BIOL 164, Winter 2013

Quiz 1

Multiple Choice (1 point each) – Select the best answer and mark the corresponding letter on your Scantron.

1) Two or more tissues working together to perform a function would be which of the following?

A) Tissue B) Organ C) Cells D) Molecule

2) Which of the following is NOT an organic compound?

A) Carbohydrate B)Nucleic acid C) Protein D) Water E) Lipid

3) A testable, possible explanation that is based on an observation about nature is referred to as which of the following?

A) Deductive reasoning B) Hypothesis C) Inductive reasoning D) Experimental group

4) Living organisms are different from inanimate objects because they:

A) Respond to environmental stimuli B) Evolve C) Maintain homeostasis D) Contain DNA E) All of these

5) In a controlled experiment, the control group:

A) Is not usually necessary B) Is exposed to the experimental treatment

C) Is to be ignored completely when the time comes to analyze the data

D) Is treated exactly the same as the experimental group, except for the one variable being tested

6) In science, data that support the hypothesis prove without a doubt that the hypothesis is correct.

A) True B)False

7) A substance consisting of a weak acid and base that functions to maintain a specific pH of a solution within a cell or a biological system would be which of the following?

A) Catalyst B) Buffer C) Phospholipid D) Element

8) Any substance that when dissolved in water will release H+ ions is referred to as a(n):

A) Monomer B) Steroid C) Acid D) Base

9) Starch, which consists of a long chain of glucose monomers linked by covalent bonds and which serves as an energy source for plants and animals, would be which of the following?

A) Monosaccharide B) Disaccharide C) Polysaccharide D) Sucrose

10) A strong chemical bond between atoms where electrons are shared in order to form a stable molecule would be which of the following types of bond?

A) Covalent B) Ionic C) Hydrogen

11) A chemical reaction involving the removal of a water molecule from two organic molecules, forming a covalent bond that joins these molecules, is called:

A) Hydrolysis B) Dehydration synthesis C) Decomposition D) Catabolic

12) If I tested a fluid and found that it was basic or alkaline, which of the pH values listed would best describe this solution?

A) 1.2 B) 6.4 C) 3.2 D) 10.6

13) Water-soluble organic compounds that primarily serve as energy molecules in living organisms are called ______.

A) Carbohydrates B) Lipids C) Proteins D) Nucleic acids

14) The compound magnesium chloride (MgCl2) turns into Mg2+ and Cl- when placed in water. You can guess the magnesium and chloride are held together normally by a(n) ______bond.

A) Covalent B) Ionic C) Hydrogen

15) When conducting an experiment the variable that you, the investigator, changes is the ______?

A) Control B) Dependent variable C) Independent variable