BIO100 Lab Final Exam Questions and Answers

BIO100 Lab Final Exam Questions and Answers

Question 1.
what is the common name for club fungi?
Correct Answer: mushroom

Question 2.
what hominid genus flourished 2.8 mya?
Correct Answer: Australopithecus Africarius

Question 3.
does the amount of oxygen dissolved in water increase or decrease when the temperature
of the water increases
Correct Answer: decrease

Question 4.
what results when sulfur dioxide and nitrogen oxides, formed by burning fossil fuels, enter
the atmosphere
Correct Answer: acid deposition

Question 5.
what are the three major shapes of bacteria?
Correct Answer: spirillium (spiral) bacilli (rod) cocci (sphere)

Question 6.
explain the structural and chemical characteristics of roots that allow for increased water
absoprtion
Correct Answer: root hairs increase the surface area for absorption of water that
moves through the correct by way of osmosis and enters the vascular cylinder
where xylem is located

Question 7.
Which carbohydrates are the ons you can eat any time?
Correct Answer: healthy fibrous leafy vegetables. poly.

Question 8.
True or False: Assume all reagents are poisonous and act accordingly
Correct Answer: True

Question 9.
what is an example of a terrestrial ecosystem
Correct Answer: deciduous forest

Question 10.
where is metabolic waste stored in a chick
Correct Answer: allantois

,Question 11.
which structure produces spores in a zygospore fungi?
Correct Answer: sporangium

Question 12.
what are the dominant producers in freshwater and saltwater ecosystems
Correct Answer: algae

Question 13.
what do we call the number of different microorganisms observed and their relative
abundance in the hay infusion culture
Correct Answer: species composition and diversity

Question 14.
true or false: the history of life began with the evolution of the prokaryotic cell
Correct Answer: true

Question 15.
name te structure that helps chromosomes move and is formed during interphase
Correct Answer: spindle fibers

Question 16.
what happens to sister chromatids during anaphase of mitosis
Correct Answer: pull apart to poles

Question 17.
which part of a human blastocyst becomes the embryo, the inner cell mass or the
trophoblast
Correct Answer: inner cell mass

Question 18.
What are cells with similar structural features and a common function called?
Correct Answer: tissue

Question 19.
where would you expect to find meiosis taking place in humans
Correct Answer: testes, ovaries

Question 20.
what occurs during the S stage of interphase
Correct Answer: synthesis of DNA

Question 21.
what does the archenteron become
Correct Answer: digestive tract

, Question 22.
if asters are observed in cells undergoing mitosis, are the cells animal or plant cells
Correct Answer: animal

Question 23.
What is the nutrient material used for culturing bacteria?
Correct Answer: Agar

Question 24.
What is lactase?
Correct Answer: protein

Question 25.
What is the function of the plasma membrane?
Correct Answer: it regulated what comes in and out of the cell

Question 26.
in what region of the skin are blood vessels, nerves, sense organs, glands, and hair follicles
located?
Correct Answer: dermis

Question 27.
what molecule is present after pancreatic amylase digests starch
Correct Answer: maltose

Question 28.
What kinds of cells produce mucus that protects the simple columnar epithelium lining in
the stomach from digestive enzymes
Correct Answer: goblet

Question 29.
in addition to a postanal tail and a dorsal nerve cord, what structures are observed in
vertebrate embryos?
Correct Answer: head, limbs, somites, eyes, yolk stalk, heart, brain, phalanges,
humerus, radius, ulna

Question 30.
where are basidia located on cup fungi?
Correct Answer: inside

Question 31.
what structure goes rise to new plant cell walls
Correct Answer: cell plate

Question 32.
which type of symbiotic relationship is represented by mycorrhizae?
Correct Answer: mutualism