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Day: March 1, 2022

How is the sex of the child determined in human beings ?

Class 10 Biology
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A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits – blood group A or O – is dominant 

Class 10 Biology
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How do Mendel’s experiments show that traits are inherited independently ?

Class 10 Biology
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How do Mendel’s experiments show that traits may be dominant or recessive ?

Class 10 Biology
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How does the creation of variations in a species promote survival ?

Class 10 Biology
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If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Class 10 Biology
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What could be the reasons for adopting contraceptive methods?

Class 10 Biology
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How does reproduction help in providing stability to populations of species?

Class 10 Biology
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How are the modes for reproduction different in unicellular and multicellular organisms?

Class 10 Biology
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What are the different methods of contraception?

Class 10 Biology
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Draw a labelled diagram of the longitudinal section of a flower?

Class 10 Biology
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Why does menstruation occur?

Class 10 Biology
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