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In plants the tonoplast facilitates ...

In plants the tonoplast facilitates the transport of a number of ions and other materials

A

Against concentration gradient into vacuole

B

Along concentration gradient into vacuole

C

Along concentration gradient into gas vacuoles

D

Against concentration gradient in contractile vacuole

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The correct Answer is:
A
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Fill in the blanks: 1 . In plant cells the vacoules can occupy up to …a… of the volume of the cell. 2 . In the plants , the tomoplast facilitates the transport of a number of ions and other materials …b… concentration gradient into the vacoule, hence their concentration is significantly ...c... in the vacuole than in the cytoplasm. 3 . In Amoeba the ...d... vacuole is important for excertion . 4 . In many cells, as in protists...e... vacuoles are formed by engulfing the food particles.

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AAKASH INSTITUTE-CELL:THE UNIT OF LIFE -Assignment(section-B) (subjective type qusetion)
  1. Which of the following statement is incorrect about golgi apparat...

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  2. Certain golgain vesicles which are budded- out from the trans - ...

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  3. In plants the tonoplast facilitates the transport of a number of...

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  4. Mitochondria and chloroplasts are semi- autonomous as they possess

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  5. The symbiont hypothesis suggests that there are similarities between p...

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  6. How many organelles of a eukaryotic cell are considered to have ...

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  7. Find the correct set of structures // organelles not s urrounded b...

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  8. The larger sub- unit of a ribosome is found to contain 28S , 5,8S ...

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  9. Organelle lacking DNA but capable of duplication is

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  10. Each centriole has a cart wheel organisation having a whorl of t...

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  11. Find out all the protiens that make eukaryotic flegellum.

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  12. Consider the following statement and choose the incorrect opti...

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  13. Eukaryotic cells have a well organised nucleus and a. Both 70...

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  14. 9 + 2 organisation is present in

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  15. Find out the correct .option on the basis following diagrams

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  16. Nucleolus is formed by

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  17. All the following statements are correct except ,

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  18. Triglyceride metabolism to convert fats into carbohydrates is h...

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  19. Catalase and urate oxidase enzymes are associated with the organ...

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  20. In fluid mosaic model of plasma membrane ,

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