What is the main purpose of seed processing?
C
To improve seed quality for sowing
D
To increase seed moisture
Analysis & Theory
Seed processing aims to clean, grade, and treat seeds to improve their quality and performance in the field.
Which of the following is the first step in seed processing?
Analysis & Theory
Drying is usually the first step to bring seed moisture content to a safe level for further processing.
What is the primary objective of seed cleaning?
B
Separation of inert matter and poor-quality seeds
Analysis & Theory
Seed cleaning removes dust, broken seeds, weed seeds, and other foreign materials.
Which machine is commonly used for removing lighter impurities from seeds?
Analysis & Theory
An aspirator removes light impurities like chaff and husk using air suction.
Which machine separates seeds based on density or specific gravity?
Analysis & Theory
Gravity separators classify seeds based on density to separate filled and unfilled seeds.
What is the purpose of seed grading?
B
To separate seeds by color
C
To sort seeds by size and weight
D
To polish the seed surface
Analysis & Theory
Seed grading improves uniformity by sorting seeds according to physical dimensions.
Which machine is used for removing round impurities like weed seeds from crops such as wheat?
A
Indented cylinder separator
Analysis & Theory
Indented cylinder separators use differences in length to separate unwanted round seeds.
What is seed treatment in the context of seed processing?
B
Coating seeds with fertilizers
C
Application of chemicals to protect against diseases and pests
D
Coloring the seeds for market
Analysis & Theory
Seed treatment involves applying fungicides, insecticides, or bio-agents to protect seeds during storage and germination.
Why is moisture content critical in seed storage after processing?
C
To prevent fungal growth and spoilage
Analysis & Theory
High moisture can lead to spoilage and fungal growth during storage; seeds must be dried to safe levels.
What is the purpose of seed packaging after processing?
C
To ensure safe storage and handling
D
To reduce moisture further
Analysis & Theory
Packaging protects processed seeds from environmental factors, pests, and physical damage.