17 Questions
What is the function of the embryo in a rice grain?
Develop into a new plant
How does the embryo of a rice grain respire?
By taking in oxygen in the air
What does the embryo of a rice grain consume for food?
Starch in the grain itself
What happens to the embryo during milling?
It is removed
What is the main composition of the endosperm in a rice grain?
Starch
What is the part of the grain attached to the panicle?
Pedicel
What is the thin fibrous layer of the grain known as?
Pericarp
How many layers does the pericarp consist of?
Three
What is sometimes called the tegmen layer?
Testa
What is removed in the whitening stage during milling?
Bran
What does a higher milling degree of grains indicate?
Greater percentage of bran removed
What is the most visible part of a rough rice grain?
HULL
What can damage processing equipment due to excessive wear and tear of machine parts?
HULL
What part of the grain makes it abrasive and very hard, providing protection against insects, microorganisms, moisture, and gases?
TRICHOMES
Where can Awn be found in the grain?
AT THE UPPER END OF THE HULL SECTIONS (PALEA AND LEMMA)
Why is knowing the anatomy of grain important in postharvest operations?
PREREQUISITE IN GAINING A CLOSER UNDERSTANDING OF WHAT HAPPENS TO THE GRAIN
What makes rice kernels break easily on mechanical impact during physical operations?
ADJUSTMENT OF HULLING MACHINES
Test your knowledge on the anatomy of grains, particularly focusing on rice kernels and the external parts of the paddy grain. Understand the importance of knowing the grain anatomy for postharvest operations and hulling machine adjustments.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
