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Which of the following statements are correct?

A. Na+/K+ pump is an example of active transport.

B. In plant cells lipid like steroidal hormones are synthesized in SER.

C. In plant cells, the vacuoles can occupy up to 10% of the volume of the cell.

D. Chlorophyll and leucoplast are responsible for trapping light energy essential for photosynthesis.

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  4. The diagram given below represent a filuid mosaic model of plasma membrance. Match the components marked…
  5. Which of the following is absent in prokaryotes?
  6. Which one of the following cellular parts is correctly matched with their characters ?
  7. The given figures show two types of cell. Which structures are common to both the cells?
  8. Study the following statements on cilium or flagellum and answer the question.Cilium / Flagellum contains…
  9. Which one of the following organelle given below is correctly matched with its function ?
  10. 9.A student was given cell samples (A and B) to identify parts which are highlighted. He observed the…
  11. Read the statements given below with regard to the functions performed by Golgi apparatus ?Transport…
  12. Centrifugation of a cell results in the rupture of the cell membrane and the contents compacting into…
  13. Which of the following lacks cell wall?
  14. Difference between the prokaryotic and eukaryotic cells in having
  15. The best material for study of structure of cell membrane is
  16. Match column-I with column-II and choose the correct option.Column-IColumn-II(Chromosome)(Position of…
  17. Identify the cell organelle given below. Which is an important site of formation of glyeoproteins &…
  18. Function of contractile vacuole in Amoeba is
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  20. Which of the following will determines the shape of the cells and provides a strong structural support…
  21. The best way to identify a cell as either prokaryotic or eukaryotic is to determine whether
  22. Axoneme with 9 + 2 microtubular arrangement occurs in
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  24. Match column-I with column-II and choose the correct option.Column-IColumn-IIA. TonoplastI. Contain…
  25. Which of the following statement of a bacterial cell is/are correct?Mesosome is formed by the extensions…
  26. Select the statements which are related to Schwann.He reported that cells have a thin outer layer which…
  27. Active transport differs from passive transport in that active transport
  28. In which of the following the cells are held together by a Ca-pectate layer?
  29. Most of water, in mature plant cells occurs in
  30. Who proposed the theory that Cells arise only from the pre-existing cells?