release of which book? - CORRECT
ANSWER - Silent spring
Which years during WWI was pesticide research done? - CORRECT ANSWER - 1939-
1945
What is Direct and Indirect damage in plants? - CORRECT ANSWER - Direct damage:
Feed on part of crop we use
Indirect damage: Feed on part of plant we do not use
,How is Tristeza on citrus avoided? - CORRECT ANSWER - Use tristeza free material
American Fourbrood (AFB) is caused by what? - CORRECT ANSWER - Spore forming
Paenibacillus larvae ssp. / most most widespread and destructive of brood diseases
Africanized honey bees are considered what? - CORRECT ANSWER - Agressive
The alfalfa butterfly parasite attack: ( early instars, later instars or eggs) - CORRECT
ANSWER - Early instars
Alligator Wee, Rating - CORRECT ANSWER -A
Anticoagulant baits are used because why? - CORRECT ANSWER - The don't develop
resistance in animals
Where are anticoagulants placed for mice and rats? - CORRECT ANSWER - Placed in
bait boxes ( not scattered)
How are Ants a problem? - CORRECT ANSWER - Eat tender new growth, nuisance ALL
THE ABOVE
Which are considered Pests of bee hives? - CORRECT ANSWER - Verroa and Tracheal
mites, raccoons, small hive beetle, ants, bears, skunks and mice
An appeal by a beekeepers is to What? - CORRECT ANSWER - Take sample with
inspector jointly and send a written appeal to CDFA secretary
Arrhentoky - CORRECT ANSWER - Form of parthenogenesis where unfertilized eggs
develop into males
, Ash and other trees are affected by what during cool springs? - CORRECT ANSWER -
Anthracnose
Augmentative control is defined as? - CORRECT ANSWER - Supplementing the numbers
of naturally occurring beneficial populations with mass-reared insects
Inoculative control (Augmentative) - CORRECT ANSWER - Release of beneficial is
made on the crop ONCE during season. Control is ensured for rest of season by their offsprings.
Inundative control (Augmentative) - CORRECT ANSWER - Releases are planned when
pests are only controlled by released beneficials themselves. More frequent releases are
necessary.
Bats are in general? - CORRECT ANSWER - Insectivorous
Bees pollinate what crops in desert regions? - CORRECT ANSWER - Alfalfa
Bees pollinate which crops in arid regions of CA, NV and AZ? - CORRECT ANSWER -
Cotton/Alfalfa
Biocontrol of musk thistle: Eats what part of the plant? (Seed head, stems or leaves) -
CORRECT ANSWER - See head
Bio Control on citrus has been effective for all the following except for? - CORRECT
ANSWER - Citrus Blackfly
The bio control trichogramma wasp controls what? - CORRECT ANSWER - Parasitizes
insect eggs
Black tailed jack rabbit: (game animal or non game animal) - CORRECT ANSWER -
Game animal