Which one of the following is a characteristic feature of cropland ecosystem?
Cropland ecosystem has same type of crop plants so it least genetic diversity.
Which one of the following is a characteristic feature of cropland ecosystem?
Which of the following is the most important cause of animals and plants being driven to extinction? |
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In a chloroplast the highest number of protons is found in: |
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Which of the following is not required for any of the techniques of DNA fingerprinting available at present? |
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The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the: |
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Which of the following features is not present in Penplaneta americana? |
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A system of rotating crops with legume or grass pasture to improve soil structure and fertility is called: |
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Which of the following is wrongly matched in the given table? |
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In mammals, which blood vessel would normally carry the largest amount of urea? |
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Pick out the correct statements: |
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Which of the following guards the opening of the hepatopancreatic duct into the duodenum? |
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