Section B
Answer any TWO questions from this section
Question 1
a) Differentiate between excretion and egestion. (4 marks)
b) With illustrative diagrams, describe a simple experiment you will use to demonstrate breathing in humans. (16 marks)
Question 2
a) Tabulate two differences between plant and animal cells. (4 marks)
b) Describe how the circulatory system functions as a nutrient and waste transport system. (16 marks)
Question 3
a) Explain two significance of osmoregulation. (4 marks)
b) Describe how urine is formed in humans (16 marks)
Time's up
Section B
Answer any TWO questions from this section
Question 1
a) Differentiate between excretion and egestion. (4 marks)
b) With illustrative diagrams, describe a simple experiment you will use to demonstrate breathing in humans. (16 marks)
Question 2
a) Tabulate two differences between plant and animal cells. (4 marks)
b) Describe how the circulatory system functions as a nutrient and waste transport system. (16 marks)
Question 3
a) Explain two significance of osmoregulation. (4 marks)
b) Describe how urine is formed in humans (16 marks)