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Janus-green-B is used for staining

A. ribosomes

B. chloroplast

C. mitochondrion

D. all of these

Correct Answer : C.


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  1. "The substance of cells is living " was firs suggested by
  2. Function of Golgi bodies in plants is
  3. Park and Biggins receive credit for discovery of
  4. In electron microscope the source of light used is
  5. Electron microscope has revealed the presence of
  6. Ribosomes are the centre of
  7. Hydroly tic enzymes are abundant in
  8. The cell size is dependent upon
  9. Janus-green-B is used for staining
  10. Extranuclear DNA is found in
  11. One of the following is a single-membraned structure:
  12. The discoverers of electron microscope are
  13. Cells having large nuclei in proportion of cytoplasm are perhaps
  14. The organelles for fat synthesis are
  15. Mitochondria were first observed in striated muscle cells by
  16. Cellular components can be physically separated from each other by
  17. The "chromosome theory of heredity" was given by
  18. Nitrogenous bases of RNA are
  19. Physical basis of life is
  20. Granal thylakoids occur in a
  21. Lysosomes were discovered by
  22.  The function of cristae in a mitochondrion is
  23. The largest cell organelle is
  24. The nucleus of a plant cell was discovered by
  25. Which structure performs a similar function in both plant and animal cell
  26. One angstrom is equal to
  27. The unit of heredity is
  28. The photosynthetic units are known as
  29. Chemical constitution of nucleus is
  30. According to cell theory