Tag: microbes and farming

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Questions Related to microbes and farming

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Viruses of genus Nucleopolyhedrovirus are employed as.

  1. Gobar gas producers

  2. Biological control agents

  3. Anaerobic sludge digesters

  4. Antibiotics

  5. Atmospheric nitrogen fixing agents
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Viruses of genus Nucleopolyhedrovirus , Baculoviruses are species-specific narrow spectrum biocontrol agents for plant pathogens.

Correct answer-B

Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Which of the following statements is correct with regard to biocontrol agents ?

  1. Ladybird and dragonflies are used to get rid of aphids and mosquitoes respectively.

  2. Bacillus thuringiensis bacteria are used to control butterfly caterpillars.

  3. Trichoderma species are used to control several plant pathogen.

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Ladybird and dragonflies are used to get rid of aphids and mosquitoes respectively. Bacillus thuringiensis bacteria are used to control butterfly caterpillars. Trichoderma species are used to control several plant pathogen.. 
So, the correct option is 'All of these'
Multiple choice zoology sustainable agriculture microbes and farming biopesticide environmental protection

Statement 1 : Biocontrol refers to the use of biological methods for controlling plant diseases and pests.
Statement 2 : Use of biocontrol measures will greatly reduce our dependence on toxic chemicals and pesticides.

  1. Both statements 1 and 2 are correct.

  2. Statement 1 is correct but statement 2 is incorrect.

  3. Statement 1 is incorrect but statement 2 is correct.

  4. Both statements 1 and 2 are incorrect.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Biocontrol refers to the use of biological methods for controlling plant diseases and pests. Use of biocontrol measures will greatly reduce our dependence on toxic chemicals and pesticides.
So, the correct option is 'Both statements 1 and 2 are correct'