ASVAB Test 17 - Science

Which gas primarily makes up the Earth's atmosphere?. carbon dioxide. oxygen. argon. nitrogen.

Which element has no neutrons?. nitrogen. hydrogen. carbon. helium.

How many chromosomes are found in a human sperm cell?. 21. 23. 2. 46.

Shale, gypsum, coal, and sandstone are examples of which type of rock?. gneiss. metamorphic. sedimentary. igneous.

What structure connects muscle to bone?. tendons. joints. cartilage. ligaments.

Which of these has the most influence on oceanic tides?. the gravitational pull of the Sun on the Earth. the gravitational pull of the Moon on the Earth. the rotational turn of the Earth on its axis. the shifting of tectonic plates.

Earth is made of several layers. Which makes up most of Earth's volume?. the outer core. the inner core. the mantle. the crust.

Which of these is the best conductor of heat?. plastic. styrofoam. wood. metal.

Which of these statements is false about the periodic table?. The rows of elements are called periods. The columns of elements are called a group. Elements are arranged in order of increasing atomic number. The far left column contains a group called the noble gases.

What is the pH of water?. 1. 0. 6. 7.

Which of these would be a normal resting heart rate of an adult?. 84 beats per minute. 50 beats per minute. 118 beats per minute. 42 beats per minute.

Which blood cells are responsible for delivering oxygen to the body?. white blood cells. red blood cells. platelets. thrombocytes.

Simple eukaryotes, such as protozoa, would be categorized as __________. Protista. Fungi. Plante. Monera.

Gene expression in physical characteristics such as eye or hair color is referred to as __________. allele. genotype. phenotype. homozygous allele.

Which of these best defines the term "biosphere"?. the part of Earth where life occurs on land. the part of Earth where life occurs on land and in the water. the part of Earth where life occurs, which includes land, water, and air. a collection of populations in a habitat.

An animal that eats both plants and meat is called __________. a piscivore. an omnivore. an herbivore. a carnivore.

Skin is considered part of the __________ system. endocrine. integumentary. muscular. skeletal.

What is the closest definition of "osmosis"?. the combination of a substance with oxygen. the diffusion of a fluid across a semi-permeable membrane. a type of cell division that results in four daughter cells. the process by which a cell separates the chromosomes in its nucleus.

Which planet is closest to the sun?. Venus. Mercury. Mars. Neptune.

What cell structure is not shared by both animal and plant cells?. Ribosome. Cell Wall. Mitochondria. Nucleus.

Cold air is __________ than warm air. less dense. generally faster. more dense. lower-pressured.

Given that iron has 26 protons, 26 electrons, 30 neutrons, and an atomic weight of 55.845 amu, what is its atomic number?. 52. 30. 55.845. 26.

What number is referred to as "absolute zero"?. 0 degrees Farenheit. 0 Kelvin. 100 degrees Celsius. 0 degrees Celsius.

The study of the environment and organisms' interaction within it is called __________?. botany. entomology. ecology. geology.

A tendon connects which two structures?. ligament and bone. muscle and bone. muscle and muscle. bone and bone.

If a trait can only be passed from father to son, it can be assumed the trait is linked to what chromosome?. dominant chromosome. recessive chromosome. Y chromosome. X chromosome.

Which is considered the earliest stage of human development?. blastocyst. fetus. zygote. embryo.

When exactly two atoms share electrons, they are said to have which type of bond?. metallic. polar. covalent. ionic.

"Sublimation" involves __________. the change from a liquid to a gas. the change from a gas to a liquid. the change from a liquid to a solid. the change from a solid to a gas.

Which of these is not an exocrine gland?. pancreas. salivary glands. adrenal glands. mammary glands.

Which of these would be considered a primary consumer?. rabbit. human. aloe plant. snake.

Which scale is used to measure the intensity of an earthquake?. the Likert scale. the Kinsey scale. the Richter scale. the magnitude scale.

Given that a kilogram is 2.2 pounds, what is the approximate weight of a person weighing 137 pounds expressed in kilograms?. 93 kg. 74 kg. 301 kg. 62 kg.

According to Newton's first law of motion, an object in motion tends to __________. stop eventually. decelerate quickly. stay in motion. move forever.

According to the electromagnetic spectrum, which is the highest frequency (shortest wavelength) wave known to exist?. gamma rays. infrared waves. ultraviolet light waves. radio waves.

The heat we get from the sun is what type of heat transfer?. radiation. convection. conduction. direct.

Which type of clouds are the lowest and responsible when fog occurs?. trophic. stratus. cumulus. cirrus.

Most scientists agree the Earth is approximately how old?. 2.4 million years old. 4.6 billion years old. 5.8 million years old. 10.4 billion years old.

The compound NaCl is more commonly known as __________. gold. baking soda. table salt. aspirin.

Which organ is responsible for regulating blood sugar levels by secreting insulin and glucagon?. gall bladder. spleen. liver. pancreas.

The flat, colored, ring-shaped membrane of the eye is called __________. lens. cornea. iris. pupil.

Which of the following is not one of the 6 basic animal groups?. Birds. Mammals. Humans. Invertebrates.

Which of the following cloud types occur at the lowest altitude?. Cirrus. Altocumulus. Cirrocumulus. Stratus.

How long does it take the earth to rotate 90 degrees?. 6 hours. 4 hours. 12 hours. 8 hours.

Which of the planets has the longest revolutionary period around the sun?. Mercury. Neptune. Earth. Saturn.

Which of the following is a positively charged subatomic particle?. Electron. Proton. Neutron. Nucleus.

A Celsius temperature of 100 degrees is equivalent to a Fahrenheit temperature of __________. 100 degrees. 32 degrees. 0 degrees. 212 degrees.

The process of water molecules escaping the Earth's surface and entering the atmosphere is known as __________. Condensation. Precipitation. Evaporation. Collection.

The majority of Earth's air is composed of __________. Nitrogen. Oxygen. Carbon. Dioxide.

About how long does it take the Earth to complete an orbit of the sun?. 1 day. 1 year. 1 month. 1 season.

If two forces act on an object in opposite directions, the force that results is __________. the difference between the two forces. the sum of the two forces. the product of the two forces. the ratio of the two forces.

Of which two parts does the formal binomial nomenclature (or scientific name) of a living organism consist?. Family and Species. Class and Family. Order and Class. Genus and Species.

Which of the following is NOT a fruit?. Corn. Tomatoes. Peppers. Carrots.

Watts are a unit of measurement for __________. Power. Pressure. Energy. Speed.

On a Celsius thermometer, how many degrees are there between the boiling point of water and the freezing point of water?. 212 degrees. 100 degrees. 180 degrees. 32 degrees.

Force can be represented by a vector. A vector represents __________. Speed. Direction. Magnitude and Direction. Magnitude.

Ascorbic acid is also known as ___________. Vitamin B12. Vitamin E. Vitamin C. Vitamin A.

A pot sitting on a hot burner is an example of __________. Convection. Conduction. Insulation. Radiation.

The product of force and distance is __________. Momentum. Power. Velocity. Work.