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When a cell expends energy to move a sol...

When a cell expends energy to move a solute across its membrane against a concentration gradient, this process is called ………..

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ICSE-CELL : THE UNIT OF LIFE -Test Your Progress (Fill in the blanks with appropriate words)
  1. The diffusion of water across a selectively permeable membrane is call...

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  2. Two forces control passive transport of ions across membranes: ……… an...

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  3. When a cell expends energy to move a solute across its membrane again...

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  4. ..... is the powerhouse of the cell.

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  5. Lysosomes are cell organelles which contain numerous .......... enzym...

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  6. The three membranous components of the golgi are .......... and ........

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  7. Ribosomes are the actual sites for the synthesis of …….

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  8. Cell organelle rich in acid phosphatase and other hydrolytic enzymes ...

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  9. The cell is the basic structural and functional unit of ………..

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  10. In the kingdoms ……….. and ........, the cell is a complete organism.

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  11. In fungal cells, cell wall is composed of ………..

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  12. The cell wall is usually composed of three layers ………….., ……... and ...

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  13. S.J. Singer and G.L. Nicholson (1972) introduced the ........ to expl...

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  14. The jelly-like fluid protoplasmic matrix which surrounds the nucleus ...

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  15. Mature ................ elements of plants and ……… blood cells of mam...

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  16. The function of chromosomes is to carry ......... from one cell gener...

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  17. The term 'chromosome' was coined by ........in ………..

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  18. The term ............... is used for the group of characteristics tha...

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  19. Mitochondria are often called as the ……… of the cell.

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  20. The term 'plastid' was first used by ....... include the cell organel...

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