Please select a subject first
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Explain the law of dominance and compare how it differs from incomplete dominance and co-dominance.
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Who isolated Gibberellins first?
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Define – Incomplete dominance.
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If a red flowered Mirabilis jalapa plant is crossed with a white flowered plant, what will be the phenotypic ratio in F2 generation? Show it by a chart.
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Write a note on incomplete dominance.
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Name the plant hormone obtained from fungus.
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Name the vector of the pathogen responsible for Dengue fever.
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With reference to human eye, answer the following question.
What are different types of photoreceptor cells present in the eye?
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Observe the diagram and answer the given questions :
- Identify stages A and B in the given diagram.
- Give scientific name of lac insect.
- What is a shellac?
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Give a cross for incomplete dominance using a suitable example.
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Give a cross of co-dominance using a suitable example.
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What is the role of Gibberellins in rosette plants?
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Which one of the following is not a vestigial organ?
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With reference to human eye, answer the following question.
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What is gibberellins?
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Fill in the blanks:
| Column 'A' (Gene interactions) |
Column 'B' (Example) |
|
| (1) | Co-dominance | ______ |
| (2) | Incomplete dominance | ______ |
| (3) | Multiple allelism | ______ |
| (4) | Pleiotropy | ______ |
| (5) | Polygenes | ______ |
| (6) | Autosomal dominance | ______ |
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A pea plant homozygous for yellow round seed is crossed with its recessive parents. Calculate the phenotypic and genotypic ratio with the help of a checkerboard.
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Explain the greenhouse effect with reference to the gases responsible for it and their sources.
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Explain the various types of cancer
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Edible fruiting bodies are produced by _______.
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