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NLN PAX Exam Study Science Questions & Answers Updated 2025 Rated A, Exams of Science education

University of RoehamptonScience education

NLN PAX Exam Study Science Questions and Correct Answers Updated 2025 Rated A

Typology: Exams

2024/2025

Available from 07/11/2025

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NLN PAX Exam Study Science
Questions and Correct Answers Updated
2025 Rated A
1 kilogram (kg) of solid X at 10 degrees C and 1 kg of solid Y at 10 degrees
C each absorb 5 joules of heat energy. The final temperatures of X and Y
are 15 degrees C and 20 degrees C, respectively. Compared to X, Y must
have a lower what? - ANSSpecific Heat.
A cell which manufactures a large amount of protein for export would have
an abundance of organelles called what? - ANSRibosomes.
A method for determining the blood alcohol content of a subject is to what?
- ANSUse a Breathalyzer.
A person blows his breath into a straw that is placed in limewater. The
limewater becomes cloudy because the person's breath contains what? -
ANSCarbon Dioxide.
A recently discovered species has these characteristics: amniotic eggs, a
four-chambered heart, and lightweight, honeycombed bones. What is an
additional characteristic that is most likely to be present? - ANSFeather for
flying.
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Download NLN PAX Exam Study Science Questions & Answers Updated 2025 Rated A and more Exams Science education in PDF only on Docsity!

NLN PAX Exam Study Science

Questions and Correct Answers Updated

2025 Rated A

1 kilogram (kg) of solid X at 10 degrees C and 1 kg of solid Y at 10 degrees C each absorb 5 joules of heat energy. The final temperatures of X and Y are 15 degrees C and 20 degrees C, respectively. Compared to X, Y must have a lower what? - ANSSpecific Heat. A cell which manufactures a large amount of protein for export would have an abundance of organelles called what? - ANSRibosomes. A method for determining the blood alcohol content of a subject is to what?

  • ANSUse a Breathalyzer. A person blows his breath into a straw that is placed in limewater. The limewater becomes cloudy because the person's breath contains what? - ANSCarbon Dioxide. A recently discovered species has these characteristics: amniotic eggs, a four-chambered heart, and lightweight, honeycombed bones. What is an additional characteristic that is most likely to be present? - ANSFeather for flying.

A student focuses sunlight to a point with a thing converging (convex) lens. Which if these direct measurements can the student make as a result of this experiment? - ANSThe approximate focal length of the lens. A substance that increases the speed of a reaction by lowering its activation energy is called what? - ANSA catalyst. Amnesia in humans is the loss of memory. What part of the brain has been affected when someone is suffering from amnesia caused by head trauma?

  • ANSCerebral Cortex. An example of an adaptation to prevent water loss in plants is what? - ANSWaxy epidermis. An example of the most complex level of organization in a frog is the what?
  • ANSRespiratory System. An unknown gas is more dense than air, does not support combustion, and turns a limewater solution cloudy. This gas is most probably what? - ANSCarbon Dioxide. As an object falls freely near the surface of the earth, its speed increases, representing a transformation of what? - ANSPotential energy to kinetic energy. Cicero and Wozniak used young rats in their experiment instead of older rats because young rats are what? - ANSMore sensitive to alcohol.

Substance Y is soluble only in non polar solvents and does not conduct electricity, either in the solid or liquid phases. Y is most probably what? - ANSA non polar substance. The amplitude of a sound wave is most closely related to it's what? - ANSLoudness??? The atoms of an element with seven valence electrons are most probably classified as what? - ANSNonmetals. The bending of a wave around an obstacle is known as what? - ANSDiffraction. The inherited factors that are transmitted in an organism from generation to generation are called its what? - ANSGenotype. The normal boiling temperature for water is 100 degrees when measured on which of these scales? - ANSCelsius. The organ that filters metabolic waste from the blood is what? - ANSKidney. The process of nuclear cell division in the cell reproduction of plants differs from mammals. A major difference is that what? - ANSCell plates are synthesized

The vertical columns on the periodic chart are known as what? - ANSGroups. Unicellular organisms that have a nucleus and can swim with the aid of cilia are examples of what? - ANSProtozoans. What factor is a variable in Cicero and Wozniak's research? - ANSLiquid diet of 6% alcohol. What instrument is used to measure the amount of heat exchanged in a system? - ANSCalorimeter??? What is a condition that is associated with smoking? - ANSEmphysema. What is a group of land plants that do not produce seeds? -Perennial flowering plants, such as peonies and asters. -Deciduous trees, such as mosses and ferns. -Moist forest plants, such as mosses and ferns. -Evergreen trees, such as pines and spruces. - ANS What is an example of a hydrocarbon that is a member of the benzene family? - ANSToluene. What is an example of an emulsion? - ANSMayonnaise.

While working in the chemistry laboratory, a student spills dilute hydrochloric acid on her hand. What is the first action this student should take? - ANSFlush her hand with large quantities of water. Whole blood of type AB can be transfused to people with what type(s) of blood? - ANSAB only. You cut your finger rather deeply while slicing an apple. What action should you take first? - ANSWash the wound continuously with cold running water.