MCQs of Biology – Biopesticides

Pesticides kill:

Pesticides include:

Boreaux mixture is a well known:

Chlorinated hydrocarbons are used as most effective:

Pyrethoids are:

Methyl Isocyanate( MIC) is the raw material for synthesizing:

Non- target organism of DDT is:

2,4- d and 2,4,5- Tare:

DCMU is often used as:

Pyrethrin is obtained from floral head of:

DDT exhibits:

DDT persists in human body upto:

Bordeaux mixture was first used on grapes for controlling:

Malathion, Ethion and Parathion are:

Chemical pesticides are usually:

Cercospora rodmanii is a pathogen recommended for controlling:

Puccinia chondrillina has been successfully used for controlling:

Microbes used for controlling weeds are:

Best method of weed control is:

A bioherbicide produced from conidia of colletortichum gloeosporioides is:

Natural insecticides were first used by:

Ideal pesticide is one which:

The first herbicide developed in 1981 was produced by:

Neem oil is obtained from Azadirachta indica using its:

Chemical herbicides generally interfere with:

Bioherbicides are used for:

Best example of bacterial insecticide is:

Pseudomonas cepacia has been used to control:

Most common pathogen of insects is:

Genes of Bacillus thuringiensis has been used to introduce insecticidal property in:

Bacillus thuringiensis is a bacterium parasitizing on insects:

Bacillus thuringiensis parasities on:

Pseudomonas cepacia is a:

Antibiotic pyrrolnitrum is produced by:

Thuringiensin is:

LD- 5-= and LD- 100 doses are specified while using a:

Control of aphids ( homopterous insects) is done by introducing:

IPM ( Intgergrated Pest Management) includes:

IPM is infact an:

Neem oil is commonly known as:

Rotenone is obtained from roots of:

Cinerin is a natural insecticide produced by:

Neem oil repels:

Pheromones are used with death traps of:

Oriental fruit fly has been eradicated using:

Pheromones are:

Red weavil and screw worm have been controlled by:

Nematodes can be controlled by using:

Insecticidal property is found in:

Transgenic plants carrying Bt- genes are capable of synthesizmg: