Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Name some of the important genes and factors regulating the development of embryo in Arabidopsis.

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Question:

What are endosperm haustoria? Describe the different types of endosperm haustoria.

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Question:

 How stigma helps in the process of pollen germination and guidance of pollen tube into the style?

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Question:

Three genes regulate the stages of flower development. Explain.

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Question:

Trichomes play an important role in defense of plants. Explain the statement.

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Question:

How do mangroves remove salt?

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Question:

Describe chronologically the events that enable primary dicot root become secondary roots. Support your answer with suitable labeled diagrams.

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Question:

Describe in brief the various morphological and anatomical adaptations in xerophytes with diagrams.

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Question:

Explain the different theories of root apical organization.

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Question:

Apomeiosis

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Question:

Cheiropterophily     

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Question:

Cleistogamy

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Question:

Commensalism    

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Question:

Stomatal complex

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Question:

Tylosis            

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Question:

Areole

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Question:

Tuber           

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Question:

Polyspory

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Question:

Plastochron      

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Question:

Explain the components of water potential.

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