When insects remain in dormant stage due to temperatures lower than the optimum, they are said to have undergone

When insects remain in dormant stage due to temperatures higher than the optimum, they are said to have undergone

The amount of energy transferred from one trophic level to other trophic level is

The concept that no two species with identical ecological requirements can coexist in the same place, was proposed by

All the living organisms on earth interacting with the physical environment as a whole are referred to as the

A specific strain of a species adapted to a particular set of environmental conditions

The physical and biological restraints that prevent a species from realizing its biotic potential

The rate of death and expectation of life at various time intervals during the life span of an insect are indicated by

A compilation of bar graphs of the ration of one age group to another in a population is called

The specific position of a species within a community including utilization of resources both in qualitative and quantitative terms is referred to as

A commensalitic relationship in which one kind of animal attaches to another and thereby gains a mode of transportation, is called

The increase in concentration of a substance (usually a pesticide) in animal tissue as related to the animal's higher position in the food chain

A population of a pest species that differs from other populations of the species in its ability to attack a particular cultivar

A simplified linear depiction of trophic relationships that illustrates the flow of energy from producers to herbivores to carnivores

A situation in which a pest population, after having been suppressed, rebounds to numbers higher than before suppression occurred

An interaction where one of the organisms is harmed by the associated unaffected organisms is called

The complete dependence of one organism over another is called

A symbiotic association in which one individual derives benefit and the other is neither helped nor harmed

Speciation without geographic isolation is called as

Study of associations of organisms in relation to a particular area or habitat is

The response of insects to environmental rhythms of light and darkness is known as

The following is example of cannibalism in insects

Genetic changes in populations caused by random phenomenon rather than by selection

Any unit that includes all the organisms in a given area interacting with the physical environment is called

The type of diapause in which every individual in every generation enters diapause is called

Obligate diapause is usually seen in

Adult diapause is seen in which of the following insect

Pupal diapause is seen in

Viceroy butterfly which resembles with monarch is thus also avoided by birds is an example of

Many species live in the nests of ants and termites as guests are called as

In tiger stripe butterfly complex found in South America many species of different families resemble each other and all are distasteful. This is an example of

Capture recapture method is a _ method of estimates of pest population

Which of the following method is used for relative estimates of pest population ?

Which of the following is an example of Density - independent factors?

Insects which live in places with neither excess nor deficiency of water are known as

Which one of the following is a reason for the population outbreaks?

Egg parasitoids belong to the family

Which of the following laboratory host is used for the multiplication of egg parasitoids?

Which one of the following is most threatening to the rice meal moth mass multiplication?

Rice meal moth is widely used for the rearing of the following parasitoids

Which of the following families contain effective predators of insect pests?

Which of the following families contain effective predators of insect pests?

Release of natural enemies that are expected to colonize and spread throughout an area naturally is called

The type of release in which control is expected from the progeny and subsequent generations and not from the release itself

Which one of the following is an attribute of an effective natural enemy?

Which precaution is necessary for introducing a parasitoid or predator in a locality?

The important family of Hymenoptera which contain effective parasitoids

Important family which containing effective predators of insect pests

A type of parasitism where more individuals of the same species are present in a single host that can complete development in a normal way is known as

Type of parasitism where the host is attacked by two or more species of parasitoids is called as

A parasitic species grows parasitically on other parasitic species, this phenomenon is called as

White tailed mealy bug, Ferrisia virgata (Cockerell) - is used for the rearing of following coccinellid predator

Which one of the following is a parasitoid of wooly apple aphid, Eriosoma lanigerum?

San Jose scale has been successfully controlled in India by the importation of

The following insect is controlled by the Nuclear polyhedral virus

Following fungus is effective on root grubs

Egg larval parasitoid, Chelonus blackburni is used to check the population of

Platygaster oryzae is the bio - control agent of

Sugarcane leaf hopper, Pyrilla perpusilla Walker (Hemiptera: Fulgoridae), is controlled by release of lepidopteran parasitoid

Dr. Hans R. Herren was awarded the world food prize for his work on biological control of cassava mealy bug in

Cassava mealy bug, Phenococcus manihoti (Homoptera: Pseudococcidae) in Africa was successfully controlled by importation and augmentation of

Cassava mealy bug, in Africa was successfully controlled by importation and augmentation of Epidinocarsis lopezi from

The first successful attempt to utilize biological control involved the importation of

The All India Coordinated Research Project on Biological Control of crop pests and weeds (AICRPBC) was started in

Which one of the following is biocontrol agent of cotton white fly?

The beetle, Zygogratnma bicolorata, introduced for the control of congress grass, is also found to be a pest on

The stage of the rice gall midge is parasitized by Platygaster oryzae

A strain of Trichogramma chilonis has been developed in India which is resistant to

The green lacewing is a predator of

The first record of an insect disease caused by a fungal pathogen is that of

The following is natural enemy of mite

Which one of the following is natural enemy of congress grass, Parthenium hysterophorus?

Which one of the following is natural enemy of Lantana camera?

Natural enemy of Prickly pear weed, Opuntia dillenii is

Which stage of sugarcane pyrilla is parasitized by Tetrastichus pyrillae?

Bacillus popilliae is mass multiplied on the host

Which one of the following is commercial formulation of Bacillus popilliae?

Which one of the following is commercial formulation of Bacillus thruringiensis var. galleriae?

Which one of the following is commercial formulation of Bacillus thuringiensis?

Mycar is a commercial formulation containing

The Nation Bureau of Agriculturally Important Insects formerly Project Directorate of Biological control (PDBC) came into being in

The Nation Bureau of Agriculturally Important Insects formerly Project Directorate of Biological control (PDBC) is located at