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3rd Nine Weeks Review
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a testable hypothesis?
A
Nonliving things do not grow and develop.
B
Lipids do not mix with water.
C
Plant cells contain DNA.
D
Dogs are better than cats.
2) In a controlled experiment,
A
there are at least two variables.
B
a variable is not needed.
C
a control group is compared with one or more experimental groups.
D
all factors should be different.
3) How is ATP MOST OFTEN involved with the production of energy in the cell?
A
Energy is produced when the sugar ribose is metabolized in the Krebs cycle.
B
Energy is released when the third phosphate group breaks off.
C
Energy is produced when a fourth phosphate group binds to the molecule.
D
Energy is released when the adenine base is used to form part of the RNA molecule.
4) Which process is observed when a student noticed a cell swells when placed in a salt water solution?
A
exocytosis
B
endocytosis
C
active transport
D
osmosis
5) What two structures are found in a plant cell that are NOT found in an animal cell?
A
chloroplast and cell wall
B
central vacuole and nucleus
C
nucleus and chloroplast
D
Golgi apparatus and endoplasmic reticulum
6) In which biogeochemical cycle do the synthetic bacteria in the roots of many plants play an important role?
A
water cycle
B
phosphorous cycle
C
carbon cycle
D
nitrogen cycle
7) Scientists confirm that a new experimental result is reliable by
A
checking the calculations to be sure they are correct.
B
reproducing the result in other labs.
C
reading journals to see if anyone else agrees with the results.
D
checking the background of the researcher who reported the result.
8) What makes a hypothesis testable?
A
if it contains an opinion that other scientists share
B
if it is based on accurate observations
C
if it is based on a theory accepted by many scientists
D
if an experiment can be designed to test it
9) What is the name of a cell vesicle that contains enzymes that destroy damaged cell organelles?
A
mitochondria
B
Golgi apparatus
C
endoplasmic reticulum
D
lysosome
10) Which of the following is a characteristic of active transport?
A
It involves facilitated diffusion.
B
It moves substances with a concentration gradient.
C
It relies on vesicles that often function as pumps.
D
It requires energy from the cell.
11) Purple flowers (P) are dominant to white (p). A homozygous purple flower is crossed with a homozygous white flower. What are the possible genotypes of the offspring?
A
Pp only
B
PP only
C
pp only
D
PP, Pp and pp
12) What happens to the light absorbed by a plant during photosynthesis?
A
It powers a reaction that produces oxygen and carbon dioxide.
B
It powers a reaction that produces carbon dioxide and water.
C
It is converted to kinetic energy.
D
It is converted to chemical energy, which the plant stores.
13) Which of the following happens in Meiosis I but not Meiosis II?
A
Spindle fibers attach to genetic material during metaphase.
B
Chromosomes line up along the equator during metaphase.
C
Offspring cells are formed following telophase.
D
Homologous chromosomes separate.
14) A biologist went into a marshy area to collect water samples that could be tested for possible toxic chemicals. The marsh was known to contain leeches. What kind of safety precautions should the biologist take?
A
wear waterproof gloves and sturdy waterproof boots
B
carry sample containers with lids that can be securely sealed
C
wear safety goggles
D
carry insect repellent to ward off leehes.
15) In which biome would you find most nocturnal animals?
A
savanna
B
taiga
C
tundra
D
desert
16) Which organelle serves as part of the cell's packaging system?
A
Golgi apparatus
B
chloroplasts
C
rough endoplasmic reticulum
D
mitochondria
17) Which of the following are found in eukaryotes but NOT in prokaryotes?
A
mitochondria
B
cell membrane
C
DNA
D
cell wall
18) Which of the following would NOT reproduce through mitosis?
A
hair cells
B
intestinal cells
C
sex cells
D
skin cells
19) Which of the following movements would require active transport?
A
moving a substance up a concentration gradient
B
moving a substance down a concentration gradient
C
moving a substance by osmosis
D
moving a substance from an area of higher concentration to an area of lower concentration
20) Which of the following are found in all organic compound?
A
oxygen
B
amino acids
C
carbon
D
nitrogen
*select an answer for all questions
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