3rd Nine Weeks Review Question Preview (ID: 17922)
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Which of the following are found in all organic compound?
a) nitrogen
b) oxygen
c) carbon
d) amino acids
Which organelle serves as part of the cell's packaging system?
a) mitochondria
b) chloroplasts
c) rough endoplasmic reticulum
d) Golgi apparatus
Which of the following are found in eukaryotes but NOT in prokaryotes?
a) mitochondria
b) DNA
c) cell membrane
d) cell wall
Which of the following would NOT reproduce through mitosis?
a) sex cells
b) hair cells
c) intestinal cells
d) skin cells
Which of the following movements would require active transport?
a) moving a substance down a concentration gradient
b) moving a substance up a concentration gradient
c) moving a substance from an area of higher concentration to an area of lower concentration
d) moving a substance by osmosis
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
What happens to the light absorbed by a plant during photosynthesis?
a) It is converted to kinetic energy.
b) It powers a reaction that produces oxygen and carbon dioxide.
c) It is converted to chemical energy, which the plant stores.
d) It powers a reaction that produces carbon dioxide and water.
Which of the following happens in Meiosis I but not Meiosis II?
a) Offspring cells are formed following telophase.
b) Spindle fibers attach to genetic material during metaphase.
c) Chromosomes line up along the equator during metaphase.
d) Homologous chromosomes separate.
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) wear safety goggles
c) carry sample containers with lids that can be securely sealed
d) carry insect repellent to ward off leehes.
In which biome would you find most nocturnal animals?
a) desert
b) savanna
c) taiga
d) tundra
What makes a hypothesis testable?
a) if it is based on accurate observations
b) if an experiment can be designed to test it
c) if it contains an opinion that other scientists share
d) if it is based on a theory accepted by many scientists
What is the name of a cell vesicle that contains enzymes that destroy damaged cell organelles?
a) lysosome
b) endoplasmic reticulum
c) Golgi apparatus
d) mitochondria
Which of the following is a characteristic of active transport?
a) It moves substances with a concentration gradient.
b) It involves facilitated diffusion.
c) It requires energy from the cell.
d) It relies on vesicles that often function as pumps.
Which process is observed when a student noticed a cell swells when placed in a salt water solution?
a) active transport
b) osmosis
c) endocytosis
d) exocytosis
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
In which biogeochemical cycle do the synthetic bacteria in the roots of many plants play an important role?
a) carbon cycle
b) nitrogen cycle
c) water cycle
d) phosphorous cycle
Scientists confirm that a new experimental result is reliable by
a) checking the background of the researcher who reported the result.
b) reproducing the result in other labs.
c) checking the calculations to be sure they are correct.
d) reading journals to see if anyone else agrees with the results.
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.
In a controlled experiment,
a) a control group is compared with one or more experimental groups.
b) there are at least two variables.
c) a variable is not needed.
d) all factors should be different.
How is ATP MOST OFTEN involved with the production of energy in the cell?
a) Energy is produced when a fourth phosphate group binds to the molecule.
b) Energy is produced when the sugar ribose is metabolized in the Krebs cycle.
c) Energy is released when the third phosphate group breaks off.
d) Energy is released when the adenine base is used to form part of the RNA molecule.
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