BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
Certain nutrients are considered "essential" in the diets of some animals because _____.
Select all that apply.
A. the nutrients are required for normal organismal function
B. only certain foods contain them
C. these animals are not able to synthesize these nutrients
D. only those animals use those nutrients CORRECT ANS-A & C
Some of the "dead stuff in our food" makes it into our food chain through the activity of
decomposers such as fungi. Fungi are:
A. photoautotrophs
B. photoheterotrophs
C. chemoautotrophs
D. chemoheterotrophs CORRECT ANS-D
Which elements are most often the limiting nutrients for plant growth?
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
A. carbon, nitrogen, oxygen
B. carbon, potassium, sodium
C. carbon, sodium, chlorine
D. nitrogen, oxygen, hydrogen
E. nitrogen, potassium, phosphorus CORRECT ANS-E
What is the importance of consuming an adequate amount of proteins in the diet?
A. They are used as cofactors for metabolic reactions and are required in minute quantities.
B. Proteins are necessary to produce urea and other important metabolites.
C. Proteins serve a variety of functions, and the body does not store excess quantities of
amino acids.
D. They are most commonly used to meet energy demands of cells. CORRECT ANS-C
How does a longer alimentary canal (digestive tract) create an advantage in processing plant
material?
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
A. Increased time of digestion allows for more processing.
B. More volume means more food can be consumed.
C. It creates positive feedback for decreased enzymatic activity. CORRECT ANS-A
Where does the mass of a tree come from?
A. Soil
B. Sunlight
C. Air
D. Water CORRECT ANS-C
How does mineral mobility affect the symptoms of deficiency in plants?
A. Deficiency of a mobile nutrient usually affects older organs more than young ones
B. Deficiency of a mobile nutrient usually affects younger organs more than older ones
CORRECT ANS-A
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
Iron deficiency is often indicated by yellowing in newly formed leaves. This suggests that iron
is _____.
A. concentrated in the xylem of older leaves
B. relatively immobile nutrient in plants
C. concentrated in the phloem of older leaves
D. found in leghemoglobin and reduces the amount available to new plant parts
E. tied up in formed chlorophyll molecules CORRECT ANS-B
Why are plants like the venus fly trap and pitcher plant carnivorous?
A. They need additional carbon than is present in the soil
B. They need additional protein than what is present in the soil
C. They need additional mineral nutrients than what is present in the soil
D. They need additional energy than what is present in the soil CORRECT ANS-C
with Detailed Solutions
Certain nutrients are considered "essential" in the diets of some animals because _____.
Select all that apply.
A. the nutrients are required for normal organismal function
B. only certain foods contain them
C. these animals are not able to synthesize these nutrients
D. only those animals use those nutrients CORRECT ANS-A & C
Some of the "dead stuff in our food" makes it into our food chain through the activity of
decomposers such as fungi. Fungi are:
A. photoautotrophs
B. photoheterotrophs
C. chemoautotrophs
D. chemoheterotrophs CORRECT ANS-D
Which elements are most often the limiting nutrients for plant growth?
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
A. carbon, nitrogen, oxygen
B. carbon, potassium, sodium
C. carbon, sodium, chlorine
D. nitrogen, oxygen, hydrogen
E. nitrogen, potassium, phosphorus CORRECT ANS-E
What is the importance of consuming an adequate amount of proteins in the diet?
A. They are used as cofactors for metabolic reactions and are required in minute quantities.
B. Proteins are necessary to produce urea and other important metabolites.
C. Proteins serve a variety of functions, and the body does not store excess quantities of
amino acids.
D. They are most commonly used to meet energy demands of cells. CORRECT ANS-C
How does a longer alimentary canal (digestive tract) create an advantage in processing plant
material?
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
A. Increased time of digestion allows for more processing.
B. More volume means more food can be consumed.
C. It creates positive feedback for decreased enzymatic activity. CORRECT ANS-A
Where does the mass of a tree come from?
A. Soil
B. Sunlight
C. Air
D. Water CORRECT ANS-C
How does mineral mobility affect the symptoms of deficiency in plants?
A. Deficiency of a mobile nutrient usually affects older organs more than young ones
B. Deficiency of a mobile nutrient usually affects younger organs more than older ones
CORRECT ANS-A
, BIOS 1108 Module Four Learning Catalytics; Questions
with Detailed Solutions
Iron deficiency is often indicated by yellowing in newly formed leaves. This suggests that iron
is _____.
A. concentrated in the xylem of older leaves
B. relatively immobile nutrient in plants
C. concentrated in the phloem of older leaves
D. found in leghemoglobin and reduces the amount available to new plant parts
E. tied up in formed chlorophyll molecules CORRECT ANS-B
Why are plants like the venus fly trap and pitcher plant carnivorous?
A. They need additional carbon than is present in the soil
B. They need additional protein than what is present in the soil
C. They need additional mineral nutrients than what is present in the soil
D. They need additional energy than what is present in the soil CORRECT ANS-C
