Freshman Biology Quiz

Are you smarter than a 9th grader? Answer these questions.

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Last updated: February 14, 2014

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First submitted	February 14, 2014
Times taken	466
Average score	26.7%
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Hint	Answer
What are Mendel's 3 laws?	Law of Dominance
	Law of Segregation
	Law of Independent Assortment
What is an organized way of gathering and analyzing evidence about the natural world?	Science
What is the act of noticing and describing events of processes in a careful, orderly way?	Observation
What is a scientific explanation for a set of observations that can be tested in ways that support or reject it?	Hypothesis
What is the variable that is deliberately changed?	Independent Variable
What is the variable that is observed and that changes in response to the independent variable?	Dependent Variable
What is a factor that controls the growth of a population?	Limiting Factor
What two men came up with the DNA double-helix model in 1953?	Watson and Crick
What is the highest navigable lake in the world?	Lake Titicaca
How many cones are in the human eye?	7 million
How many gallons of water can you fit in a whale stomach?	200
Which man has had Amyotrophic Lateral Sclerosis (ALS) for 50 years?	Stephen Hawking
How many countries are there in the world?	196

Hint	Answer
What are the 4 major macromolecules?	Carbohydrates
	Proteins
	Nucleic Acids
	Lipids
What process adds water to a Peptide Bond to form 2 amino acids?	Hydrolysis
What changes the rate of a chemical reaction?	Enzyme
What is the accumulation of pollutants in organisms as you move up the food chain?	Biomagnification
What are the 3 types of symbiosis?	Mutualism
	Commensalism
	Parasitism
What are the chemical substances that an organism needs to sustain life?	Nutrients
What is the process in which molecules that cannot directly diffuse across the membrane pass through special protein channels?	Facilitated Diffusion
What enzyme is required for transcription that bands to DNA and separates its strands?	RNA polymerase
What 2 lakes border Wisconsin?	Lake Michigan
	Lake Superior