BIOS 256 ACTUAL EXAM FULL QUESTIONS
AND CORRECT ANSWERS GRADED A PLUS
●● ingestion
Answer: intake of food
●● digestion
Answer: mechanical and chemical breakdown of food into a form usable
by the body
●● absorption
Answer: uptake of nutrient molecules into the epithelial cells of the
digestive tract and then into the blood and lymph
●● compaction
Answer: absorbing water and consolidating the indigestible residue into
feces
●● defecation
Answer: elimination of feces
●● mechanical digestion
, Answer: the physical breakdown of food into smaller particles
●● chemical digestion
Answer: a series of hydrolysis reactions that breaks dietary
macromolecules into their monomers
●● polysaccharides break down into
Answer: monosaccharides
●● proteins break down into
Answer: peptides and amino acids
●● fats break down into
Answer: monoglycerides and fatty acids
●● nucleic acids break down into
Answer: nucleotides
●● organs of the alimentary canal
Answer: mouth, pharynx, esophagus, stomach, small intestine, large
intestine
●● acessory organs of the digestive system
AND CORRECT ANSWERS GRADED A PLUS
●● ingestion
Answer: intake of food
●● digestion
Answer: mechanical and chemical breakdown of food into a form usable
by the body
●● absorption
Answer: uptake of nutrient molecules into the epithelial cells of the
digestive tract and then into the blood and lymph
●● compaction
Answer: absorbing water and consolidating the indigestible residue into
feces
●● defecation
Answer: elimination of feces
●● mechanical digestion
, Answer: the physical breakdown of food into smaller particles
●● chemical digestion
Answer: a series of hydrolysis reactions that breaks dietary
macromolecules into their monomers
●● polysaccharides break down into
Answer: monosaccharides
●● proteins break down into
Answer: peptides and amino acids
●● fats break down into
Answer: monoglycerides and fatty acids
●● nucleic acids break down into
Answer: nucleotides
●● organs of the alimentary canal
Answer: mouth, pharynx, esophagus, stomach, small intestine, large
intestine
●● acessory organs of the digestive system