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Astatine was discovered by Dale Corson, MacKenzie. Astatine-211 is sometimes used as a radioactive tracer and in cancer treatment.

Water gas is the mixture of
Carbon Monoxide & Hydrogen.

World Alzheimer’s Day is on 21 September.
World Tuberculosis Day, observed on 24 March.
World Leprosy Day is celebrated on the 30th January.

Anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Almost all gymnosperms are anemophilous, as are many plants in the order Poales, including grasses, sedges and rushes.

Photosynthetic or Assimilatory roots : These are green, aerial, adventitious roots which prepare food materials by photosynthesis are called photosynthetic roots or assimilatory roots e.g., Taeniophyllum, Trapa and Tinospora. These roots serve as means of vegetative propagation.

Adenine and guanine are both found in DNA and RNA. Thymine is only found in DNA and uracil is only found in RNA.

Also known as respirometer. Tidal volume is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied.

Asphyxia leads to hypoxia, anoxia and hypercarpnia. In hypercarpnia blood becomes heavily charged with carbon dioxide.

It is also known as lung fish. Lung fish live only in Africa, South America and Australia.

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