Botany - Cell - The Unit of Life Two Marks Questions

11th Standard

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Bring out the significance of phase contrast microscopy.

  2. State the protoplasm theory.

  3. What is a Telomere?

  4. What is Holocentric Chromosomes?

  5. What are nucleolar organisers?

  6. What is Svedberg units?

  7. Why are Mitochondria and Chloroplast called as semi autonomous organelles.

  8. Are extra genomic DNA seen in Eukaryotes.

  9. Define cohesiveness of protoplasm.

  10. Name the three types of cells.

  11. Define mesokaryotes.

  12. Explain primary cell wall.

  13. How does a 'glycocalyx' form?

  14. What do you understand by the term 'phagocytosis'?

  15. Define cristae of mitochondria.

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