Summary

This document is a question and answer sheet covering animal nutrition. It includes multiple choice questions on topics like the composition of triglycerides, the function of protein breakdown, and the role of bile in fat digestion. It appears to be suitable for a secondary school biology class.

Full Transcript

What is the composition of a simple triglyceride? A. One fatty acid attached to a carbohydrate. B. Three different fatty acids bound to glycerol. C. Two identical fatty acids and one different fatty acid. D. Three identical fatty acids bound to glycerol. ANSWER: D Which of the following amino...

What is the composition of a simple triglyceride? A. One fatty acid attached to a carbohydrate. B. Three different fatty acids bound to glycerol. C. Two identical fatty acids and one different fatty acid. D. Three identical fatty acids bound to glycerol. ANSWER: D Which of the following amino acids is classified as non-essential? A. Arginine B. Valine C. Alanine D. Histidine ANSWER: C What is the function of protein breakdown in the body? A. It converts proteins directly into glucose. B. It reduces excess ammonia by converting it to urea. C. It aids in synthesizing fatty acids. D. It enhances the absorption of carbohydrates. ANSWER: B How does fat aid energy metabolism in the diet? A. By replacing the need for carbohydrates. B. By enhancing the absorption of vitamins. C. By providing a concentrated source of energy. D. By serving as the primary source of dietary fiber. ANSWER: C What effect does lignin have on the digestibility of dietary components? A. It is completely indigestible and reduces digestibility. B. It enhances the absorption of carbohydrates. C. It aids in the digestion of fats. D. It increases the digestibility of proteins. ANSWER: A What does DE represent in the context of feed energy? A. Degraded Energy lost through urine processing. B. The total energy stored in the animal\'s body. C. Digestible Energy as the energy absorbed by the animal. D. The proportion of feed energy not found in the feces. ANSWER: D Which statement accurately describes the composition of mixed triglycerides? A. They are composed solely of saturated fatty acids. B. They are exclusively made up of unsaturated fatty acids. C. They contain more glycerol than fatty acids. D. They consist of different types of fatty acids. ANSWER: D What indicates the presence of essential amino acids in protein sources? A. They must be obtained through the diet. B. They are only found in animal proteins. C. They are never utilized for energy. D. They can be synthesized by the body. ANSWER: A Which of the following factors contributes to the difficulty in fat digestion in the stomach? A. The lack of bile salts in the stomach. B. The size of fat globules. C. The high sugar content in fats. D. The presence of non-essential amino acids. ANSWER: B What role does ammonia play in the metabolism of dietary protein? A. It is directly used for energy production. B. It aids in digestion of other proteins. C. It is excreted when in excess. D. It is converted into glucose for storage. ANSWER: C Which of the following carbohydrates is predominantly found in whole grain cereals? A. Fructose B. Lignin C. Cellulose D. Starch in the form of amylose ANSWER: D What is the primary reason for the role of bile in fat digestion? A. To synthesize fatty acids from carbohydrates. B. To maintain a stable pH in the stomach. C. To transport fats to the bloodstream. D. To emulsify fats and facilitate lipase action. ANSWER: D What is one of the primary functions of dietary fat? A. To regulate body temperature. B. To serve as a concentrated source of energy. C. To provide structural support to cells. D. To store amino acids for protein synthesis. ANSWER: B

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