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Define Osmotic pressure.
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What is Biofortification? Explain selective breeding with suitable example.
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Answer each question in ‘One’ sentence only:
Define stock and scion.
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Explain selective breeding. Give any 'two' examples and their nutrients obtained by selective breeding.
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Give an account of mutation breeding with examples.
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Describe briefly various steps of plant breeding methods.
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Choose the correct option
Which of the following factors will favour species diversity?
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Choose the correct option
The term “terror of Bengal’ is used for ___________.
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Short answer type question
How does genetic diversity affect the sustenance of a species?
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Very Short Answer Question:
Enlist the phases of growth in plants?
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Diffused type of nervous system is seen in ______.
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Wheat -Atlas 66 has high contents of ______.
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A medicinal plant Rauwolfia vomitoria shows variations in concentration of reserpine from location to location. What type of level of biodiversity is this?
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Give any four factors that favour high speciation at lower altitudes.
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Explain the different properties of water.
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Which one of the following is not a fungal disease?
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How the resistance in crops can be developed?
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Write two varieties of sugarcane having high sugar content.
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Name two better yielding varieties of rice developed in India.
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Give reason – Water acts as thermal buffer
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