Which of the following atmospheric gases strongly absorbs the heat energy and retards rediative cooling of earth

A. Ozone

B. Carbon dioxide

C. Sulphur dioixide

D. Nitrogen oxides

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  4. Quinine, an important drug for treatment of malaria, is extracted from
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  24. An antibody is a
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  26. Which one of these is a cancerous disease
  27. Which of the following is a matching pair of the vector and the disease
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