OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Gill
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Pseudopod
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Crop
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Gizzard
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Detailed explanation-1: -…the stomach forms a thin-walled crop, which is the bird’s principal organ for the temporary storage of food. Some birds use the crop to carry food to their young. Ruminant mammals, such as the cow, are often said to have four “stomachs.” Actually, the first three of these chambers (rumen, …
Detailed explanation-2: -Stomach: An organ with strong muscular walls, the stomach holds the food and mixes it with acid and enzymes that continue to break the food down into a liquid or paste. Small Intestine (Small Bowel): Almost 20 feet long, the small intestine is the workhorse of the digestive system.
Detailed explanation-3: -1: Digestion begins in the oral cavity: Digestion of food begins in the (a) oral cavity. Food is masticated by teeth and moistened by saliva secreted from the (b) salivary glands. Enzymes in the saliva begin to digest starches and fats.