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Solve your IGNOU Doubts
Question:

Antifeedant

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Question:

Nanopesticide

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Question:

Biopesticide

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Question:

Describe the environmental and health implications of persistent organic pollutants (POPs) such as DDT.

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Question:

Describe the source, active ingredient and uses of neem oil as a safe pesticide.

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How are rotenoids different from the neonicotinoids in their source, mode of action and toxicity?

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Question:

Discuss the differences between the mechanism of action of organophosphates and carbamates.

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Question:

Why it is important to evaluate LD50 and LC50 while assessing the toxicity of pesticides?

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Question:

Explain the physiology of nerve cells in insects.

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Question:

Describe the bioluminescence in insects and discuss its significance.

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Question:

Explain the processes of oogenesis and spermatogenesis in insects.

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Question:

Explain the physiology of gaseous exchange in terrestrial and aquatic insects.

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Question:

Explain mechanism of circulation in insects.

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Question:

Compare the process of osmoregulation in terrestrial insects.

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Question:

Give an account of the organs present in the foregut regions of insect digestive system.

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Question:

Name the hormones controlling moulting and metamorphosis in insects. Describe the hormonal control of moulting and metamorphosis in detail.

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Question:

List the different steps involved in forensic investigations conducted with the help of insects. Explain each step briefly.

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Question:

Explain the harvesting and spinning of cocoon to form silk fibre.

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Describe the role of Wolbachiain controlling mosquito vectors by causing cytoplasmic compatibility.

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Question:

How does the use of biotechnological methods in pest control contribute to Integrated Pest Management (IPM)?

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