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Which of the following features relates to biodegradable substances?

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When light enters the atmosphere it strikes on extremely fine particles

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A sportsman, after a long break of his routine exercise, suffered muscular cramps during a heavy exercise session.

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Receptors are usually located in sense organs. Gustatory receptors are present in (a) tongue (b) nose (c) eye (d) ear

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Generally food is broken and absorbed within the body of organisms.

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An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is

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An element with atomic number_____ will form a basic oxide.

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Mild non-corrosive basic salt is (a) Ca (OH)2 (b) NaCl (c) NaOH (d) NaHCO3

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The colour of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution is

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Write down four characteristics of genetic code.

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What is genetic code?

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What is the genetic material of HIV?

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