The following are component of a disease triangle, except:

The casual organism of root knot of most vegetables?

From which character was the name Arthropoda derived?

Which of the ff. species is a member of Poaceae

Where did Golden Apple Snails originated?

It is an species of rodents that is not a good swimmer, but is able to climb trees for food

Which of the types of insect development is referred to as gradual metamorphosis.

Not eukaryotic pathogen

The type of metamorphosis for exopterygotes is

Which of the following plant disease and their symptoms that do NOT match

The most attractive insect order because of its beautiful colorations

Which among these is not an abiotic or parasitic plant disease

Nematodes are isolated by the so-called:

Viruses are infectious particles that attack many forms of life including bacteria and plants. How can one see viruses?

Only the following is not a virus disease of rice:

In order to minimize pests infestations and garbage odor the National Solid Waste Management Law, RA 9003 mandates that all biodegradable garbage and all cellulosic waste like grasses, etc. be recycled into green charcoal. Which of the following statement is NOT correct

A principle of plant disease control that is intended to eliminate, inhibit or kill pathogens that become established within the plant in the are is:

All of the ff are measures to reduce or prevent the development of pathogens on plant surfaces EXCEPT

What is the process whereby seeds are treated with fungicide before planting to protect them from soil-borne diseases and insect pests?

One example of an acute rodenticide:

What is the symptom and cause of etiolation?

All of these weeds belong to the grass family, except:

Which among these is a broadleaf weed

Apterygote insects are known to possess this characteristics

Which one of these rice diseases is vectored or transmitted by green leafhopper?

The best method of improving effectiveness of beneficial insects is by

Which one of these rice diseases is vectored or transmitted by green leafhopper?

The green leafhoppers (GLH) cause this type of direct damage?

When an insect undergoes the 4 stages of development. What is its type of metamorphosis?

Which one of these insecticides is classified as cholinesterase enzyme inhibitor?

Which one of these insecticides affects the Na+ and K+ ions of the nerves?

Which group of insecticides is known as first generation chemicals?

Alate insects are?

A structure which can be found in the thorax

These group of insecticides are more effective against sucking insects

These group of insecticides are more effective against chewing insects

This method of pest control is also reffered to as legal control

This control method combines two or more compatible "control" methods in a sound ecological manner

The principle in IPM is to

Insect used during modern weddings

Strong pair of mandibles are highly developed in what insects

The Asiatic corn borers, Ostrinia furnacalis, is most abundant in corn during the

The damage caused by corn seedlings maggots, Atherigona oryzae, at seedling stage is called

The corn earworms, Helicoverpa armigera, is also called as

In crucifers, the leaf damage cause by this insect pest is lace-like in appearance

Scientific name of yellow squash beetles in cucurbits

A type of mouthpart that is present in an adult Lepidopteran?

The type of insect development of the order Thysanura

Among inverterbrates, only insects have this characteristics

Where is the cerci located in insects

A blight pathogen will affect the plant's capacity to

A diseased plant is considered a

Aflatoxin is formed by

For annual crops, the maximum number of nematodes parasites can be recovered during:

Fungal pathogens are often isolated using this technique

In the absence of the plants in the field, fungal pathogens will not survive in

Rye may induce this kind of affliction

Some fungal pathogens form this structure to obtain nutrients from the host

The Autogenic Theory of Disease states that:

The casual organism of root knot of most vegetables

The infective stage of root knot nematode is during

The pest population density in which the cost of control is equal or much higher than the expected cost of the protected crop

This does not characterize a root-feeding nematode

Which among the ff is not a type of root feeding nematodes?

Which is not included in Koch's postulate?

A characteristics of fungi

A fungal mycelium appearing on rotten fruit is an example of

A fungal structure used for attachment to the host surface

A kind of damage caused by the feeding of an insect through the removal of plant sap or plant parts in contrast with the damage caused by disease-transmitting insects

A seed with a virus is an important source of infection since the seed introduces

A yellowing cause by come factor other than light, such as by a virus or mycoplasma

Flagellation pattern characterized by the presence of a single flagellum

Fungi in the Philippines reproduce mainly by forming

Some nematodes serves as ____ and transmit plant viruses which contributes in disease developement

The term for eggs hatching within the uterus followed by expulsion of living young

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

This part is missing in mollicutes

Which among the ff does not belong to the five genera of phytopathogenic bacteria

The most damaging insect pests of crucifers, the larvae of which pentrates the epidermis and feed on leaf tissues

In case a disease is not known to you previously, it is necessary to resort to ____.

In Davao, this pesticide which is chemically known as Dibromochloropropane (DCBP) was used in 1970 extensively on banana plantations. However, at the end od 1980, high cases of sterility and other health concerns were recorded in ths area. The said pesticide was used to kill what certain plant pathogenic agent?

Which of the following disease is caused by viroid?

Which of the ff statement is true?

Which of the following is incorrect?

What is the government agenct that regulates movement of "would be pest"?

An example of asexual spores is

Preying mantis use this type of forelegs to catch the prey

Substances such as sex pheromones that lure insects and can be used as a means of control

The growth stage/s that of the rice plant that is/are most preffered by rice bug

A liquid pesticide formulation that does not dissolve in water but is dissolved in organic solvents

Rats breed rapidly during

Population dynamics of rodents is more stable in

The main mechanism by which rats can quickly repopulate croplands following population reduction

This type of antenna is found among scarabaeid beetles

The following factors affecting the population dynamics of rodents except

The ff are example of chronic rodenticide except

The vector of bubonic plague bacteria

A known non-spore forming fungi is

Which of the ff is not a mechanical weapon used by plant pathogens to penetrate plant tissues?

Erionata thrax is also known as