← Back to papers
ACSEE 🇹🇿 NECTA ✓ MS available

Agriculture · Paper 2 · 2007

10 questions

📖 View PDF ⬇
🎯 Quiz from this
💰 Sit full exam 200 TZS

3-hour timed simulation · auto-graded · counts toward ranking

Pay & start exam →
Questions (10)

Section A

1. 20 marks

Briefly explain the concept of mutation breeding and its application in crop improvement.

  1. Briefly explain the concept of mutation breeding and its application in crop improvement. (20 mk)

Upgrade to see model answers.

2. 20 marks

State five benefits of progeny testing in crop breeding.

  1. State five benefits of progeny testing in crop breeding. (20 mk)

Upgrade to see model answers.

3. 20 marks

Explain the following as used in weed science: (a) Crop rotation (b) Mulching (c) Notorious weed (d) Selective herbicide

  1. Crop rotation (5 mk)
  2. Mulching (5 mk)
  3. Notorious weed (5 mk)
  4. Selective herbicide (5 mk)

Upgrade to see model answers.

4. 20 marks

Briefly explain five environmental factors that affect the effectiveness of herbicides.

  1. Briefly explain five environmental factors that affect the effectiveness of herbicides. (20 mk)

Upgrade to see model answers.

5. 20 marks

Describe five symptoms of a viral infection in a plant, and explain two ways a viral infection can spread.

  1. Explain two ways a viral infection can spread. (10 mk)

Upgrade to see model answers.

Section B

6. 20 marks

Differentiate between carrying capacity and stocking density.

  1. Differentiate between carrying capacity and stocking density. (20 mk)

Upgrade to see model answers.

7. 20 marks

Briefly explain the role of the following nutrients in an animal's diet: (a) Vitamin A (b) Calcium (c) Phosphorus (d) Protein

  1. Vitamin A (5 mk)
  2. Calcium (5 mk)
  3. Phosphorus (5 mk)
  4. Protein (5 mk)

Upgrade to see model answers.

8. 20 marks

Discuss three common diseases of poultry, stating their causative agents and symptoms.

  1. Discuss three common diseases of poultry, stating their causative agents and symptoms. (20 mk)

Upgrade to see model answers.

9. 20 marks

Explain the importance of a good water supply for livestock production and state three factors that affect the water intake of an animal.

  1. State three factors that affect the water intake of an animal. (10 mk)

Upgrade to see model answers.

10. 20 marks

State five advantages and five disadvantages of using artificial insemination in livestock breeding.

  1. State five disadvantages of using artificial insemination in livestock breeding. (10 mk)

Upgrade to see model answers.

💡 Unlock all answers & explanations
Premium · 3000 TZS/mo