MA 1. A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If you pick one marble at random, what is the probability of picking a blue marble?

A - 3/10
B - 1/2
C - 2/5
D - ---

Korrekt svar : A - 3/10

BI 2. Which adaptation helps desert plants such as cacti survive in hot, dry environments?

A - Large, broad leaves to increase wate...read more A - Large, broad leaves to increase water loss
B - Thick, fleshy stems that store water...read more B - Thick, fleshy stems that store water and leaves reduced to spines
C - Thin stems and soft leaves that abso...read more C - Thin stems and soft leaves that absorb more sunlight
D - ---

Korrekt svar : B - Thick, fleshy stems that store water and leaves reduced to spines

GEO 3. Why do earthquakes occur most frequently along the boundaries of tectonic plates?

A - Because tectonic plates move, collid...read more A - Because tectonic plates move, collide, separate, or slide past each other, releasing stored energy in the Earth's crust.
B - Because rivers erode rocks more quic...read more B - Because rivers erode rocks more quickly at plate boundaries, causing the ground to shake.
C - Because the Earth's inner core expan...read more C - Because the Earth's inner core expands and contracts every day, creating frequent earthquakes.
D - ---

Korrekt svar : A - Because tectonic plates move, collide, separate, or slide past each other, releasing stored energy in the Earth's crust.

CHEM 4. A student tests three unknown solutions with universal indicatore. The results are: Solution X: pH 2 Solution Y: pH 7 Solution Z: pH 11 Which statement is correct?

A - Solution X is a base, Solution Y is ...read more A - Solution X is a base, Solution Y is an acid, and Solution Z is neutral.
B - Solution X is an acid, Solution Y is...read more B - Solution X is an acid, Solution Y is neutral, and Solution Z is a base.
C - Solution X and Solution Z are both a...read more C - Solution X and Solution Z are both acids, while Solution Y is a base.
D - ---

Korrekt svar : B - Solution X is an acid, Solution Y is neutral, and Solution Z is a base.

PHY 5. A ray of white light passes through a glass prism. What is the main reason the light separates into different colors?

A - Each color of light travels at a dif...read more A - Each color of light travels at a different speed in the glass and is refracted by a different amount.
B - The prism absorbs all colors except ...read more B - The prism absorbs all colors except red, green, and blue.
C - The prism reflects different colors ...read more C - The prism reflects different colors from different surfaces without changing their direction.
D - ---

Korrekt svar : A - Each color of light travels at a different speed in the glass and is refracted by a different amount.

SS 6. Which invention of Johannes Gutenberg had the greatest impact on the spread of knowledge during the Renaissance?

A - The steam engine, which made books c...read more A - The steam engine, which made books cheaper to produce.
B - The movable-type printing press, whi...read more B - The movable-type printing press, which allowed books to be printed quickly and in large numbers.
C - The telescope, which enabled people ...read more C - The telescope, which enabled people to copy books more accurately.
D - ---

Korrekt svar : B - The movable-type printing press, which allowed books to be printed quickly and in large numbers.

PE 7. During a 20-minute run, a student's heart rate increases from 72 beats per minute to 145 beats per minute. What is the main reason for this increase?

A - The heart pumps more oxygen-rich blo...read more A - The heart pumps more oxygen-rich blood to the working muscles to meet their increased energy needs.
B - The heart rate increases because the...read more B - The heart rate increases because the lungs stop supplying oxygen during exercise.
C - The heart beats faster only to cool ...read more C - The heart beats faster only to cool the body and has no role in supplying muscles with oxygen.
D - ---

Korrekt svar : A - The heart pumps more oxygen-rich blood to the working muscles to meet their increased energy needs.

MA 8. The test scores of five students are 6, 8, 9, 8, and 4. What is the mode of the data?

A - 7
B - 8
C - 9
D - ---

Korrekt svar : B - 8

BI 9. Which statement correctly describes the role of pollination in the reproduction of flowering plants?

A - Pollination is the process by which ...read more A - Pollination is the process by which seeds absorb water and begin to grow.
B - Pollination is the transfer of polle...read more B - Pollination is the transfer of pollen from the anther to the stigma, which can lead to fertilization and seed formation.
C - Pollination is the movement of water...read more C - Pollination is the movement of water and minerals from the roots to the leaves.
D - ---

Korrekt svar : B - Pollination is the transfer of pollen from the anther to the stigma, which can lead to fertilization and seed formation.

GEO 10. Which statement correctly explains why volcanic soils are often highly fertile?

A - Volcanic ash and lava cool to form r...read more A - Volcanic ash and lava cool to form rocks that release nutrient-rich minerals into the soil over time.
B - Volcanoes produce large amounts of r...read more B - Volcanoes produce large amounts of rainfall, making the soil fertile immediately.
C - Volcanic soils contain very little m...read more C - Volcanic soils contain very little mineral content, allowing plants to absorb water more easily.
D - ---

Korrekt svar : A - Volcanic ash and lava cool to form rocks that release nutrient-rich minerals into the soil over time.

CHEM 11. A factory accidentally releases acidic waste into a lake. Which substance would be most suitable to reduce the acidity of the water without making it strongly alkaline?

A - Dilute sodium hydroxide solution, be...read more A - Dilute sodium hydroxide solution, because it is a strong base that rapidly increases the pH.
B - Crushed limestone (calcium carbonate...read more B - Crushed limestone (calcium carbonate), because it slowly neutralizes the acid and helps restore the pH.
C - Hydrochloric acid, because adding mo...read more C - Hydrochloric acid, because adding more acid makes the solution stable.
D - ---

Korrekt svar : B - Crushed limestone (calcium carbonate), because it slowly neutralizes the acid and helps restore the pH.

PHY 12. A student places three objects in front of a flashlight: a clear glass sheet, a frosted glass sheet, and a wooden board. Which statement correctly describes the shadows formed?

A - The clear glass produces a dark shad...read more A - The clear glass produces a dark shadow, the frosted glass produces no shadow, and the wooden board lets all light pass through.
B - The clear glass allows most light to...read more B - The clear glass allows most light to pass with little or no shadow, the frosted glass produces a faint, blurred shadow, and the wooden board produces a dark shadow.
C - All three objects produce identical ...read more C - All three objects produce identical dark shadows because light cannot pass through any solid material.
D - ---

Korrekt svar : B - The clear glass allows most light to pass with little or no shadow, the frosted glass produces a faint, blurred shadow, and the wooden board produces a dark shadow.

SS 13. Why is Mesopotamia often called the "Cradle of Civilization"?

A - It was the first region where people...read more A - It was the first region where people developed permanent settlements, writing systems, organized governments, and early laws.
B - It was the first civilization to use...read more B - It was the first civilization to use steam-powered machines during the Industrial Revolution.
C - It was the first society to discover...read more C - It was the first society to discover electricity and build modern factories.
D - ---

Korrekt svar : A - It was the first region where people developed permanent settlements, writing systems, organized governments, and early laws.

PE 14. A student accidentally sprains their ankle during a basketball game. Which first aid method should be used immediately to reduce pain and swelling?

A - Apply the RICE method: Rest, Ice, Co...read more A - Apply the RICE method: Rest, Ice, Compression, and Elevation.
B - Massage the injured ankle vigorously...read more B - Massage the injured ankle vigorously and continue playing to keep it flexible.
C - Place the ankle in hot water immedia...read more C - Place the ankle in hot water immediately after the injury to improve blood flow.
D - ---

Korrekt svar : A - Apply the RICE method: Rest, Ice, Compression, and Elevation.

MA 15. A class surveyed students about their favorite fruit. The results are shown below. Apples: 8 students Bananas: 5 students Oranges: 6 students Which fruit would have the tallest bar on a bar graph?

A - Bananas
B - Oranges
C - Apples
D - ---

Korrekt svar : C - Apples