State three factors that affect the rate of diffusion

State three factors that affect the rate of diffusion (3mks)

  • Temperature
  • Surface area to volume ratio
  • Surface area
  • Thickness of the membrane
  • Type of medium

What does a semi-permeable membrane correspond to in an animal cell? (1mk)

  • Cell membrane

width= Virus-free.www.avast.com

Print Friendly, PDF & Email
Post Views: 6

Related posts:

  1. KCSE ENGLISH GRAMMAR AND LITERATURE NOTES
  2. GRADE 7 TERM 1 CRE NOTES
  3. Name two instruments kept in a Stevenson screen
  4. Study the map of Nyeri (East Africa 1:50,000) to answer questions that follow.
  5. The diagram below shows the hydrological cycle.
  6. CRE Standard 8 Notes
  7. KCPE PAST PAPERS 2006 SCIENCE
  8. KCPE PAST PAPERS 2011 ENGLISH QUESTION PAPER
  9. KCPE PAST PAPERS 2006 KISWAHILI LUGHA MASWALI NA MAJIBU
  10. Explain the functional differences between a disc plough and a mould board plough. (8 marks)
  11. KCPE PAST PAPERS 2006 ENGLISH GRAMMAR QUESTION PAPER AND ANSWERS
  12. Draw a diagram to show the behavior of the chicks if the temperature in the brooder is the correct one
  13. Below is an illustration of a farm structure. Study it and the questions that follow
  14. Give three proofs that the earth is almost spherical in shape.
  15. Differentiate between weathering and mass wasting.
  16. State and briefly explain two types of registers.
  17. The diagram below illustrates crop diseases, study the diagrams carefully and answer the questions that follow
  18. Define the term accreditation as used in education
  19. Give four reasons why land should be prepared early in readiness for planting
  20. Give two reasons for carrying out each of the following operations in the land. a) Rolling b) Leveling
  21. List down four types of financial books farmers should keep
  22. Differentiate between a watershed and a catchment area.
  23. Describe the contribution of Imam Ahmad ibn Hambal in Fiqh
  24. QUESTION ON BINARY ARITHMETICS
  25. The following information was found in Mr. Kamau’s farm record for the year ending December 2014. Study it carefully and answer the questions that follow.
Leave a Reply 0