Cells and organelles
Which cell structure is found in plant cells, but not in animal cells?
(1) cytoplasm
(2) nucleus
(3) cell membrane
(4) cell wall
(4) Cell Wall
Which layer of the Earth is the thinnest?
(1) mantle
(2) crust
(3) inner core
(4) outer core
(2) crust
Which is not a chemical change?
(1) the formation of rust
(2) a vinegar-baking soda reaction
(3) the condensation of water
(4) the browning of an apple
(3) the condensation of water
Which object in our solar system is a star?
(1) Jupiter
(2) Sun
(3) Mercury
(4) Comet
(2) Sun
What kinds of animals eat both meat and plant material?
(1) producers (3) carnivores
(2) omnivore (4) herbivores
(2) omnivore
Which sequence represents the levels of organization in a human body from simple to most complex?
(1) cell → organ → tissue → organ system
(2) organ system → cell → tissue → organ
(3) cell → tissue → organ → organ system
(4) tissue → organ → organ system → cell
(3) cell → tissue → organ → organ system
Weathering is best defined as:
(1) effects of shadows and light
(2) long term climate changes
(3) hot magma seeping from the Earth
(4) breakdown of rocks into minerals
(4) breakdown of rocks into minerals
Which process results in the formation of water on the outside of a cold glass of tea on a warm day?
(1) boiling (3) freezing
(2) condensation (4) evaporation
(2) condensation
Starting from the smallest, what is the correct order of the objects in size?
(1) sun, moon, asteroid, Earth, galaxy, solar system
(2) asteroid, moon, Earth, sun, solar system, galaxy
(3) asteroid, moon, Earth, sun, galaxy, solar system
(4) moon, asteroid, Earth, sun, solar system, galaxy
(2) asteroid, moon, Earth, sun, solar system, galaxy
All animals on Earth
(1) are dependent on the sun for their energy
(2) are dependent on plants for their energy
(3) both (1) and (2)
(4) neither (1) and (2)
(3) both (1) and (2)
What is the function of DNA?
(1) making nutrients through respiration
(2) storing energy for the cell
(3) carrying genetic information
(4) transporting proteins
(3) carrying genetic information
The majority of earthquakes that occur on Earth are caused by
(1) electromagnetic and solar radiation
(2) the weathering of rock in the Earth’s crust
(3) warming and cooling of the Earth’s surface
(4) the movement of plates along faults
(4) the movement of plates along faults
Which is the smallest?
(1) molecule (3) polymers
(2) compound (4) atom
(4) atom
One day on Earth is equal to the time it takes
(1) the Earth to revolve once
(2) the moon to rotate once
(3) the Earth to rotate once
(4) the sun to rotate once
(3) the Earth to rotate once
Wolves kill many deer each year. Which term best describes the role of the wolves in the wolf-deer relationship?
(1) hosts (3) competitors
(2) parasites (4) predators
(4) predators
Which process causes a variety of traits within a species?
(1) photosynthesis
(2) symmetry expression
(3) sexual reproduction
(4) homeostasis
(3) sexual reproduction
What is the hottest and densest layer of the Earth?
(1) inner core
(2) mantle
(3) outer core
(4) crust
(1) inner core
Which physical property of a mineral can be described as a resistance to being scratched?
(1) boiling point (3) hardness
(2) luster (4) density
(3) hardness
What phase of the moon cannot be seen from Earth?
(1) full (3) waxing crescent
(2) new (4) waning gibbous
(2) new
As human populations increase,
(1) natural habitats remain unharmed
(2) the Earth’s biosphere is altered
(3) the consumption of natural resources decreases
(4) the likelyhood of earthquakes increases
(3) the consumption of natural resources decreases
Which sequence lists the hereditary material from the smallest unit to the largest unit?
(1) chromosome → gene → nucleus
(2) gene → chromosome → nucleus
(3) chromosome → nucleus → gene
(4) nucleus → chromosome → gene
(2) gene → chromosome → nucleus
The Earth’s tectonic plates
(1) were once connected as a single piece
(2) over time have remained motionless
(3) are areas where magma reaches the surface of the Earth
(4) affect the climate of the Earth
(1) were once connected as a single piece
Water (H2O) is not found on the Periodic Table of the Elements because water is a
(1) mixture (3) atom
(2) ion (4) molecule
(4) molecule
If a student observes a full moon on Nov 15, the next full moon would appear around
(1) Nov 30
(2) Dec 15
(3) Dec 30
(4) Jan 1
(2) Dec 15
What is most likely to occur if a disease suddenly kills many wolves?
(1) the reproduction rate of the wolves will increase
(2) the population of their prey will increase
(3) the remaining wolves will migrate to a new area
(4) the total number of organisms in the ecosystem will remain the same
(2) the population of their prey will increase