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SSC GD Constable 5 Feb 2025 Shift 1 Paper
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Question Numbers: 76-80 In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.Deoxyribonucleic acid (DNA) is a very special molecule. It (1) _______ as the code for all life on Earth, holding the cellular instructions to (2) _________ everything from a beetle to a human. Because DNA is (3) __________ to each species, it's like a product barcode in a supermarket. As animals and plants live their lives, they (4) ______ fragments of their DNA into their environment (5) _________ dead skin, hair, saliva, scat, leaves or pollen. These traces make up environmental DNA. There's enough DNA in water and even air to tell species apart.
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