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Renu was going through a science magazine when she came across this picture. She got very excited and asked mother about the picture.1. What does the picture show ?(i) DNA(ii) RNA(iii) Chromosomes(iv) None of these2. The units of heredity are called(i) Nucleus(ii) Genes(iii) Reproduction(iv) Gametes3. The entities through which characters are passed on from one generation to the other are called.(i) Nucleus(ii) Genes(iii) Reproduction(iv) Gametes4. How many types of bases is the object in the given picture made of ?(i) 1(ii) 2(iii) 3(iv) 45. How many strands is the object in the given picture made of ?(i) 1(ii) 2(iii) 3(iv) 4 |
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Answer» 1. (i) DNA 2. (ii) Genes 3. (iv) Gametes 4. (iv) 4 5. (ii) 2 |
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