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In a passive transport across a membrane...

In a passive transport across a membrane. When two protein molecules move in opposite direction and independent of each other, it is called as …….

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Antiport. In this type of diffusion molecules move in opposite directions and independently.
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KUMAR PRAKASHAN-TRANSPORT IN PLANTS -Section-E NCERT Exemplar (Very Short Answer)
  1. Smaller, lipid soluble molecules diffuse faster through cell membrane,...

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  2. In a passive transport across a membrane. When two protein molecules m...

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  3. Osmosis is a special kind of diffusion, in which water diffuses across...

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  4. A flowering plant is planted in an earthen pot and irrigated. Urea is ...

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  5. Absorption of water from soil by dry seeds increases the …..., thus he...

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  6. Water moves up against gravity and even for a tree of 20 m height, the...

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  7. The plant cell cytoplasm is surrounded by both cell wall and cell memb...

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  8. The C4 plants are twice as efficient as C3 plants in terms of fixing C...

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  9. Explain why xylem transport is unidirectional and phloem transport bi-...

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  10. Indentify the process occurring in I, II and III.

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  11. Given below in a table. Fill in the gaps.

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  12. Define water potential and solute potential.

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  13. Why is solute potential always negative ? Explain PsiW=PsiS+Psip.

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  14. An onion peel was taken and (a) placed in salt solution for five minut...

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  15. Differentiate between apoplast and symplast pathways of water movement...

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  16. How does most of the water moves within the root ?

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  17. Give the location of casparian strip and explain its role in the water...

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  18. Differentiate between guttation and transpiration.

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  19. Explain : transpiration is an unavoidable event.

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  20. Describe briefly the three physical properties of water which helps in...

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