Petals

... than vegetative reproduction Ans; depend on outside agents. Eg pollination and dispersal Slow growth of the young plants to maturity Wasteful( petals, nectar, pollen, fruit) Explain why seed-grown plants often show more resistance to disease than plants that arise from vegetative propagation. ...

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You are correct that if no enzyme is present, the petals will remain white. The interesting part of this question is that there are two enzymes, each catalyzing a step in the biosynthetic pathway for the blue pigment, and that the biosynthetic pathway ...

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... white I have absolutely no idea why the second and third are correct. I have presumed that with no enzyme there will be no colour change so the petals will remain white (as per the mark scheme)

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... of a feature of a flower that aids pollination of this type. I came up with animals, wind, and water. For the animals; nectar and brightly colored petals attract them, wind; large amounts of loose pollen and accessible stigmas would be helpful and water...I"m not sure... my book doesn't seem ...

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... the savage killed by the person. In the course of studying of the bitten subjects the trace of thorns which corresponds to the form of the flower petals located on a surface of a jaw of a dinosaur has been found out. The given test is absolutely specific to identification of a teeth of a dinosaur ...

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