Download Periodic Assessment Study Guide

Name:
Periodic Assessment Study Guide:
_____ 1. When we eat, we take in energy that
came originally from:
a. sunlight
c. oxygen
b. water
d. bacteria
_____ 2. In what types of living things must
groups of cells work together?
a. viruses
c. multicellular life
b. bacteria d. unicellular life
c.
_____ 3. Cells make up all living things. They
can be seen only if they are:
a. moving
c. dyed
b. flat
d. magnified
_____ 4. If you repeat an experiment and the
results are very different from the
results you got the first time, the next
step would be to:
a. repeat the experiment again
b. trust the 2nd result
c. try a different experiment
d. decide which results are better
Period:
Due: March 11, 2008
_____ 9. The maintenance of constant internal
conditions in an organism is known as:
a. homeostasis
b. negative feedback
c. structure specialization
d. adaptation
_____ 10. Which word best describes a scientific
hypothesis?
a. provable
c. testable
b. theoretical
d. quantifiable
_____ 11. In an experiment, the condition that is
manipulated by a scientist is the:
a. independent variable
b. dependent variable
c. constant
d. control condition
_____ 12. Which phrase best describes a gene?
a. basic unit of life
b. segment of DNA
c. slice of a specimen
d. inherited trait
_____ 13. Scientists use observations and data to
_____ 5. The term biodiversity refers to the parts
form and test:
of the Earth that contain:
a. constants
c. theories
a. freshwater
c. living things
b. hypotheses
d. conclusions
b. land masses
d. viruses
_____ 14. What is the name given for genetic
_____ 6. An individual living thing is called a(n)
changes in living things over time?
a. species
c. cell
a. homeostasis
c. adaptation
b. Atom
d. organism
b. evolution d. negative feedback
_____ 7. Which of these characteristics is shared _____ 15. On Earth, biodiversity generally
by all living things?
increases from the:
a. they are made up of cells
a. poles to the equator
b. they make their own energy
b. equator to the rainforest
c. they respond to light
c. east to the west
d. they reproduce by diving cells
d. north to the south
_____ 8. The basic unit of life is:
a. the cell
c. an atom
b. DNA
d. a species
_____ 16. Through photosynthesis, plants convert
energy from sunlight into:
a. thermal energy c. light energy
b. chemical energy d. solar energy
Name:
_____ 17. Microscopes led to the discovery that
all organisms are:
a. made of cells
b. identical biochemically
c. multicellular
d. different species
Period:
_____ 25. A solution with a high concentration of
H+ ions:
a. shows a pH of 7
b. kills all organisms
c. hash a high pH
d. is very acidic
_____ 18. All of the chemical processes that build _____ 26.
up and break down materials in
organisms are called:
a. respiration
c. metabolism
b. photosynthesis
d. homeostasis
_____ 27.
_____ 19. The substance that covers the majority
of Earth’s surface and also makes up
the largest percentage of your cells is:
a. carbon
c. hydrogen
b. water
d. nitrogen
_____ 28.
_____ 20. When a rabbit runs away from a fox,
its muscles needs:
a. homeostasis
c. carbon
b. heat
d. energy
_____ 21. Which phase best describes atoms?
a. single-celled organisms
b. smallest basic unit of matter
c. parts of a nucleus
d. positively charged particles
_____ 22. Atoms connected by covalent bonds
share:
a. pairs of electrons
b. ionic componds
c. carbon and oxygen
d. hydrogen ions
Due: March 11, 2008
Fats, oils, and cholesterol are all types
of:
a. cell membranes c. lipids
b. hormones
d. fatty acids
Proteins are composed of which
molecules?
a. nucleic acids
c. fatty acids
b. monosaccharides d. amino acids
DNA and RNA are two types of:
a. nucleic acids
c. proteins
b. carbohydrates
d. lipids
_____ 29. What is unique about carbon?
a. bonding properties
b. ability to bond with oxygen
c. properties as a reactant
d. properties as an enzyme
_____ 30. What aspect of a chemical reaction is
affected by enzymes?
a. direction
c. rate
b. dquilibrium
d. pH
_____ 31. The specialized structures of different
types of cells are related to the cell’s:
a. equilibrium
c. energy
b. homeostasis
d. function
_____ 23. Hydrogen bonds can form between
_____ 32. What is released when a chemical bond
regions of polar molecules that are:
forms?
a. nonpolar c. negatively charged
a. products
c. energy
b. neutral
d. oppositely charged
b. reactants
d. oxygen
_____ 24. The attraction among molecules of
different substances is called:
a. cohesion c. specific heat
b. adhesion d. surface tension
_____ 33. Specialized structures that work
together inside a cell are called:
a. prokaryotes
c. organelles
b. eukaryotes
d. nuclei
Name:
Period:
Due: March 11, 2008
_____ 34. Which invention played the biggest
_____ 41. What is the term for the diffusion of
role in the discovery of cells by early
water across a semipermeable
scientists?
membrane?
a. Magnifying glass c. eyeglasses
a. equilibrium
c. osmosis
b. Compound microscope d. lens
b. transport
d. isotonic
_____ 35. What is the term for the jellylike
substance that is contained inside the
cell membrane:
a. cytoplasm
c. DNA
b. organelle
d. nucleus
_____ 42. Unlike passive transport, active
transport requires:
a. concentration gradients
b. energy from the cell
c. diffusion
d. vesicles
_____ 36. Unlike a eukaryotic cell, a prokaryotic
cell does not have:
a. cell membrane
c. DNA
b. cytoplasm
d. a nucleus
_____ 43. Which process uses proteins to move
molecules against a concentration
gradient?
a. active transport
b. passive transport
_____ 37. Which of the following is a network of
c. endocytosis
proteins that supports and gives shape
d. phagocytosis
to a cell?
a. vesicles
c. vacuole
_____ 44. A membrane sac used to transport
b. cytoskeleton
d. cytoplasm
substances in and out of cells is a:
a. macrophage
c. pump
_____ 38. Which is the main function of the
b. lysosome
d. vesicle
Golgi apparatus?
a. communicate with other cells
_____ 45. Which organelle supplies energy to the
b. convert solar energy to chemical
cell?
c. process and deliver proteins
a. ribosomes
c. vacuole
d. copy genetic material
b. mitochondria
d. centrosomes
_____ 39. What are the main differences between _____ 46. A solution that is hypotonic to a cell
plant and animal cells?
has:
a. animal cells are eukaryotic cells,
a. more solutes than the cell
plants are not
b. fewer solutes than the cell
b. plant cells are eukaryotic cells,
c. the same concentration of solutes
animal cells are not
as the cell
c. animal cells have cell walls and
d. too many solutes
chloroplasts, plants do not
d. plant cells have cell walls and
_____ 47. What type of carbon based molecule is
chloroplasts, animal cells do not
the first to be broken down by your
cells to provide a source of energy?
_____ 40. Which phrase best describes passive
a. carbohydrate
c. fat
transport?
b. protein
d. amino acid
a. requires transport proteins
b. requires no energy from the cell _____ 48. Active transport requires energy:
c. requires facilitation by enzymes
a. true
b. false
Name:
Period:
Due: March 11, 2008
_____ 49. Which organelle converts molecules
_____ 57. Which phrase about fermentation is
from food you eat into usable energy?
correct?
a. Golgi apparatus c. lysosome
a. takes place without oxygen
b. mitochondria
d. chloroplast
b. uses electron transport chain
c. only occurs in bacteria
_____ 50. Which phrase best describes the
d. is an aerobic process
function of the ATP molecule?
a. absorbs energy c. stores energy _____ 58. Which molecule carries chemical
b. converts energy d. carries energy
energy that cells use for their
functions?
_____ 51. What is the term for an organism that
a. ADP
c. NAD+
makes its own source of chemical
b. ATP
d. NADP+
energy?
a. decomposer
c. protest
_____ 59. In which process is lactic acid formed
b. chloroplast
d. producer
when there is not enough oxygen
present for cellular respiration occur?
_____ 52. The main light absorbing molecule
a. photosynthesis
c. glycolysis
found in plant leaves are called:
b. fermentation
d. Krebs cycle
a. chloroplasts
c. grana
b. chlorophyll
d. thylakoids _____ 60. In which stage of the cell cycle does
the nucleus and contents divide?
_____ 53. The function of light dependent
a. gap 1
c. gap 2
reactions is to:
b. synthesis
d. mitosis
a. build sugars
b. capture and transfer energy
_____ 61. Which of the following phrases best
c. release carbon dioxide
describes cytokinesis?
d. form water molecules
a. division of the cytoplasm
b. division of the nucleus
_____ 54. The light indepenedent reactions of
c. division of DNA
photosynthesis need:
d. division of surface area
a. carbon dioxide
c. oxygen
b. cellulose
d. water
_____ 62. Mitosis produces two identical:
a. daughter cells
c. strands
_____ 55. Which of the following types of
b. chromosomes
d. chromatids
organisms uses cellular respiration for
their cellular energy needs?
_____ 63. The Gap 1, synthesis, Gap 2 stages of
a. eukaryotes
c. plants only
the cell cycle make up:
b. prokaryotes
d.animals only
a. interphase
c. cytokinesis
b. telophase
d. mitosis
_____ 56. The part of cellular respiration in
which glucose is broken down is
_____ 64. During mitosis, two chromatids
called:
together form:
a. photosynthesis
a. a single daughter cell
b. aerobic respiration
b. several spindle fibers
c. electron transport
c. a duplicated chromosome
d. glycolysis
d. two indentical centromeres