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BIO
170
- Second
Exam - 2021
Multiple Choice.
Place
the letter of the choice that best answers the question on the line to
the left.
Two Points Each.
NOTE: “e” answers are never the correct answer. _______ 1.
A fern would collect water mostly through its
a.
Gametophytes
b. Roots
c.
Sori
d. Rhizomes
e. Nonprofit “give water to the poor” foundation _______ 2.
The basic purpose of fruit:
a.
Feeding offspring
b. Feeding animals
c. Spreading pollen
d. Spreading seeds
e.
Making us feel guilty for our dietary choices
_______ 3.
The endosymbiont theory is about
a. The
evolution of land plants
b. The
contributions of the microbiome
c. The
origin of some eukaryote cell structures
d. How
some protozoan parasites evolved
e. Some
wacky biology idea that no one cares about _______ 4.
The counterforce to root pressure is
a. Photosynthesis
b. Gravity
c. Suction
d. Osmosis
e. Root medication _______5.
In order for plants to adapt to land, they had to have
a.
Fungus symbionts
b. Pollinators
c.
A new type of photosynthesis
d. Leaves _______6.
Male pine cones tend to
a. Appear
earlier than female cones
b. Appear
later than female cones
c. Appear
higher on the tree than female cones
d. Appear
lower on the tree than female cones
e. Unsure
what joke here will not be problematical… _______7.
An extremophile is mostly likely from which group?
a.
Yeasts
b. Archaea
c. Lichens
d.
Apicomplexa
e. Those Q-anon folks _______8.
Sori are found in the
a. Tracheophytes
b. Flagellates
c. Bacteria
d.
Fungi
e. Rarer
pasta category _______9.
Two nutrients plants need,
but are
not the main input of photosynthesis:
a.
Nitrates & Phosphates
b. Water & phosphates
c.
Nitrate & carbon dioxide
d. Water & carbon
dioxide
e. Pizza & beer _______10.
Contractile vacuoles would be found in
a. Land
plants
b. Archaea
c. Algae
d. Freshwater protozoans
e. Squeezy things _______11.
Which would be a bryophyte?
a.
Moss
b. Rose
c. Pine tree
d. Fern
e. Eenyphyte, Meenyphyte,
Mineyphyte… _______12.
The meristem is virtually the only part of the plant
a. Growing
b. Respiring
c. Making
new cells
d. Photosynthesizing _______13.
Reradiation can happen in materials when
a. Electrons jump outward
b. Electrons jump back inward
c. They break down
d. They combine
chemically
e.
They don’t like the radiation they got for Christmas _______14.
A season with good growth will show up in a tree as
a. A
wide light ring
b. A wide dark ring
c. A narrow light ring
d. A narrow dark ring
e. Some sort of ring,
obviously _______15.
Which would be producing egg cells (ova)?
a. Fruiting
body
b. Antheridia
c. Stamen
d. Archegonia
e. Tiny
chickens? _______16.
Adhesion and
cohesion are important factors
in plants for
a.
Pollination
b. Water movement
c. Germination d. Fruit formation
e.
Those plants, with their post-its and team-building exercises…
_______17.
Trypanosomes became medically important when what was
explained?
a. How
they entered the brain
b. How
they prevented new infections
c. How
they evaded digestion
d. How
they remained for years in the blood
e. How
they came to have a long annoying name _______18.
A “successful” disease organism usually must still get offspring
to a new host
before
a. The
host’s immune response gets activated
b. The
host dies
c. The
organism uses up the resources it needs
d. The
first invasive organism dies Short Answer.
Pick NINE questions to answer in
the spaces provided. NOTE:
if you answer MORE than nine, only the first nine will be
corrected. Four Points each.
Partial credit is possible.
Long Answer. Select and answer completely
any four of the following questions. Note:
if you answer more than four, only the
first four will be corrected.
BONUS QUESTIONS.
Answer as many or as few as
you wish. You can't lose points
on the rest of the exam by getting these wrong.
Partial credit is possible. The math-based explanation
for cell size limits has a major flaw.
What is it? Three Points. What makes pasteurized milk
spoil? Three Points.
Why are brightly-colored fish not brightly colored
where they normally live?
Three Points.
What color flowers can a typical bee not pick
out from the background? Three
Points. What
two types of organisms make up a
lichen?
Four Points.
What’s
wrong
with the term spore?
Three Points. A
pine tree or a rose bush is considered a sporophyte.
Why does that seem wrong? (not connected to actual spores)
Three Points. What can make auxins actively migrate? Three Points. A mushroom is a fungus,
but it sort of isn’t. Explain.
Three Points. Briefly explain “sex as
suicide” in some protozoans.
Three Points.
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