2nd PUC Biology Series 6

PUC Science 2nd Year  Biology Series-6 quiz

Created on By 52fd849a905aedf0249df9e69d61b55a?s=32&d=mm&r=gwefru

2nd Biology Series


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Q.51 The Taj Mahal is threatened due to the effect o

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Q.52 In Minamata Bay Japan the animals which remained free from minamata disease, are

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Q.53  Which of the following pairs is a sedimentary type of biogeochemical cycle?

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Q.54 The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen approximately by

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Q.55 Which of the following isotopes is most dangerous to Homosapiensl?

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Q.56 Which of the following is the most stable ecosystem?

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Q.57 The primary succession refers to the development of communities on a

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Q.58  A dental disease characterized by mottling of teeth is due to the presence of certain chemical element in drinking water. Which of the following is that element?

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Q.59  Which of the following is the main factor of desertification?

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Q.60 Which one of the following pairs is correctly matched?V

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