Nutrition and Dietetics Quiz: Whole Grains and Milling

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What term is used to describe a grain that has undergone minimal milling and still contains traces of the bran and germ?

Partially milled grains
Highly milled grains
Overmilled grains
Undermilled grains (correct)

Which part of the grain is primarily composed of cellulose, providing roughage for digestion?

Seed coat or hull
Kernel
Aleurone layer
Bran (correct)

Why are whole grains considered healthier than highly milled or refined grains?

Whole grains retain all the nutrients naturally present in the grain. (correct)
Whole grains are easier to digest.
Whole grains have a longer shelf life.
Whole grains have a finer texture.

What is the main function of the endosperm in the grain?

Store nutrients for the seed's growth (C) Signup and view all the answers

Why is it beneficial to include whole wheat products or brown rice in the diet?

They offer the nutritional benefits of the bran. (B) Signup and view all the answers

Which type of grains have been fortified with specific nutrients?

Enriched grains (B) Signup and view all the answers

Which type of grain offers a compromise between refined and whole grains by providing some additional nutrients compared to highly milled grains?

Undermilled grains (A) Signup and view all the answers

What is the main difference between whole grains and refined grains?

Whole grains contain all parts of the original kernel, while refined grains have the bran and germ removed. (B) Signup and view all the answers

What makes brown rice a whole grain?

It retains the bran and germ, unlike white rice. (C) Signup and view all the answers

Which type of grains have a longer shelf life but contain fewer nutrients compared to whole grains?

Highly milled or refined grains (D) Signup and view all the answers

What is the characteristic of enriched grains?

They are refined grains fortified with specific nutrients. (D) Signup and view all the answers

Which type of grain is NOT a whole grain?

White flour (B) Signup and view all the answers

What is the main effect of refining on the nutritional value of cereal grains?

Reduces the nutritional value by removing bran and germ (A) Signup and view all the answers

How does understanding the composition and characteristics of grains help in making informed dietary choices?

Emphasizes the importance of consuming whole grains for various nutrients (B) Signup and view all the answers

Which breakfast cereal typically undergoes extrusion or puffing during processing?

Cornflakes (B) Signup and view all the answers

What are the three main components of whole grains?

Bran, germ, and endosperm (D) Signup and view all the answers

Why are breakfast cereals often fortified with additional nutrients?

To add back nutrients lost during processing (D) Signup and view all the answers

Which statement accurately describes the impact of refining on cereal grains?

Reduces nutritional value by removing bran and germ (A) Signup and view all the answers