Q: Which of the following equations best represents the expected time a student should spend on BSC 2011 material outside of class per week, if the course is 3 credit hours?

$$ 3 \times 2 = 6 to$$ $$ 3 \times 3 = 9 $$ hours

Question 1

Which of the following best describes the Opisthokonta clade?

Accepted Answer

A monophyletic group within the Supergroup Unikonta that includes animals, fungi, and some protists.

Question 2

Choanoflagellates are considered the closest living relatives to which group?

Accepted Answer

Animals

Question 3

Which structure in fungi is primarily responsible for nutrient absorption?

Accepted Answer

Hyphae

Question 4

A scientist discovers a new fungus that forms a mutualistic relationship with plant roots, exchanging carbohydrates for minerals and water. This relationship is best described as:

Accepted Answer

Mycorrhizae

Question 5

Which of the following is NOT a characteristic of the phylum Porifera?

Accepted Answer

Presence of true tissues

Question 6

Which fungal group is correctly matched with its reproductive structure?

Accepted Answer

Basidiomycota – Basidia

Question 7

Lichens are best described as:

Accepted Answer

A symbiotic relationship between fungi and cyanobacteria or green algae

Question 8

Which of the following statements about Cnidarians is TRUE?

Accepted Answer

They possess nematocysts and can have both polyp and medusa stages.

Question 9

A bread mold is observed producing zygosporangia during sexual reproduction. To which fungal group does it most likely belong?

Accepted Answer

Mucoromycota

Question 10

Which of the following best explains why fungi are classified as absorptive heterotrophs?

Accepted Answer

They secrete enzymes to break down organic matter and absorb the nutrients.

Question 11

Which of the following is a distinguishing feature of choanoflagellate cells?

Accepted Answer

A collar of microvilli surrounding a central flagellum

Question 12

Which of the following equations best represents the expected time a student should spend on BSC 2011 material outside of class per week, if the course is 3 credit hours?

Accepted Answer

$$ 3 	imes 2 = 6  to$$ $$ 3 	imes 3 = 9 $$ hours

Question 13

Which of the following is NOT a form of lichen based on its morphology?

Accepted Answer

Mycorrhizal

Question 14

Which of the following best describes the feeding process in sponges?

Accepted Answer

Water enters through ostia, food is trapped by choanocytes, and nutrients are distributed by amoebocytes.

Question 15

Which of the following is a key difference between Cnidarians and Ctenophores?

Accepted Answer

Cnidarians have nematocysts, while Ctenophores do not.

Question 16

Which of the following is a correct pairing of a fungal group and an example organism?

Accepted Answer

Ascomycota – Saccharomyces cerevisiae

Question 17

Which of the following statements about the evolutionary significance of the Opisthokonta is correct?

Accepted Answer

It demonstrates that animals and fungi share a common ancestor distinct from plants.

Question 18

A student observes a cross-section of a mushroom and identifies basidiospores. To which group does this organism belong?

Accepted Answer

Basidiomycota

Question 19

Which of the following best explains why lichens are important in ecological succession?

Accepted Answer

They break down rocks and contribute to soil formation.

Question 20

Which of the following is a multi-step process that occurs during sexual reproduction in Ascomycota?

Accepted Answer

Formation of asci, followed by meiosis to produce ascospores

Opisthokonta, Fungi, and Introduction to Metazoa: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards