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Exploring and Classifying Life
Evolution and Biodiversity
Cells
Organ Systems
Heredity
100
What is t he correct order of the scientific method? a) Ask a question, Draw conclusions, Experiment, Make an observation, Form a hypothesis b) Form a hypothesis, Experiment, Make an observation, Ask a question, Draw conclusions c) Experiment, Form a hypothesis, Draw conclusions, Ask a question, Make an observation d) Make an observation, Ask a question, Form a hypothesis, Experiment, Draw conclusions
d) Make an observation, Ask a question, Form a hypothesis, Experiment, Draw conclusions
100
A tiger's stripes hide it in tall grass. This is an example of A) behavior. B) mimicry. C) camouflage. D) size as a defense.
C) camouflage
100
What are the basic structural units of living organisms? a) cells b) nuclei c) organs d) tissues
a) cells
100
Which of the following is an example of an involuntary muscle? A) muscles that move food through the digestive system B) muscles in the face that allow you to smile C) muscles in your arms and hands D) muscles in your legs and feet
A) muscles that move food through the digestive system
100
Genes carry information that determines A) alleles B) ribosomes C) chromosomes D) traits
D) traits
200
Something in an experiment that can change is called a A) control. B) variable. C) hypothesis. D) prediction.
B) variable
200
Which of these animals is a crustacean? A) ant B) pill bug C) sea star D) snail
D) snail
200
What structure would you find in a plant cell that you would not find in an animal cell? A) Golgi body B) nucleus C) mitochondrion D) chloroplast
c) chloroplast
200
Where does digestion start? A) in the mouth B) in the esophagus C) in the small intestine D) in the stomach
A) in the mouth
200
The passing of traits from parents to offspring is called A) probability B) heredity C) recessive D) meiosis
B) heredity
300
Which of the following units is a scientist likely to use to measure the distance between two cities? A) kilometer B) centimeter C) meter D) millimeter
A) kilometer
300
Pheromones are used by some animals in A) action communication. B) light communication. C) sound communication. D) chemical communication.
D) chemical communication
300
Which cellular organelle uses oxygen and glucose to provide energy to the cell? a) mitochondrion b) nucleus c) cell wall d) vacuole
a) mitochondrion
300
Blood vessels that move blood away from the heart are called A) capillaries. B) arteries. C) valves. D) veins.
B) arteries
300
Which of the following statements about DNA is NOT true? A) DNA is found in all organisms B) DNA is made up of 5 subunits (parts) C) DNA has a structure like a twisted ladder. D) Mistakes can be made when DNA is copied
B) DNA is made up of 5 subunits (parts)
400
Which food is made using bacteria? A) cheese B) eggs C) fruit juice D) milk
A) cheese
400
Which of the following is an example of a freshwater ecosystem? A) wetland B) estuary C) coral reef D) deep ocean
A) wetland
400
What is the result of mitosis? A) two nuclei B) two identical cells C) chloroplasts D) two different cells
B) two identical cells
400
Which of the following is NOT a structure of the respiratory system? A) lungs B) liver C) trachea D) bronchial tubes
B) liver
400
Which of the following BEST describes the number of chromosomes in a normal human liver cell? A) 23 pairs of chromosomes B) 46 different types of chromosomes C) 46 male and 46 female chromosomes D) 23 original chromosomes and 23 duplicate chromosomes
A) 23 pairs of chromosomes
500
In which cell structure does photosynthesis take place? A) cell wall B) mitochondrion C) vacuole D) chloroplast
D) chloroplast
500
All the organisms of the same species living in an area at the same time make up a A) community. B) population. C) ecosystem. D) habitat.
B) population
500
The movement of particles from a crowded area to a less-crowded area is called A) energy B) photosynthesis C) diffusion D) transition
C) diffusion
500
Which of the following glands is attached to the brain? A) adrenal gland B) pancreas C) pituitary gland D) thyroid
C) pituitary gland
500
Changes in the number, type or order of the pieces of DNA are known as A) messies B) translations C) transcriptions D) mutations
D) mutations