Hardest substance known is___________??? 1. Diamond 2. graphite 3. alloy of tin and iron 4. enamel of tooth
ans is________
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- Parental genotype ratio in F2 generation by crossing pea plant of genotype RRYY×rryy is a. 2:2:4 b. 1:1 c. 1:1:1:1 d. 1:2:2:4:1:2:1:2:1
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(1) 16.65mL.(2) 22.20 mL(3)5.55ml
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neet
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