BIO 116 Exam Review UPDATED Exam
Questions and CORRECT Answers
Which of the following metabolic pathways is found only in prokaryotes?
Anaerobic respiration
Nitrogen fixation
Glycolysis
Alcohol fermentation
A and B - CORRECT ANSWER -A and B
You are tasked with culturing a lithotrophic and autotrophic bacteria. Which of the following
resources does it NOT need to survive?
Carbon dioxide
Complex organic molecules
Inorganic molecules
A and B - CORRECT ANSWER -Complex organic molecules
What role do bacteria that utilize nitrogen in energy acquisition play in ecosystems?
They can form the basis of ecosystems where no other energy source is available, such as deep-
sea vents.
They converted the carbon dioxide in the atmosphere of prehistoric earth to oxygen.
They help cycle nitrogen in ecosystems, converting it into forms that certain plant species can
utilize.
They can clean up nitrogen pollution - CORRECT ANSWER -They help cycle nitrogen in
ecosystems, converting it into forms that certain plant species can utilize.
You are pulling up the bean plants in garden that you had taken home from lab. You notice that
the roots of the plants of nodules or ball-shaped structures on them. You borrow a microscope
from your lab and discover that there are bacteria in the nodules. You think this is a symbiotic
relationship between the bacteria and the bean plant. What resource are the bacteria providing
the plant?
, Nitrates and amino acids with nitrogen
Carbohydrates
N2
Water
None; the bacteria are infectious, not symbiotic - CORRECT ANSWER -Nitrates and
amino acids with nitrogen
What chemical present in secondary plant cell walls that makes them stronger than primary cell
walls?
Casparian strips
Cellulose
Chlorophyll
Lignin
Sclerenchyma - CORRECT ANSWER -Lignin
Which of the following lists the three organs that make up flowering plants?
Flowers, leaves, and roots
Flowers, leaves, and seeds
Leaves, stems, and roots
Leaves, seeds, and roots
Seeds, stems, and roots - CORRECT ANSWER -Leaves, stems, and roots
What type of modified root is pictured below?
Buttress roots
Prop roots
Rhizome
Tap root
Fibrous roots - CORRECT ANSWER -Prop roots
Questions and CORRECT Answers
Which of the following metabolic pathways is found only in prokaryotes?
Anaerobic respiration
Nitrogen fixation
Glycolysis
Alcohol fermentation
A and B - CORRECT ANSWER -A and B
You are tasked with culturing a lithotrophic and autotrophic bacteria. Which of the following
resources does it NOT need to survive?
Carbon dioxide
Complex organic molecules
Inorganic molecules
A and B - CORRECT ANSWER -Complex organic molecules
What role do bacteria that utilize nitrogen in energy acquisition play in ecosystems?
They can form the basis of ecosystems where no other energy source is available, such as deep-
sea vents.
They converted the carbon dioxide in the atmosphere of prehistoric earth to oxygen.
They help cycle nitrogen in ecosystems, converting it into forms that certain plant species can
utilize.
They can clean up nitrogen pollution - CORRECT ANSWER -They help cycle nitrogen in
ecosystems, converting it into forms that certain plant species can utilize.
You are pulling up the bean plants in garden that you had taken home from lab. You notice that
the roots of the plants of nodules or ball-shaped structures on them. You borrow a microscope
from your lab and discover that there are bacteria in the nodules. You think this is a symbiotic
relationship between the bacteria and the bean plant. What resource are the bacteria providing
the plant?
, Nitrates and amino acids with nitrogen
Carbohydrates
N2
Water
None; the bacteria are infectious, not symbiotic - CORRECT ANSWER -Nitrates and
amino acids with nitrogen
What chemical present in secondary plant cell walls that makes them stronger than primary cell
walls?
Casparian strips
Cellulose
Chlorophyll
Lignin
Sclerenchyma - CORRECT ANSWER -Lignin
Which of the following lists the three organs that make up flowering plants?
Flowers, leaves, and roots
Flowers, leaves, and seeds
Leaves, stems, and roots
Leaves, seeds, and roots
Seeds, stems, and roots - CORRECT ANSWER -Leaves, stems, and roots
What type of modified root is pictured below?
Buttress roots
Prop roots
Rhizome
Tap root
Fibrous roots - CORRECT ANSWER -Prop roots
