Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

Discuss why angiosperms are far more successful than any other plant group in the plant kingdom.

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Question:

Compare the family Asteraceae and Rubiaceae and mention their similarities as well as differences also.

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Question:

Compare and contrast the reproductive structures of Cycas and Pinus with diagrams.

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Question:

Name the families in which these structures are found:

i) Hypanthodium vi) Culm
ii) Tetradynamous androecium vii) Obdiplostemonous androecium
iii) Convoluted anthers  viii) Jaculator
iv) Capitulum inflorescence  ix) Gynobasic style
v) Intra-petiolar stipules x) Pseudostem

 

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Question:

List the names of live bearers and egg layers ornamental fishes. Describe the culture of any one fish from each type of your choice.

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Question:

 

Describe some of the major parasitic diseases found in fishes.

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Question:

Enlist the major types of hatcheries. Give detailed description of any two of them.

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Question:

Write an essay on the biological aspects of Schizothoracids as important fishery resources.

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Question:

Mention the roles of Mahua oil cake and tea seed cake in the removal of unwanted fishes.

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Question:

Describe the process of pond construction.

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Question:

Discuss the technique of hypophysation in details.

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Question:

Define the pearl, and classify them. Describe the mineralization of pearl.

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Question:

Describe why and how predatory and weed fishes are eradicated from fish culture ponds.

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Question:

Describe briefly the site selection and design of an aquafarm for freshwater fishes.

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Question:

Differentiate between Macrobrachium rosenbergii and Macrobrachium malcolmsonii. Describe the breeding of M. rosenbergii.

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Question:

Why adoption of IPM is poor? Which strategies should be adopted in future to promote it?

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Question:

Explain different genetic methods of pest management with special reference to genetic engineering.

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Question:

Botanical and Microbial Pesticides

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Question:

Insect and Nematode

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Question:

Predator and Parasitoid

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Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
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