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Carefully observe your classmate's earlo...

Carefully observe your classmate's earlobes.

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Observe and Discuss

Observe and Discuss

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CHETANA PUBLICATION-HEREDITY AND VARIATION-EXAMPLE
  1. Why is it necessary for people to have their blood examined before mar...

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  2. Do all boys and girls of your class look alike?

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  3. Carefully observe your classmate's earlobes.

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  4. Irrespective of all of us being humans, what difference do you notice ...

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  5. All of you are in std. IX. Why then are some students tall and some sh...

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  6. Explain Mendel's monohybrid progeny with the help of any one cross.

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  7. Explain Mendel's dihybrid ratio with the help of any one cross.

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  8. What is meant by chromosome? Explain its types.

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  9. Describe the structure of DNA molecule as proposed by Watson and Crick...

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  10. What is the use of DNA fingerprinting?

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  11. Explain the structure, function and types of RNA.

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  12. Find the odd man out: Axillary flower, green pod, green seed, inflat...

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  13. Find the odd man out: Constricted pod, purple flower, axillary flowe...

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  14. Find the odd man out: Green seeds, wrinkled seeds, terminal flower, ...

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  15. Find the odd man out: Attached ear lobes, brown and straight hair, ...

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  16. Find the odd man out: Cystic fibrosis, albinism, spina bifida, sickl...

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  17. Find the odd man out: Hutchinson's disease, phenylketonuria, nightbl...

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  18. Give scientific reasons: DNA molecules are called as 'Master molecule...

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  19. Give scientific reasons: Phenotypic and genotypic ratios are differen...

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  20. Give scientific reasons: A carrier or sufferer of sickle-cell anaemia...

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