PICAT 1 Study Exam Questions & Answers.
SECTION 1: GENERAL SCIENCE - CORRECT ANSWER
The specialized bird feet shown in the illustration are a result of natural selection and are examples of:
a. Adaptions
b. Genetic drift
c. Domestic breeding
d. Two random mutations - CORRECT ANSWER a. ...
The specialized bird feet shown in the illustration are a result of natural selection and are examples of:
a. Adaptions
b. Genetic drift
c. Domestic breeding
d. Two random mutations - CORRECT ANSWER a. Adaptions
Which measurement can be used to determine if earplugs are needed when working in a factory?
a. Watts
b. Amps
c. Decibels
d. Delta Waves - CORRECT ANSWER c. Decibels
The graph shows changes over time in a population of bacteria added to a test tube of growth medium.
What activity characterizes the growth cycle during phase II?
a. Bacteria are weakening due to the accumulation of waste products.
b. Bacteria are increasing in metabolic activity though not dividing.
c. Bacteria are dying off rapidly from lack of nutrients and space.
d. Bacteria are diving regularly by binary fission. - CORRECT ANSWER b. Bacteria are increasing in
metabolic activity though not dividing.
What is the major force that changes peat to coal?
a. Lift
b. Friction
, c. Tension
d. Pressure - CORRECT ANSWER d. Pressure
Where are the reproductive organs located in angiosperms?
a. Stem
b. Roots
c. Leaves
d. Flowers - CORRECT ANSWER d. Flowers
Which of the following causes coastal tides?
a. Changes in temperature of the earth's atmosphere and oceans
b. Gravitational attraction of the moon and sun on the earth
c. Variations in atmospheric pressure and weather patterns
d. Centrifugal force from the rotation of the earth and sun - CORRECT ANSWER b. Gravitational
attraction of the moon and sun on the earth
Which characteristic is present in most crustaceans?
a. Fur
b. Spine
c. Blubber
d. Exoskeleton - CORRECT ANSWER d. Exoskeleton
Why does a compass needle point towards the north?
a. Earth's electromagnetic field
b. North star's gravitational pull
c. The moon's position aligns the needle
d. Satellites in space align with the needle - CORRECT ANSWER a. Earth's electromagnetic field
What is the function of enzymes in the human body?
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