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- 1. Multiple Choice
When nitrogen is returned to the soil when dead plants decompose is an interaction that occurs in what system?
biosphere and atmosphere
biosphere and geosphere
geosphere and atmosphere
atmosphere and geosphere
- 2. Multiple Choice
During the 1800’s, miners can identify real gold from pyrite through biting the surface of the mineral. If a bite mark is exhibited, then the said mineral is considered real gold. What property is tested in this scenario?
cleavage
luster
hardness
streak color
- 3. Multiple Choice
A student obtained a cup of quartz sand from a beach. A saltwater solution is poured into the sand and is allowed to evaporate. Afterwards, the mineral residue from salt water solution cemented the sand grains together. Which of the following is most likely formed?
extrusive igneous rock
intrusive igneous rock
metamorphic rock
sedimentary rock
- 4. Multiple Choice
Which of the following human activities may NOT result to the movement of sediments from one place to another?
building a highway
washing the dishes
developing new athletic field
cultivating soil and gardening
- 5. Multiple Choice
What refers to the shaking of the surface of the Earth resulting from a sudden release of energy caused by a convection current?
earthquake
hurricane
storm surge
volcanic eruption
- 6. Multiple Choice
Samer is walking down the river when she sees an unknown metamorphic rock. Which of the following characteristic can BEST help her to immediately identify the type of metamorphism that the rock underwent using a magnifying glass?
foliation
grain size
name of the rock
kind of mineral present in the rock
- 7. Multiple Choice
What body parts are made of tissues that can contract and then relax back to normal size?
Bones
Cartilage
Muscles
Tendons
- 8. Multiple Choice
Which among the choices below is used for improving health condition by producing vaccines and pharmaceuticals?
cloning
gene splicing
selective breeding
recombinant DNA technology
- 9. Multiple Choice
What is the connection between biotic potential and environmental resistance?
Biotic potential increases the population while environmental resistance decreases its growth
Biotic potential increases the population whereas environmental resistance confines its growth
Biotic potential and environmental resistance are the two factors that increase the population growth
Biotic potential and environmental resistance are the two factors that limit the population explosion.
- 10. Multiple Choice
Which of the following is an example of the endocrine system directly interacting with the nervous system?
Hormones provide feedback that affect neuron processing
The brain sends signal that control the speed at which food moves through the intestines
vertebrae protect the spinal cord from injury
Sensory receptors in bones send signals about body position to the brain.
- 11. Multiple Choice
Nuclear fission involves the splitting of a large nucleus into two or more nuclei. Which of the following statements regarding nuclear fission is true?
The individual nuclei products are lighter than the original nucleus.
The individual nuclei products are of the same mass with the original nucleus.
The individual nuclei products may or may not be heavier than the original nucleus.
D. The individual nuclei products may or may not be lighter than the original nucleus.
- 12. Multiple Choice
A significant quantity of copper was discovered in a nearby meteor orbiting the earth. Which of the following statements is TRUE regarding the possible origin of the copper found in the meteor?
It is a product of nuclear fusion from a dead star.
It is formed via nuclear fission in a white dwarf star.
It is a product of a fusion of elements during a massive supernova.
It is a result of nuclear fusion in a young nebula.
- 13. Multiple Choice
Augustin visited the park. He saw lots of things from people, pets, benches, trees up to different cars. All of these are made up of atoms. What early notion of the atom would relate to these things?
Atoms are unlimited and continuously in motion.
Atoms cannot be divided further.
Atoms are small and compact particles.
Atoms can combine with other atoms to form different materials.
- 14. Multiple Choice
If two substances react and the temperature of the mixture decreases, What is the reactions?
Exothermic
Endothermic
Never going to happen unless it is heated
One that causes atoms to be destroyed
- 15. Multiple Choice
Which of the following is not made up of atoms?
Heat
Water
Stone
Smoke
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