Tag: biopesticide

Questions Related to biopesticide

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Plant and animal quarantines are included in

  1. Regulatory methods

  2. Chemical methods

  3. Cultural methods

  4. Monitoring method

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Integrated pests management is a method which uses the natural agents like the microbes and insects to control the population of other harmful pests and insects. Different methods are used for the control of the pests. When the plant and the animals are affected by the pests or disease, they are shifted to a place and quarantined to prevent the other plants and animals from getting affected. These are considered under the regulatory methods. 

Thus, the correct answer is option A. 

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Monitoring includes

  1. Identification of pests and their capability of potential damage

  2. Selection of best possible pest management methods

  3. Setting of economic threshold level

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Monitoring is a comprehensive process that includes identifying pests, assessing their damage potential, and setting thresholds to guide management decisions.

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

The practices like exclusion by screens, hand destruction are included in which of the following stage of integrated pests management?

  1. Biological method

  2. Mechanical method

  3. Regulatory methods

  4. Chemical methods

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Integrated pests management is a method which uses the natural agents like the microbes and insects to control the population of other harmful pests and insects. Mechanical control is applied when the pests reach an unacceptable level. This method includes techniques like screens, beating with stick, bagging fruit, sieves, hand-picking, barriers, traps, vacuuming and tillage to disrupt breeding. 

Thus, the correct answer is option B.

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

The phenomenon of using a predator for controlling a pest is

  1. Biological control

  2. Genetic engineering

  3. Artificial control

  4. Confusion technique

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biological control is a method to control pest by using living microorganisms or its product. It is used as natural enemies like the predators, parasites, pathogens, and competitors to suppress and maintain populations of a target pest species (insects, mites, weeds, plant pathogens, and other pest organisms). This is the most widely used method in today's world for the control of pests. 

Thus, the correct answer is option A. 

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

The first bioherbicide developed in $1981$ was based on

  1. <p>Phytophthora palmivora</p>

  2. <p>Phytophthora infestans</p>

  3. <p>Bacillus thuringenesis</p>

  4. <p>Azadirachta indica</p>

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Phytophthora palmivora was the active agent in Devine, which was the first registered bioherbicide in 1981. It was used to control milkweed vine in citrus groves.