CHAPTER 4 -BIOLOGY||ABSORPTION BY ROOTS -THE PROCESSES INVOLVED

DIFFERENTIATE BETWEEN

  1. Turgidity and flaccidity
  2. Diffusion and osmosis
  3. Active transport and passive transport
  4. Imbibition and deplasmolysis
  5. Exosmosis and endosmosis
  6. Root pressure and osmotic pressure
  7. Hypertonic solution and hypotonic solution
  8. Guttation and bleedinG
  9. Turgor pressure and wall pressure
  10. Cellophane and muslin cloth
  11. Photosynthesis and transpiration
  12. Solute and solvent
WRITE BRIEFLY
  1. ----------:CHLOROPHYLL::HAEMOGLOBIN:RBC
  2. Why roots absorb water easily
  3. How will root hair look when excessive fertilizer is added into soil
  4. Why doors don't open easily during rainy season
  5. What is condition for osmosis
  6. What is meant by control setup
  7. What is girdling.How is it useful in real life
  8. How is active transport useful in plants
  9. Why does leaves of certain plant wilt during hot afternoon
  10. How does addition of salt help to kill bacteria in pickles
  11. How is manometer useful
  12. Name a plant which is sensitive to stimulus of touch .The part which leads to the same
  13. Give location of hydathodes, cortex , epidermis
  14. Name the two vascular tissues present in plants and give it's function.
  15. Justify why it is better to transplant seedling in night than in morning
DIAGRAM BASED QUESTIONS
QUESTION 1
A and B are two potatoes (either boiled or raw)beaker 1 and 2 contain sugar solution
Beaker 1 has increase in height while beaker 2 has same height then answer following 
  • Identify the type of potato A and B are
  • Why was there increase in height of water in beaker 1
  • which is control setup(a or b)
  • What is control setup
  • Name the process shown above and explain it
  • The size of potato has decreased how can it be brought back to its original size.Name the process 
OTHER DIAGRAM BASED QUESTIONS DONE IN PART 2 OF THIS CHAPTER

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