Bio 1 Mid-term Exam Rebate
- 1.The difference in the concentration of dissolved particles from one location to another is called a ___.
- A.
Concentration gradient
- B.
Concentrated solution
- C.
Saline solution
- D.
Dynamic gradient
- 2.During an experiment, which factors are observed and measured?
- A.
Dependent variables
- B.
Independent variables
- C.
Constants
- D.
Hypotheses
- 3.If an organic molecule model contains carbon atoms arranged in a long chain, it is probably a model of ___.
- A.
Starch
- B.
A lipid
- C.
Polar molecules
- D.
Protein
- 4.Many factors should remain unchanged during an experiment. These factors are referred to as ___.
- A.
Levels
- B.
Hypotheses
- C.
Controlled variables
- D.
Independent variables
- 5.Fats, oils, and cholesterol are all types of ___.
- A.
Hormones.
- B.
Lipids.
- C.
Cell membranes.
- D.
Fatty acids.
- 6.The activation energy needed for a chemical reaction is decreased by a ___.
- A.
Catalyst
- B.
Reactant
- C.
Substrate
- D.
Product
- 7.Which aspect of a chemical reaction is affected by enzymes?
- A.
Direction
- B.
Rate
- C.
Equilibrium
- D.
PH
- 8.What pH would be considered a strong base?
- A.
2
- B.
6
- C.
8
- D.
12
- 9.Which of the following molecules found in the food we eat is most commonly broken down to make ATP (providing us with the most readily available energy)?
- A.
Carbohydrates
- B.
Lipids
- C.
Proteins
- D.
Vitamins
- 10.Which organelles contain enzymes that break down old cell parts?
- A.
Chloroplasts
- B.
Centrosomes
- C.
Lysosomes
- D.
Vacuoles
- 11.Which organelles are found only in plant cells?
- A.
Chloroplasts
- B.
Centrosomes
- C.
Ribosomes
- D.
Vacuoles
- 12.A solution that is hypotonic to a cell has ___.
- A.
More solutes than the cell
- B.
Fewer solutes than the cell
- C.
The same concentration of solutes as the cell
- D.
Too many solutes
- 13.What is the main function of the Golgi apparatus?
- A.
Communicate with other cells
- B.
Convert solar energy to chemical energy
- C.
Process and deliver proteins
- D.
Copy genetic material
- 14.Which word best describes the structure of the cell membrane?
- A.
Layered
- B.
Rigid
- C.
Nonpolar
- D.
Impermeable
- 15.Which process requires no energy from the cell?
- A.
Endocytosis
- B.
Exocytosis
- C.
Active transport
- D.
Facilitated diffusion
- 16.Which of the following statements about succession is correct?
- A.
Secondary succession occurs where no soil exists.
- B.
Primary succession occurs in areas where soil remains after a disturbance.
- C.
Secondary succession can occur where a disturbance has left soil intact.
- D.
Secondary succession begins with pioneer species, primary succession does not.
- 17.While on the nature trail, a student turns over a rotted log. Fungi, termites, pill bugs, ants, slugs, and earthworms are observed living in and around the log. Altogether, these organisms represent a ___.
- A.
Community
- B.
Biome
- C.
Species
- D.
Population
- 18.A doctor prescribed leach therapy (purposefully allowing leaches to remove blood) for a person suffering from a blood disorder, resulting in the person being helped. This would then be an example of
- A.
Predation
- B.
Parasitism
- C.
Mutualism
- D.
Commensalism
- 19.
![Which type of transport is shown in the diagram?
- ProProfs]( "Which type of transport is shown in the diagram?")
Which type of transport is shown in the diagram?- A.
Passive transport
- B.
Active transport
- C.
Osmosis
- D.
Endocytosis
- 20.Which of the following is a major principle upon which cell theory is based?
- A.
All cells form by free-cell formation.
- B.
All cells have DNA.
- C.
All organisms are made of cells.
- D.
All cells are eukaryotic.
Questions: 11 | Attempts: 60 | Last updated: Jan 9, 2013
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