Biology B - Unit 2 Practice Test

52 Questions | By Mrmckanna | Updated: Mar 22, 2022 | Attempts: 908

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1.

A student eats several salty pretzels and then finds herself very thirsty afterwards. Based on your knowledge of cells and their environment, why are they so parched?
2.

If a cell were to have non-functional Golgi Complexes, why would it be unable to survive?
3.

While looking at a sample of bacteria, a student has his microscope at 400X magnification. The image is a little fuzzy. How should he properly adjust the microscope to get a clear image?
4.

A substance with a pH value below 7. Has a high concentration of H3O+
- A.
  
  Acid
- B.
  
  Base
- C.
  
  Buffer
- D.
  
  Enzyme
5.

A kingdom made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment.
- A.
  
  Animalia
- B.
  
  Plantae
- C.
  
  Protista
- D.
  
  Fungi
6.

Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan. Grow in extreme environments.
- A.
  
  Archaea
- B.
  
  Animalia
- C.
  
  Eukaryota
- D.
  
  Lysosome
7.

A phospholipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment.
- A.
  
  Cell Wall
- B.
  
  Golgi Apparatus
- C.
  
  Endoplasmic Reticulum
- D.
  
  Cell Membrane
8.

A large knob used only under low power objective on the microscope.
- A.
  
  Coarse Focus
- B.
  
  Stage
- C.
  
  Fine Focus
- D.
  
  Diaphragm
9.

Movement of molecules from an area of higher concentration to an area of lower concentration.
- A.
  
  Osmosis
- B.
  
  Diffusion
- C.
  
  Hypertonic
- D.
  
  Isotonic
10.

A system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids.
- A.
  
  Endoplasmic Reticulum
- B.
  
  Golgi Apparatus
- C.
  
  Lysosome
- D.
  
  Ribosome
11.

Domain of organisms that contain nuclei: includes animals, plants, fungi, and protists.
- A.
  
  Eukaryota
- B.
  
  Archaea
- C.
  
  Bacteria
12.

A knob that makes small adjustments to the focus of a microscope.
- A.
  
  Fine Focus
- B.
  
  Coarse Focus
- C.
  
  Objective Lens
- D.
  
  Stage
13.

A kingdom of complex organisms that obtain food by breaking down other substances in their surroundings and absorbing the nutrients.
- A.
  
  Animalia
- B.
  
  Fungi
- C.
  
  Plantae
- D.
  
  Protista
14.

A system of membranes that modifies and packages proteins for export by the cell.
- A.
  
  Golgi Apparatus
- B.
  
  Endoplasmic Reticulum
- C.
  
  Lysosome
- D.
  
  Nucleus
15.

A solution with a solute concentration higher than that of a cell.
- A.
  
  Hypertonic
- B.
  
  Hypotonic
- C.
  
  Isotonic
16.

A solution with a solute concentration lower than that of a cell.
- A.
  
  Hypertonic
- B.
  
  Hypotonic
- C.
  
  Isotonic
17.

Level of enlargement of an object. Equal to the power of the objective times the ocular lens.
- A.
  
  Magnification
- B.
  
  Objectification
- C.
  
  Ocularization
- D.
  
  Megafication
18.

An organelle that serves as the site of cellular respiration; uses oxygen to break down organic molecules and synthesize ATP.
- A.
  
  Lysosome
- B.
  
  Mitochondria
- C.
  
  Endoplasmic Reticulum
- D.
  
  Golgi Apparatus
19.

Lens immediately above the object being magnified on a microscope.
- A.
  
  Objective Lens
- B.
  
  Ocular Lens
- C.
  
  Obtuse Lens
- D.
  
  Osmosis Lens
20.

A group of organs that work together in performing vital body functions.
- A.
  
  Organ
- B.
  
  Organ System
- C.
  
  Organelle
21.

Diffusion of water across a selectively permeable membrane.
- A.
  
  Osmosis
- B.
  
  Hydration
- C.
  
  Distillation
- D.
  
  Distribution
22.

Kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose.
- A.
  
  Animalia
- B.
  
  Plantae
- C.
  
  Fungi
- D.
  
  Protista
23.

A unicellular organism that lacks a nucleus and membrane bound organelles.
- A.
  
  Eukaryote
- B.
  
  Plant
- C.
  
  Fungus
- D.
  
  Prokaryote
24.

Algae and Protozoa belong to this kingdom.
- A.
  
  Plantae
- B.
  
  Protista
- C.
  
  Animalia
- D.
  
  Olantae
25.

Cytoplasmic organelles at which proteins are synthesized.
- A.
  
  Ribosome
- B.
  
  Mitochondria
- C.
  
  Lysosome
- D.
  
  Endoplasmic Reticulum