Please select a subject first
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Why does the zygote divides only after the division of Primary endosperm cell?
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Give examples for the Helobial endosperm.
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‘Endothecium is associated with dehiscence of anther’ Justify the statement.
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What is endosperm? Explain the types.
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Differentiate the structure of Dicot and Monocot seed.
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Match List I with List II.
| List I | List II | ||
| A. | A pair of chromosomes extra with diploid | i) | monosomy |
| B. | One chromosome extra to the diploid | ii) | tetrasomy |
| C. | One chromosome loses from diploid | iii) | trisomy |
| D. | Two individual chromosomes lose from diploid | iv) | double monosomy |
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Assertion (A): Gamma rays are generally used to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom
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What is the difference between missense and nonsense mutation?
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Draw the diagram of different types of aneuploidy.
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The time duration for sterilization process by using autoclave is ______ minutes and the temperature is _______
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Cryopreservation means it is a process to preserve plant cells, tissues, or organs
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Give an account on Cryopreservation.
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What do you know about Germplasm conservation? Describe it.
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Distinguish between endangered, vulnerable, and rare species.
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While studying the history of the domestication of various cultivated plants _______ were recognized earlier.
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Plants having similar genotypes produced by plant breeding are called
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Importing better varieties and plants from outside and acclimatizing them to the local environment is called
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Crosses between the plants of the same variety are called
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Which one of the following crop varieties correct matches with its resistance to disease?
| Variety | Resistance to disease |
| a) Pusa Komal | Bacterial blight |
| b) Pusa Sadabahar | White rust |
| c) Pusa Shubhra | Chilli mosaic virus |
| d) Brassica | Pusa swarnim |
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Explain the best-suited type followed by plant breeders at present?
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