©SIRJOEL 2024/2025 ALL RIGHTS RESERVED.
CDFA IPM Exam (Revised) Questions And
Answers 100% Guaranteed Pass.
2,4-D is used to control? - Answer✔annual broadleaf weeds in crops
Spry Oil Properties - Answer✔High Viscosity in Summer with high heat: Less Phytotoxic
Low Viscosity in Winter with low heat: Heavier Oil
What is 2-4D amine? - Answer✔Salt
What are IGR? - Answer✔Insect Growth Regulators, Mimic natural hormones and interfere with
growth
Herbicides adsorbs/binds to which kind of soil? - Answer✔Soil with high organic/clay content
and Low pH, high temperature
Year of earliest bio control? - Answer✔1200AD
Biological control became popular in 1962 with release of which book? - Answer✔Silent spring
Which years during WWI was pesticide research done? - Answer✔1939-1945
What is Direct and Indirect damage in plants? - 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? - Answer✔Use tristeza free material
American Fourbrood (AFB) is caused by what? - Answer✔Spore forming Paenibacillus larvae
ssp. / most most widespread and destructive of brood diseases
Africanized honey bees are considered what? - Answer✔Agressive
The alfalfa butterfly parasite attack: ( early instars, later instars or eggs) - Answer✔Early instars
Alligator Wee, Rating - Answer✔A
Anticoagulant baits are used because why? - Answer✔The don't develop resistance in animals
Where are anticoagulants placed for mice and rats? - Answer✔Placed in bait boxes ( not
scattered)
1|Page
, ©SIRJOEL 2024/2025 ALL RIGHTS RESERVED.
How are Ants a problem? - Answer✔Eat tender new growth, nuisance ALL THE ABOVE
Which are considered Pests of bee hives? - Answer✔Verroa and Tracheal mites, raccoons, small
hive beetle, ants, bears, skunks and mice
An appeal by a beekeepers is to What? - Answer✔Take sample with inspector jointly and send a
written appeal to CDFA secretary
Arrhentoky - Answer✔Form of parthenogenesis where unfertilized eggs develop into males
Ash and other trees are affected by what during cool springs? - Answer✔Anthracnose
Augmentative control is defined as? - Answer✔Supplementing the numbers of naturally
occurring beneficial populations with mass-reared insects
Inoculative control (Augmentative) - 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) - Answer✔Releases are planned when pests are only
controlled by released beneficials themselves. More frequent releases are necessary.
Bats are in general? - Answer✔Insectivorous
Bees pollinate what crops in desert regions? - Answer✔Alfalfa
Bees pollinate which crops in arid regions of CA, NV and AZ? - Answer✔Cotton/Alfalfa
Biocontrol of musk thistle: Eats what part of the plant? (Seed head, stems or leaves) -
Answer✔See head
Bio Control on citrus has been effective for all the following except for? - Answer✔Citrus
Blackfly
The bio control trichogramma wasp controls what? - Answer✔Parasitizes insect eggs
Black tailed jack rabbit: (game animal or non game animal) - Answer✔Game animal
Botrytis characteristics and control - Answer✔Characteristic: Fungus overwinters as sclerotia in
berry mummies on the ground or hanging on vines and in canes. Spore production occur in
spring. Infections may occur during bloom should rains occur. Late infections are most severe
when RH exceeds 92%.
Control: Good coverage of fungicides on canopy. Using cultural control methods like leaf
removal, using resistant varieties.
Broomrape is a pest of? - Answer✔Tomatoes
A burrow baiting machine works poorly in which soil? - Answer✔Sandy or muddy soil
Causal agent of AFB? - Answer✔Bacterial (bacillus larvae)
2|Page
CDFA IPM Exam (Revised) Questions And
Answers 100% Guaranteed Pass.
2,4-D is used to control? - Answer✔annual broadleaf weeds in crops
Spry Oil Properties - Answer✔High Viscosity in Summer with high heat: Less Phytotoxic
Low Viscosity in Winter with low heat: Heavier Oil
What is 2-4D amine? - Answer✔Salt
What are IGR? - Answer✔Insect Growth Regulators, Mimic natural hormones and interfere with
growth
Herbicides adsorbs/binds to which kind of soil? - Answer✔Soil with high organic/clay content
and Low pH, high temperature
Year of earliest bio control? - Answer✔1200AD
Biological control became popular in 1962 with release of which book? - Answer✔Silent spring
Which years during WWI was pesticide research done? - Answer✔1939-1945
What is Direct and Indirect damage in plants? - 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? - Answer✔Use tristeza free material
American Fourbrood (AFB) is caused by what? - Answer✔Spore forming Paenibacillus larvae
ssp. / most most widespread and destructive of brood diseases
Africanized honey bees are considered what? - Answer✔Agressive
The alfalfa butterfly parasite attack: ( early instars, later instars or eggs) - Answer✔Early instars
Alligator Wee, Rating - Answer✔A
Anticoagulant baits are used because why? - Answer✔The don't develop resistance in animals
Where are anticoagulants placed for mice and rats? - Answer✔Placed in bait boxes ( not
scattered)
1|Page
, ©SIRJOEL 2024/2025 ALL RIGHTS RESERVED.
How are Ants a problem? - Answer✔Eat tender new growth, nuisance ALL THE ABOVE
Which are considered Pests of bee hives? - Answer✔Verroa and Tracheal mites, raccoons, small
hive beetle, ants, bears, skunks and mice
An appeal by a beekeepers is to What? - Answer✔Take sample with inspector jointly and send a
written appeal to CDFA secretary
Arrhentoky - Answer✔Form of parthenogenesis where unfertilized eggs develop into males
Ash and other trees are affected by what during cool springs? - Answer✔Anthracnose
Augmentative control is defined as? - Answer✔Supplementing the numbers of naturally
occurring beneficial populations with mass-reared insects
Inoculative control (Augmentative) - 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) - Answer✔Releases are planned when pests are only
controlled by released beneficials themselves. More frequent releases are necessary.
Bats are in general? - Answer✔Insectivorous
Bees pollinate what crops in desert regions? - Answer✔Alfalfa
Bees pollinate which crops in arid regions of CA, NV and AZ? - Answer✔Cotton/Alfalfa
Biocontrol of musk thistle: Eats what part of the plant? (Seed head, stems or leaves) -
Answer✔See head
Bio Control on citrus has been effective for all the following except for? - Answer✔Citrus
Blackfly
The bio control trichogramma wasp controls what? - Answer✔Parasitizes insect eggs
Black tailed jack rabbit: (game animal or non game animal) - Answer✔Game animal
Botrytis characteristics and control - Answer✔Characteristic: Fungus overwinters as sclerotia in
berry mummies on the ground or hanging on vines and in canes. Spore production occur in
spring. Infections may occur during bloom should rains occur. Late infections are most severe
when RH exceeds 92%.
Control: Good coverage of fungicides on canopy. Using cultural control methods like leaf
removal, using resistant varieties.
Broomrape is a pest of? - Answer✔Tomatoes
A burrow baiting machine works poorly in which soil? - Answer✔Sandy or muddy soil
Causal agent of AFB? - Answer✔Bacterial (bacillus larvae)
2|Page
