Question 1

Which of the following statements best describes the location and structure of bacterial DNA?

Accepted Answer

It is circular and found in the nucleoid region of the cytoplasm.

Question 2

Which domains of life are classified as prokaryotes?

Accepted Answer

Bacteria & Archaea

Question 3

A scientist isolates a cell that is 2 μm in size, lacks a nucleus, and has a cell wall. This cell is most likely a:

Accepted Answer

Bacterium

Question 4

Which of the following is NOT a feature shared by all cells?

Accepted Answer

Contains a nucleus that stores the genetic material

Question 5

Many species of Archaea are known to thrive in environments in which most living things would not survive. These Archaea are called:

Accepted Answer

Extremophiles

Question 6

Which of the following is a primary difference between all prokaryotes and eukaryotic cells?

Accepted Answer

a and b

Question 7

Which of the following best describes the nutritional classification of cyanobacteria?

Accepted Answer

Photoautotrophs

Question 8

Organisms that use organic molecules as their source of carbon are called:

Accepted Answer

Heterotrophs

Question 9

Which of the following combinations correctly describes humans in terms of energy, electron, and carbon source?

Accepted Answer

Chemoorganoheterotrophs

Question 10

Which of the following is a benefit that eukaryotes gained via endosymbiosis?

Accepted Answer

A chloroplast

Question 11

In the alternation of generations life cycle, which of the following is true?

Accepted Answer

All of the above.

Question 12

Which of the following represents the correct sequence of alternation of generations in Laminaria?

Accepted Answer

Sporophyte \u003e zoospore \u003e gametophyte \u003e gamete \u003e zygote \u003e sporophyte.

Question 13

Which protist life cycle has a distinct use of both mitosis & meiosis across haploid & diploid stages?

Accepted Answer

All of the above.

Question 14

Which of the following statements is true about conjugation in the Paramecium life cycle?

Accepted Answer

It does not result in an increase in population size or genetic recombination.

Question 15

Which of the following is NOT a characteristic of all animals?

Accepted Answer

They have cell walls.

Question 16

Which of the following is a defining feature of chordates?

Accepted Answer

Presence of a notochord at some stage of development.

Question 17

Which of the following best describes the evolutionary advantage of the amniotic egg?

Accepted Answer

It provides a water-tight environment for embryo development.

Question 18

Which of the following is a correct pairing of animal group and a unique feature?

Accepted Answer

Arthropods – exoskeleton made of chitin

Question 19

Which of the following is a characteristic of all protists?

Accepted Answer

They have a membrane-bound nucleus.

Prokaryotes, Protists, and the Evolution of Eukaryotes: Structure, Function, and Diversity

Study Guide - Practice Questions