Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Describe the structural organization of body of the members of class Insecta. Describe the types of mouth parts present in them.

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Question:

Role of hormones in insects

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Question:

Nerve Cell

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Question:

Polymorphism

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Question:

Give the full form of

(i)ICZN

(ii) IUBS

(iii) ICBN

(iv) ICNCP

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Question:

Coral reefs

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Question:

Describe the five-kingdom classification as proposed by Whittaker and discuss its limitations.

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Question:

Discuss the different larval forms found in echinoderms.

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Question:

Describe the biological rhythm in non-chordates.

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Question:

Explain the term homology and analogy with proper examples.

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Question:

Explain taxonomic hierarchy with an example.

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Question:

Describe the merits and demerits of Linnaeus & Bentham, and Hooker's system of classification.

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Question:

How is Palynological evidence useful in taxonomy?

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Question:

 

Highlight the importance of wildlife to human beings.

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Question:

Discuss the relationship between human population, resource use and environmental degradation.

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Question:

Describe the interactions among organisms in a community. Give one example of each interaction.

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Question:

Outline the successive changes in animal life during Hydrosere.

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Question:

Explain the nutrient cycling in tropical and temperate forests.

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Question:

Briefly describe the three types of 'Ecological Pyramids' and explain their limitations.

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Question:

In what manner is the 'Ecosystem Concept' useful in the study of environment?

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