GRADE 8 Agriculture – Post-harvest practices Quiz

1. What is the purpose of post-harvest practices in crop production?

To attract pests and diseases
To reduce losses and maintain crop quality
To increase the risk of spoilage
To decrease shelf life
Explanation:

Post-harvest practices are important in crop production to reduce losses by maintaining crop quality.

2. Which of the following is NOT a post-harvest practice?

Sorting
Threshing
Drying
Fertilizing
Explanation:

Fertilizing is a pre-harvest practice used to enhance crop growth and yields, not a post-harvest practice.

3. Why is sorting an important post-harvest practice?

To delay the selling process
To increase crop storage space
To separate damaged crops from healthy ones
To mix different crop varieties
Explanation:

Sorting helps to separate damaged crops from healthy ones, ensuring only high-quality crops are stored or sold.

4. What is the purpose of threshing during post-harvest practices?

To dry the crops
To remove grains from the stalks
To pack crops in bags
To apply pesticides
Explanation:

Threshing involves separating grains from the stalks or husks of crops like cereals and legumes for further processing or storage.

5. Which post-harvest practice helps in reducing moisture content of crops?

Weeding
Drying
Irrigation
Harvesting
Explanation:

Drying is a crucial post-harvest practice that reduces the moisture content of crops, preventing mold growth and spoilage.

6. Why is proper storage important as a post-harvest practice?

To expose crops to sunlight
To attract rodents and pests
To prevent rot and spoilage
To increase moisture content
Explanation:

Proper storage helps in protecting crops from rot and spoilage caused by exposure to moisture, pests, and unfavorable conditions.

7. What is the main goal of post-harvest practices in crop production?

To maintain crop quality
To increase crop yield
To reduce crop quality
To maximize post-harvest losses
Explanation:

The main goal of post-harvest practices is to maintain crop quality by reducing losses and ensuring high-quality produce for consumption or sale.

8. Which of the following is a post-harvest practice that involves separating parts of the crop?

Sorting
Threshing
Harvesting
Packing
Explanation:

Sorting is a post-harvest practice that involves separating damaged or unwanted parts of the crop from the high-quality produce for storage or sale.

9. How does proper drying of crops help in post-harvest practices?

It reduces shrinkage
It increases moisture content
It attracts pests
It promotes spoilage
Explanation:

Proper drying of crops helps reduce shrinkage, maintain quality, and prevent mold growth that could lead to spoilage.

10. What is the purpose of post-harvest practices like cleaning and grading?

To remove dirt and impurities
To mix crops with different varieties
To add moisture to crops
To increase crop weight
Explanation:

Cleaning and grading are post-harvest practices that help remove dirt and impurities from crops, ensuring only clean and high-quality produce is available for sale.