Primavera Integrated Science B Final Exam Questions and Answers | Latest Update | 2024/2025 | Already Passed
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Primavera Integrated Science B
Institution
Primavera Integrated Science B
Primavera Integrated Science B Final
Exam Questions and Answers | Latest
Update | 2024/2025 | Already Passed
What is the main difference between an element and a compound?
An element is a pure substance consisting of only one type of atom, while a compound is a
substance made from two or mo...
Primavera Integrated Science B Final
Exam Questions and Answers | Latest
Update | 2024/2025 | Already Passed
What is the main difference between an element and a compound?
✔✔ An element is a pure substance consisting of only one type of atom, while a compound is a
substance made from two or more different types of atoms chemically bonded together.
How do you determine the atomic number of an element?
✔✔ The atomic number of an element is determined by the number of protons in the nucleus of
its atoms.
What is the role of enzymes in biological reactions?
✔✔ Enzymes act as catalysts that speed up biochemical reactions in cells without being
consumed in the process.
What is the basic unit of life in all living organisms?
✔✔ The basic unit of life in all living organisms is the cell.
1
,How does photosynthesis contribute to the energy cycle in ecosystems?
✔✔ Photosynthesis converts light energy into chemical energy stored in glucose, which is then
used by plants and other organisms for growth and energy, contributing to the energy cycle.
What is the difference between kinetic and potential energy?
✔✔ Kinetic energy is the energy of motion, while potential energy is the stored energy due to an
object's position or state.
What are the primary components of a water molecule?
✔✔ The primary components of a water molecule are two hydrogen atoms and one oxygen
atom, bonded together.
How does the theory of plate tectonics explain the movement of Earth's lithosphere?
✔✔ The theory of plate tectonics explains that Earth's lithosphere is divided into tectonic plates
that move over the semi-fluid asthenosphere due to convection currents in the mantle.
What is the function of the respiratory system in humans?
✔✔ The respiratory system's function is to exchange gases, primarily oxygen and carbon
dioxide, between the body and the environment.
2
, How does an ecosystem maintain balance through biotic and abiotic factors?
✔✔ An ecosystem maintains balance through interactions between biotic factors (living
organisms) and abiotic factors (non-living elements like water, light, and temperature) which
influence each other and affect the overall health and stability of the environment.
What is the role of DNA in cells?
✔✔ DNA carries genetic information that guides the development, functioning, and reproduction
of all living organisms.
What are the three main types of rocks, and how are they formed?
✔✔ The three main types of rocks are igneous (formed from cooled magma or lava),
sedimentary (formed from the accumulation and compression of sediments), and metamorphic
(formed from existing rocks transformed by heat and pressure).
How does the water cycle contribute to Earth's climate system?
✔✔ The water cycle, through processes like evaporation, condensation, and precipitation, helps
regulate Earth's climate by distributing heat and moisture around the planet.
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