EBIO 1210 EXAM QUESTIONS WITH 100% ACCURATE
SOLUTIONS
1) 1 glucose + 1 fructose combine to form _______ by ___________.
- starch; dehydration synthesis
- sucrose; dehydration synthesis
- lactose; dehydration synthesis
- lactose; hydrolysis
- sucrose; hydrolysis -- Correct Answer ✔✔ sucrose; dehydration synthesis
2) To which sugar are human taste buds most sensitive?
- galactose
- glucose
- fructose
- amylose
- lactose -- Correct Answer ✔✔ fructose
3) From the fact that high fructose corn syrup (HFCS) tastes sweeter than regular table
sugar, one can conclude that
- HFCS contains fructose, but table sugar does not.
- glucose and fructose must both be monosaccharides.
- the percentage of fructose in HFCS must be higher than that in table
sugar.
- the percentage of fructose in HFCS must be 55%.
- fructose must stimulate the production of hormones that control blood
sugar level. -- Correct Answer ✔✔ the percentage of fructose in HFCS
must be higher than that in table sugar.
4) High-fructose corn syrup consists of
- 100% fructose.
, - 60% fructose and 40% glucose.
- 55% fructose and 45% glucose.
- 50% fructose and 50% glucose.
- 45% fructose and 55 glucose. -- Correct Answer ✔✔ 55% fructose and
45% glucose.
5) Which of these is a source of lactose?
- plant cell walls
- milk
- table sugar
- potato starch
- glycogen -- Correct Answer ✔✔ milk
6) Lactose tolerance is highest in human populations
- with no history of dairy farming.
- with a long history of dairy farming over many generations.
- with a history of dairy farming that began one generation ago. -- Correct
Answer ✔✔ with a long history of dairy farming over many generations.
7) True or false? To calculate how many C, H, and O are in a polysaccharide, one can
simply multiply the C, H, and O present in each monomer by the number of
monomers contained in the polysaccharide, and then ADD one H2O molecule for
every monomer.
- True
- False -- Correct Answer ✔✔ False
8) Glycogen functions in
- energy storage in animals.
- energy storage in plants.
- providing structural support in plant cell walls.
- providing structural support in animal cells. -- Correct Answer ✔✔ energy
storage in animals.
9) Starch functions in
- energy storage in animals.
- energy storage in plants.
, - providing structural support in plant cell walls.
- providing structural support in animal cells. -- Correct Answer ✔✔ energy
storage in plants.
10) Cellulose functions in
- energy storage in animals.
- energy storage in plants.
- providing structural support in plant cell walls.
- providing structural support in animal cells.
- providing structural support in plant and animal cell walls. -- Correct
Answer ✔✔ providing structural support in plant cell walls.
11) Because starch and cellulose have different functions, they
- must consist of the same monosaccharide.
- must both consist of glucose monomers.
- must have different structures.
- must consist of different monomers.
- must occur in different organisms. -- Correct Answer ✔✔ must have
different structures.
12) The polysaccharides used for structural support should be expected to be _______
to break down.
- difficult
- easy -- Correct Answer ✔✔ difficult
13) The polysaccharides used for energy storage should be expected to be _______ to
break down.
- difficult
- easy -- Correct Answer ✔✔ easy
14) Four of the five statements below are correct. Which one is false? Starch and
cellulose
- are both synthesized and found in plants.
- both contain a lot of energy.
- are both made of glucose monomers.
- are both structural components of plant cell walls.
, - are both polysaccharides. -- Correct Answer ✔✔ are both structural
components of plant cell walls.
15) The following statement compares different starches: Because it is branched and can
be broken down to ________ by multiple enzymes at the same time, _________ is
digested more quickly than _________.
- lactose; amylose; amylopectin
- fructose; cellulose; amylopectin
- monosaccharides; amylopectin; amylose
- simple sugars; cellulose; amylose
- amylopectin; amylose; glycogen -- Correct Answer ✔✔ monosaccharides;
amylopectin; amylose
16) The polysaccharides ________________ occur in plants, while ___________
occur(s) in animals.
- cellulose and amylopectin; amylose and glycogen
- glycogen and amylose; cellulose
- cellulose and amylose; glycogen
- amylopectin and glycogen; amylose
- cellulose and glycogen; amylopectin and amylose -- Correct Answer ✔✔
cellulose and amylose; glycogen
17) Two species that harbor microbes capable of breaking down cellulose for energy are
- humans and cats.
- humans and termites.
- termites and cows.
- cows and cats.
- termites and cats. -- Correct Answer ✔✔ termites and cows.
18) Compared to fat, glycogen is mobilized _______ and ________ to become
exhausted as an energy source in human metabolism.
- more slowly; is faster
- more slowly; is slower
- more quickly; is faster
- more quickly; is slower -- Correct Answer ✔✔ more quickly; is faster
SOLUTIONS
1) 1 glucose + 1 fructose combine to form _______ by ___________.
- starch; dehydration synthesis
- sucrose; dehydration synthesis
- lactose; dehydration synthesis
- lactose; hydrolysis
- sucrose; hydrolysis -- Correct Answer ✔✔ sucrose; dehydration synthesis
2) To which sugar are human taste buds most sensitive?
- galactose
- glucose
- fructose
- amylose
- lactose -- Correct Answer ✔✔ fructose
3) From the fact that high fructose corn syrup (HFCS) tastes sweeter than regular table
sugar, one can conclude that
- HFCS contains fructose, but table sugar does not.
- glucose and fructose must both be monosaccharides.
- the percentage of fructose in HFCS must be higher than that in table
sugar.
- the percentage of fructose in HFCS must be 55%.
- fructose must stimulate the production of hormones that control blood
sugar level. -- Correct Answer ✔✔ the percentage of fructose in HFCS
must be higher than that in table sugar.
4) High-fructose corn syrup consists of
- 100% fructose.
, - 60% fructose and 40% glucose.
- 55% fructose and 45% glucose.
- 50% fructose and 50% glucose.
- 45% fructose and 55 glucose. -- Correct Answer ✔✔ 55% fructose and
45% glucose.
5) Which of these is a source of lactose?
- plant cell walls
- milk
- table sugar
- potato starch
- glycogen -- Correct Answer ✔✔ milk
6) Lactose tolerance is highest in human populations
- with no history of dairy farming.
- with a long history of dairy farming over many generations.
- with a history of dairy farming that began one generation ago. -- Correct
Answer ✔✔ with a long history of dairy farming over many generations.
7) True or false? To calculate how many C, H, and O are in a polysaccharide, one can
simply multiply the C, H, and O present in each monomer by the number of
monomers contained in the polysaccharide, and then ADD one H2O molecule for
every monomer.
- True
- False -- Correct Answer ✔✔ False
8) Glycogen functions in
- energy storage in animals.
- energy storage in plants.
- providing structural support in plant cell walls.
- providing structural support in animal cells. -- Correct Answer ✔✔ energy
storage in animals.
9) Starch functions in
- energy storage in animals.
- energy storage in plants.
, - providing structural support in plant cell walls.
- providing structural support in animal cells. -- Correct Answer ✔✔ energy
storage in plants.
10) Cellulose functions in
- energy storage in animals.
- energy storage in plants.
- providing structural support in plant cell walls.
- providing structural support in animal cells.
- providing structural support in plant and animal cell walls. -- Correct
Answer ✔✔ providing structural support in plant cell walls.
11) Because starch and cellulose have different functions, they
- must consist of the same monosaccharide.
- must both consist of glucose monomers.
- must have different structures.
- must consist of different monomers.
- must occur in different organisms. -- Correct Answer ✔✔ must have
different structures.
12) The polysaccharides used for structural support should be expected to be _______
to break down.
- difficult
- easy -- Correct Answer ✔✔ difficult
13) The polysaccharides used for energy storage should be expected to be _______ to
break down.
- difficult
- easy -- Correct Answer ✔✔ easy
14) Four of the five statements below are correct. Which one is false? Starch and
cellulose
- are both synthesized and found in plants.
- both contain a lot of energy.
- are both made of glucose monomers.
- are both structural components of plant cell walls.
, - are both polysaccharides. -- Correct Answer ✔✔ are both structural
components of plant cell walls.
15) The following statement compares different starches: Because it is branched and can
be broken down to ________ by multiple enzymes at the same time, _________ is
digested more quickly than _________.
- lactose; amylose; amylopectin
- fructose; cellulose; amylopectin
- monosaccharides; amylopectin; amylose
- simple sugars; cellulose; amylose
- amylopectin; amylose; glycogen -- Correct Answer ✔✔ monosaccharides;
amylopectin; amylose
16) The polysaccharides ________________ occur in plants, while ___________
occur(s) in animals.
- cellulose and amylopectin; amylose and glycogen
- glycogen and amylose; cellulose
- cellulose and amylose; glycogen
- amylopectin and glycogen; amylose
- cellulose and glycogen; amylopectin and amylose -- Correct Answer ✔✔
cellulose and amylose; glycogen
17) Two species that harbor microbes capable of breaking down cellulose for energy are
- humans and cats.
- humans and termites.
- termites and cows.
- cows and cats.
- termites and cats. -- Correct Answer ✔✔ termites and cows.
18) Compared to fat, glycogen is mobilized _______ and ________ to become
exhausted as an energy source in human metabolism.
- more slowly; is faster
- more slowly; is slower
- more quickly; is faster
- more quickly; is slower -- Correct Answer ✔✔ more quickly; is faster
