Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Describe the main types of flora and fauna that live in brackish water ecosystems.

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Question:

What characteristics are considered ideal in organisms that are used for aquaculture/fish culture?

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Question:

Describe the major estuaries found along the east and west coasts of India, and explain the important fisheries associated with them.

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Question:

T.S. of coralloid root of Cycas.

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Question:

Clamp connection formation in Basidiomycetes.

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Question:

HIV virus.

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Question:

Fungal antibiotics and drugs

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Question:

With the help of suitable diagram, explain the sexual reproduction in Funaria.

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Question:

Describe the mechanisms of genetics recombination in bacteria with suitable diagrams.

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Question:

Justify gymnosperm seed have remarkable combination of two generations.

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Question:

With the help of diagrams, describe the sexual reproduction in Polysiphonia.

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Question:

Compare the male reproductive structure of Cycas and Pinus.

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Question:

Describe economic importance of Pteriodophytes or Gymnosperms.

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Question:

How do pollination and fertilisation occur in Pinus? Explain.

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Question:

Enumerate the characteristics of Lycophyta.

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Question:

Why bryophytes are considered as pioneers of vegetation? How do they help in preventing soil erosion and recycling of nutrients?

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Question:

Describe in brief structure and anatomy of crustose or foliose lichens.

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Question:

Define heterospory. Explain its biological significance.

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Question:

Explain the mechanisms of pollination and fertilization in gymnosperms.

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Question:

Write a detailed account on occurrence, morphology and ultrastructure in Cyanophyta.

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