Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Briefly discuss the ‘Law of limiting factors’.

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Question:

Describe the phenomenon of Emerson’s enhancement effect and Red drop effect with the help of a labelled diagram.

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Question:

Describe the C4 cycle with the help of an outline diagram.

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Question:

What is PAR? Describe the absorption and action spectra of Chlorophyll a.

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Question:

Describe the structure of mycorrhiza. Comment on the role of mycorrhizal root association in mineral nutrition.

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Question:

Differentiate between macro and micronutrients. Make a list of trace elements.

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Question:

Enumerate the criteria of essentiality of a mineral nutrient

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Question:

Primary and secondary active transport

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Question:

Water potential and matrix potential

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Question:

Stomatal index and stomatal frequency

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Question:

Diffusion and osmosis

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Question:

Apoplastic and symplastic pathway

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Question:

insectivorous plants

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Question:

commercial cork

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Question:

pneumatophores

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Question:

parthenocarpy

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Question:

advantages of cross pollination

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Question:

open and closed style

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Question:

psychophily and hymenophily

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Question:

self and cross pollination

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