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1.1 The study of life Read Online
Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared. The mammals, birds, and flowers so familiar to us are all relatively recent, originating 130 to 200 million years ago. Humans have inhabited this planet for only the last 2.5 million years, and only in the last 200,000 years have humans started looking like we do today.
Chapter 34: Animal Nutrition and the Digestive System MCQ Multiple Choices Questions Quiz Test Bank
34.1 Digestive Systems
34.2 Nutrition and Energy Production
34.3 Digestive System Processes
34.4 Digestive System Regulation
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Question: Which of the following is a pseudo-ruminant?
Choices:
cow
pig
crow
horse
Question: Which of the following is a water-soluble vitamin?
Choices:
vitamin A
vitamin E
vitamin K
vitamin C
Question: What is the primary fuel for the body?
Choices:
carbohydrates
lipids
protein
glycogen
Question: Where does the majority of protein digestion take place?
Choices:
stomach
duodenum
mouth
jejunum
Question: Lipases are enzymes that break down ________.
Choices:
disaccharides
lipids
proteins
cellulose
Question: Which of the following statements is untrue?
Choices:
Roughage takes a long time to digest.
Birds eat large quantities at one time so that they can fly long distances.
Cows do not have upper teeth.
In pseudo-ruminants, roughage is digested in the cecum.
Question: The acidic nature of chyme is neutralized by ________.
Choices:
potassium hydroxide
sodium hydroxide
bicarbonates
vinegar
Question: The digestive juices from the liver are delivered to the ________.
Choices:
stomach
liver
duodenum
colon
Question: Excess glucose is stored as ________.
Choices:
fat
glucagon
glycogen
it is not stored in the body
Question: Which hormone controls the release of bile from the gallbladder
Choices:
pepsin
amylase
CCK
gastrin
Question: Which of the following statements is not true?
Choices:
Essential nutrients can be synthesized by the body.
Vitamins are required in small quantities for bodily function.
Some amino acids can be synthesized by the body, while others need to be obtained from diet.
Vitamins come in two categories: fatsoluble and water-soluble.
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