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What is aneuploidy and polyploidy? Give ...

What is aneuploidy and polyploidy? Give one example of each.

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The gain or loss of chromosomes due to failure of segregation of chromatids during cell division is known as aneuploidy.
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ICSE-SAMPLE QUESTION PAPER 4-PART II
  1. What is aneuploidy and polyploidy? Give one example of each.

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  2. Draw a labelled diagram of a section of an enlarged view of microspora...

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  3. (a) Draw a schematic labelled diagram of a fertilised embryo sac of an...

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  4. What is meant by sex-linked inheritance ? Give few examples in man.

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  5. produced by bacterium Streptococcus and midified by genetic engineerin...

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  6. Write two differences between: B cells and T cells

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  7. Write two differences between: Antibodies and interferons

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  8. An organism has to overcome stressful condition for a limited period o...

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  9. Write the importance of species diversity to the Exosystem. Support yo...

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  10. Explain with suitable examples of ectoparasites and endoparasites.

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  11. Why is the polar region not a suitable habitat for tiny humming birds ...

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  12. What are Sex chromosomes?

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  13. What is recombination? Mention its applications with reference to gene...

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  14. Name the causative organism, transmission and symptoms of pneumonia.

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  15. Describe the characteristics a cloning vector must possess.

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  16. Define Parasitism

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  17. In commensalism

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  18. Define and give one examples of each: Mutualism

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  19. Describe the termination process of transcription in bacteria.

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  20. What is single cell protein ? Give its source and significance.

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  21. Define sacred groves. What is their role in the conservation of biodiv...

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