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What are the enzymes you can use to cut the terminal end and internal phospho di ester bond of nucleotide sequence?
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Name the chemicals used in gene transfer.
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What is a restriction enzyme? Mention their type with a role in Biotechnology.
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How will you identify a vectors?
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Match column I (crop) with column II (Corresponding disease-resistant variety) and select the correct option from the given codes.
| Column I | Column II | ||
| I) | Cowpea | i) | Himgiri |
| II) | Wheat | ii) | Pusa Komal |
| III) | Chilli | iii) | Pusa Sadabahar |
| IV) | Brassica | iv) | Pusa Swarnim |
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Match List I with List II
| List I | List II | ||
| Biofertilizer | Organisms | ||
| i) | Free-living N2 | a) | Aspergillus |
| ii) | Symbiotic N2 | b) | Amanita |
| iii) | P Solubilizing | c) | Anabaena azollae |
| iv) | P Mobilizing | d) | Azotobactor |
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How are microbial innoculants used to increase soil fertility?
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An eminent Indian embryologist is
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The scar left by funiculus in the seed is
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Ruminate endosperm is found in
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Coelorhiza is found in
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Parthenocarpic fruits lack
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Mention the contribution of Hofmeister towards Embryology.
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Highlight the milestones from the history of plant embryology.
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‘The endosperm of angiosperm is different from gymnosperm’. Do you agree? Justify your answer.
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Define the term Diplospory.
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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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