Biology B - Unit 2 Test
52 Questions
| Total Attempts: 41
Questions and Answers
- 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
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