Skip to ContentGo to accessibility pageKeyboard shortcuts menu
OpenStax Logo
Biology

Review Questions

BiologyReview Questions
4.

What event is thought to have contributed to the evolution of eukaryotes?

  1. global warming
  2. glaciation
  3. volcanic activity
  4. oxygenation of the atmosphere
5.

Which characteristic is shared by prokaryotes and eukaryotes?

  1. cytoskeleton
  2. nuclear envelope
  3. DNA-based genome
  4. mitochondria
6.

Mitochondria most likely evolved by _____________.

  1. a photosynthetic cyanobacterium
  2. cytoskeletal elements
  3. endosymbiosis
  4. membrane proliferation
7.

Which of these protists is believed to have evolved following a secondary endosymbiosis?

  1. green algae
  2. cyanobacteria
  3. red algae
  4. chlorarachniophytes
8.

Protists that have a pellicle are surrounded by ______________.

  1. silica dioxide
  2. calcium carbonate
  3. carbohydrates
  4. proteins
9.

Protists with the capabilities to perform photosynthesis and to absorb nutrients from dead organisms are called ______________.

  1. photoautotrophs
  2. mixotrophs
  3. saprobes
  4. heterotrophs
10.

Which of these locomotor organs would likely be the shortest?

  1. a flagellum
  2. a cilium
  3. an extended pseudopod
  4. a pellicle
11.

Alternation of generations describes which of the following?

  1. The haploid form can be multicellular; the diploid form is unicellular.
  2. The haploid form is unicellular; the diploid form can be multicellular.
  3. Both the haploid and diploid forms can be multicellular.
  4. Neither the haploid nor the diploid forms can be multicellular.
12.

Which protist group exhibits mitochondrial remnants with reduced functionality?

  1. slime molds
  2. diatoms
  3. parabasalids
  4. dinoflagellates
13.

Conjugation between two Paramecia produces ________ total daughter cells.

  1. 2
  2. 4
  3. 8
  4. 16
14.

What is the function of the raphe in diatoms?

  1. locomotion
  2. defense
  3. capturing food
  4. photosynthesis
15.

What genus of protists appears to contradict the statement that unicellularity restricts cell size?

  1. Dictyostelium
  2. Ulva
  3. Plasmodium
  4. Caulerpa
16.

An example of carbon fixation is _____________.

  1. photosynthesis
  2. decomposition
  3. phagocytosis
  4. parasitism
17.

Which parasitic protist evades the host immune system by altering its surface proteins with each generation?

  1. Paramecium caudatum
  2. Trypanosoma brucei
  3. Plasmodium falciparum
  4. Phytophthora infestans
PreviousNext
Order a print copy
Citation/Attribution

This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's permission.

Want to cite, share, or modify this book? This book uses the Creative Commons Attribution License and you must attribute OpenStax.

Attribution information
  • If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution:
    Access for free at https://openstax.org/books/biology/pages/1-introduction
  • If you are redistributing all or part of this book in a digital format, then you must include on every digital page view the following attribution:
    Access for free at https://openstax.org/books/biology/pages/1-introduction
Citation information

© Feb 14, 2022 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.