Conditions caused by inanimate agents are also called

Which characterizes viroids?

These pathogens are commonly disseminated by insects

This refers to the sequence of events that leads to and is involved In the production of disease

This occurs when the pathogen has become established in the Plant tissues and obtains nutrients from the host

Which of the following is now a survival structure?

What is the term for the plant disease epidemics that occur Throughout the world?

Considered father of Philippine phytopathology and dean of Filipino Plant pathologists

He invented the microscope

He was the first Filipino Acarologist who spearheaded the research On mites in the Philippines in 1961

The physical removal of insect pests from the infested plants is an Example of

Includes all adverse effects exeted by the plant in the insects Survival, development and reproduction

Which of the following rice pests possesses chewing type of Mouthparts during the destructive stage?

An insect which carries and transmits a Disease -causing organism to a plant

The causal agent of soft rot of vegetables is

The causal agent of bacterial wilt of tomato is

The corn disease incited by Bipolaris maydis may be controlled by

A common symptom of diseases caused by fungi

The use of oil is a Type of method against insect pests

The effects of one plant on another plant due to the chemicals That it releases

The term that collectively describes the effects of both competition And allelopathy

The point during the life cycle of a crop when it most affected with The competition by weeds

The weed density, higher than which significant yield losses will be Observed

The weed density and duration when the crop is most affected

The process of decreasing weed population to minimize Competition

The study of weeds and their control

Chemicals that are used to kill weeds

The world’s worst weed based on distribution

These genera of weeds resemble rice at its seedling stage

The component of a pesticide that act as surface active agents

The presidential decree number which created the Fertilizer and Pesticide Authority

The year when the FPA was promulgated

The color code of the least toxic pesticides

Herbicides with the blue band belong to what category?

How many categories of pesticides are there based on toxicity?

The word ‘CAUTION’ is the signal word for what category of Pesticides?

The chemical family to which 2,4-D belongs

This group of insecticides inhibits the cholinesterase enzyme of Insect pests

Buthachlor or Machete EC belongs to this group of herbicide

The anteriomost vein of an insect forewing is

The Pterygote insects include the following except

Nephotettix virescens belong to the Suborder

The insect order characterized by having scales on its Membranous wings

The third segment of the dorsal part of abdomen is

The injury caused by a “putakti” comes from this body region of The insect

The thrips belong to this order

Human louse!’s life cycle is

Naiad is a part of this metamorphosis

Nymph is a part of this metamorphosis

Fungal pathogens that do not produce any spores

Macroconidia and microconidia are formed by

A character of hyphae that is found only in the basidiomycetous Fungi

An ascocarp in fungi with a pore at the top and the wall of its own

Which is not a district characteristic of Class Loculoascomycetes of Fungi

Spores produced from fragmentation of hyphal cells

The primary reproductive structures of fungi are

The Formae specialis isa sub-specific classification of fungi, which is based on

Which among the following is not a fungi?

Which is not a characteristic of true fungi?

This is the outer non-cellular layer covering the nematode body And is shed-off during molting

A feeding structure that distinguishes plant parasitic from non- Plant parasitic nematodes

Where are the eggs of root-knot nematode deposited?

The typical life cycle of Meloidogyne incognita

Which of the following is not typical of nematode injury to plants

Plant parasitic nematodes are diagnosed by examining

What is the typical number of juvenile stages in the life cycle of a Nematode?

These are nematodes which produce eggs that hatch after being Laid

Nematode species that require the presence of both male and Females for reproduction to Occur

Nematodes possessing both functional male and female Reproductive organs

Author of the “Germ Theory of Disease”

Proposed “The Sun Spot Cycle Theory” in relation to locust Outbreaks

This is not a characteristic of plant viruses

This is the component of plant viruses

A disease caused by a plant viroid

This is not a morphological shape of plant viruses

Which among the following may transmit plant viruses

Which among the following are symptoms of a plant virus

This is not a type of plant viruses according to persistence in their Insect vector

This is not a method of plant virus diseases diagnosis.

Which of the following pests is not an arthropod?

Bactrocera dorsalis isa pest of this fruit crop

A cultural practice against pest utilized to enhance the activities And survival of natural enemies

The use of adhesive substance is a Pests

Early harvest is a Type of control against pests

Cold storage could also be used against pests and is considered a Method of control

Water management can be categorized under all methods of Control except

IPM employs a variety of tactics, and the least type of method that Could be used is

A category of pest cause no significant damage under the Conditions currently prevailing, however, this can be a key or Occasional pest if conditions in the field are disrupted

The term used for non-resident pests is

This method involves manipulation of the cultural management Practices to suppress the weeds

Grassy weeds (Poaceae) locks similar to sedges except that their Stem called culm is

The hairy membranous outgrowth in between leafs heat and leaf Blade in grasses is called

A weed considered as a true-parasite

This is an example broad-leaf weed

This is an example of a grass weed

Which among the following weed species is a perennial grass

Which among the following weed species reproduces by seed Alone?

Which among the following weeds are spread easily by wind?

Major weeds of crops deposited in the soil seedbank are estimated

An adjuvant or surfactants that improve absorption of herbicide by Raising the humidity or spray film and leaf surface