(IV) Protozoa b) Which of the following can help improve the fertility of soil? (i) Irrigation (ii) Tilling (iii) Harvesting (iv) Crop rotation - Answer the following questions in 30–40 words: (8 marks) a) List the seven steps involved in crop production from start to end. b) List and describe any two effects of deforestation. c) Rishi bought wheat grains and directly planted them in tilled soil. However, most of the seeds did not end up growing into healthy plants. Suggest two reasons why this could have happened. d) Someone in your family is suffering from a disease spread by a water-borne pathogen. What precautions will you take to ensure that the disease does not spread to others? (8 marks) Answer the following questions in 60–80 words: a) Draw a neat-labelled flowchart to explain the nitrogen cycle. b) Explain how microorganisms are used in food production.
Answers
Answered by
1
Answer:
hiiiiiiiiiiiiiiiiiiiiiiiiiiii
Answered by
0
Explanation:
(IV) Protozoa b) Which of the following can help improve the fertility of soil? (i) Irrigation (ii) Tilling (iii) Harvesting (iv) Crop rotation - Answer the following questions in 30–40 words: (8 marks) a) List the seven steps involved in crop production from start to end. b) List and describe any two effects of deforestation. c) Rishi bought wheat grains and directly planted them in tilled soil. However, most of the seeds did not end up growing into healthy plants. Suggest two reasons why this could have happened. d) Someone in your family is suffering from a disease spread by a water-borne pathogen. What precautions will you take to ensure that the disease does not spread to others? (8 marks) Answer the following questions in 60–80 words: a) Draw a neat-labelled flowchart to explain the nitrogen cycle. b) Explain how microorganisms are used in food production.
Similar questions