WorksheetsBiology Exam 1
Total questions: 40
Worksheet time: 1hrs 20mins
A tentative scientific explanation that can be further tested is called a what?
Inference
Hypothesis
Scientific theory
Science
What is an independent variable?
The same conditions as the experiment
The responding variable
The manipulated or changed variable
The element that is tentative
Which of the following does NOT describe a scientific theory?
Test, highly reliable
Well-supported hypotheses
Makes accurate predictions
Explains events in the unnatural world
Which of the following is an example of quantitative data?
The grass grew taller after adding nitrogen
The grass grew by 2.8 centimeters in 5 days
The grass is more green after adding nitrogen
After 5 days, the grass did not die
Which of the following is not a process of science?
Community Analysis & Feedback
Inferences & Hypotheses
Exploration & Discovery
Benefits & Outcomes
Why do scientists need accurate instructions?
To get good feedback from peers
To make no mistakes
To get accurate results
To easily replicate an experiment
Which of the following is NOT a subatomic particle of an atom?
Electrons
Neutrons
Elements
Protons
What charge does a neutron have?
Positive
Negative
Both positive and negative
None
What is the atomic number equal to?
The number of protons
The number of electrons
The number of neutrons
The atomic mass
When atoms share electrons, what type of bond is formed?
Ionic Bond
Hydrogen Bond
Covalent Bond
Peptide Bond
Why are lizards able to climb walls without falling from gravity?
The wall and the lizard have cohesion
Van Der Waals Forces
The wall and lizard have adhesion
They can defy gravity
What type of bond does a water molecule form when it bonds with another water molecule?
Hydrogen Bond
Covalent Bond
Ionic Bond
Peptide Bond
What type of bond is a hydrogen bond most similar to?
Covalent Bond
Peptide Bond
Hydrogen Bond
Ionic Bond
Why is a hydrogen bond a weaker bond than ionic and covalent bonds?
It does not share electrons
Hydrogen is a weaker molecule
It has a partial charge
Oxygen is a stronger molecule
When there is attraction between molecules of different substances it is called what?
Cohesion
Surface tension
Adhesion
Polar
What is the pH number of a neutral substance?
1
14
5
7
When the sun shines on the ocean, the water stays at a fairly cool temperature. What term describes why the ocean water takes so long to heat up?
pH
Heat capacity
Solute
Boiling point
What helps maintain homeostasis in organisms?
Buffers
Acids
Bases
Temperature
What type of carbon structure is in the following picture?
Chain
Branching chain
Circle
Ring
What is it called when small molecules chemically form a chain?
Polymers
Polymerization
Monomerization
Monomers
Which of the following is NOT an example of lipids?
Bread
Olive Oil
Fats
Waxes
Which monomer does NOT make up nucleic acids?
5-carbon sugar
Nitrogenous base
Amino acid
Phosphate group
What type of fatty acid is a liquid at room temperature?
Unsaturated
Solid
Saturated
Liquid
What substance can capture and transfer chemical energy?
Nucleic acids
Monomers
Polypeptides
Nucleotides
What two molecules make up amino acid?
Amino & Acid
Amino & Carboxyl
Proteins & Peptides
Carboxyl & Acid
What type of bond is formed when a water molecule is removed?
Hydrogen bond
Ionic bond
Peptide bond
Covalent bond
Which type of chemical reaction occurs spontaneously?
Energy-absorbing
Activation Energy
Energy-releasing
Chemical reaction
Why is the enzyme-substrate complex cycle shaped in a circular form?
It occurs over and over again
It only happens once
Enzymes have a circular shape
Substrates have a circular shape
Enzymes act as a __________.
Reactant
Product
Catalyst
Substrate
What type of reaction changes one set of chemicals into another?
Hydrogen reaction
Chemical bond
Energy-absorbing reaction
Chemical reaction
Which two molecules make up lipids?
Glycerol molecule & Hydrogen molecule
Hydrogen molecule & Oxygen molecule
Fatty acids & Glycerol molecule
Carbon molecule & Hydrogen molecule
How many covalent bonds can Carbon form?
1
2
3
4
What pH would a buffered base + an acid make?
Acidic pH
Basic pH
Neutral pH
Buffered pH
What term describes how light weight insects are able to "walk on water", such as a water spider?
Cohesion
Adhesion
Surface tension
Meniscus
Why is scientific measurement important in science?
It is not important
To get accurate and reliable information
To help prove science is a good subject
For peer review
Which of the following is NOT a Crosscutting Concept in Biology?
Patterns
Systems and System Models
Growth and Development
Stability and Change
Which term refers to a state of stability?
Balance
Homeostasis
Internal factors
Stability and Change
Which of the following is NOT a characteristic of living things?
They are made up of cells
They reproduce
They maintain an external balance
They grow and develop
How many meters are in 1 kilometer?
1 kilometer = _______ meters
10
1000
100
.0001
Which of the following is not a similarity between science and engineering practices?
Peer review and repetition
Asking questions and defining practices
Developing and using models
Analyzing and interpreting data
