Category: Biology
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Which one of the following viruses is considered to be responsible for COVID-19?
Which one of the following viruses is considered to be responsible for COVID-19? (a) SARS-CoV-2 (b) SARS-CoV-19 (c) SARS-CoV-20 (d) SARS-CoV-1 Ans: SARS-CoV-2
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Which one of the following statements is correct? [eye]
Which one of the following statements is correct? (a) UV-B radiations damage DNA but do not cause mutation. (b) Cornea in human eyes absorbs UV-B radiations. (c) UV radiations of wavelength greater than UV-B are completely absorbed by the Earth’s atmosphere. (d) UV-B radiations may be useful to treat snow blindness. Ans: (b) Cornea…