Please select a subject first
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Adsorption of water by hydrophilic colloids is called______.
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Why do the wooden doors become very hard to close and open in rainy season?
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Give a scientific reason:
The pyramid of energy is always upright.
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Describe pyramid of energy with the help of diagram.
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Explain ‘Carbon cycle’.
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Explain the carbon cycle with the help of a simplified model.
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Write important features of a sedimentary cycle in an ecosystem.
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Give the principles of Darwin's theory of natural selection.
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Objection to Darwin's theory of natural selection.
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Guano deposits are rich in ______.
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What is vaccine?
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All organisms produce more young ones. Comment
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Define the term:
Plasmolysis
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Define the following:
Implantation
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Answer each question in ‘One’ sentence only:
Identify which one of the following is a test cross.
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The abundance of phosphate, causing algal overgrowth resulting in depletion of oxygen and killing other aquatic life is known as --------------------------.
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Name any ‘two’ edible varieties of mushrooms. Give nutritional values of these.
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Wheat variety 'Atlas 66' is improved for ______.
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Define the cohesive force.
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Which mineral acts as a limiting factor for productivity in an aquatic ecosystem.
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