ABCTE Biology Practice Test Questions And
Answers (Guaranteed A+)
Which of the following is a potential effect of ozone deplation? - Answer✔Increased incidence
of skin cancer
Which shows the correct arrangement of metric prefixes in order from smallest to largest? -
Answer✔Pico, milli, dci, deka, mega
Which of the following is used to support the "Big Bang" Theory? - Answer✔The presence of
background radiation
What enzyme catalyzes the fixation of atmospheric CO2 during the Calvin Cycle -
Answer✔RUBISCO
Which of the following is present in a prokaryotic cell? - Answer✔Ribosomes
Which of the following is gene mutation? - Answer✔Point
Which of the following is the method insects use to excrete ammonia? - Answer✔Malpighian
tubules convert ammonia to uric acid
punctuated equilibrium - Answer✔the hypothesis that evolutionary development is marked by
isolated episodes of rapid speciation between long periods of little or no change.
Which of the following represent scientific theory? - Answer✔a theory is an idea that has not yet
been proven wrong
What was Robert Hooke's contribution to modern cell theory? - Answer✔Cells can be seen
through the use of a microscope
Which of the following polysaccharides is a structural component of plants that is not hydrolyzed
by most living organisms? - Answer✔Cellulose
Which scientist used x-ray crystallography to infer the repeating, helical structure of DNA? -
Answer✔Rosalind Franklin
If a cannonball fired from a pirate ship has a mass of 2 kilograms and acceleration of 100 meters
per second squared (m/s2), and the cannon has a mass of 2,000 kilograms, what is the
acceleration of the cannon's recoil? - Answer✔0.1 m/s^2
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Which of the following plant hormones is incorrectly matched with its function? -
Answer✔Cytokinins- initiate senescence
Which of the following measurements is correctly matched to its SI base unit? -
Answer✔Amount of substance- mole
Compared with amphibian kidneys, mammalian kidneys conserve water more effectively
because - Answer✔they produce more concentrated urine solution
What is a genotype? - Answer✔the alleles present in a individual organism
How does a neuron change from a resting potential state to an action potential state? -
Answer✔Protein channels open and NA+ ions are allowed to enter the cell
What is normal human body temperature in degrees Celsius? - Answer✔37.0 degrees Celsius
Which of the following is an intensive property of matter? - Answer✔Density
Which of the following is evidence that supports the endosymbiont hypothesis? - Answer✔both
mitochondria and chloroplasts have unique DNA
Carrying capacity is - Answer✔the population size that can be supported by available resources
for a given habitat
What is the function of ligase during DNA replication? - Answer✔Connect Okazaki fragments
Which method is commonly used to estimate the absolute age of fossils? - Answer✔Radiocarbon
(Carbon-14)
A piece of wood is 2.4 meters long. What is its length in inches? - Answer✔94.5
converted 2.4 to centimeters then divide by 2.54 (there are 2.54 cm in an inch)
Which of the following are formed elements of blood? - Answer✔Erythrocytes, leukocytes, and
platelets
A scientist observes an unknown non-flowering plant that has vascular tissue and bears seeds.
Into what broad group can this plant be placed? - Answer✔Gymnosperms
A stationary truck weighing 3,00 kg is struck from behind by a car with a force of 12,000 N.
What is the acceleration of the truck as it moves away from the car? - Answer✔inversely
proportional to the mass of the truck
Which phyla belong to Deuterostomata? - Answer✔Hemichordata, Echinochordata, and
Chordata
It is 15.6 degrees Celsius outside. What is the temperature on the Kelvin scale? -
Answer✔288.75
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