Teas 7 Science (PRACTICE TEST A&B) Part 1 2025

What is a type of sesamoid bone ?

Patella ( knee cap)

What bone type is small bones ?

Sesamoid bones

What is a type of irregular bone?

vertebrae

What is the function of irregular bones ?

Mechanical support of the body

What bones are non- uniform and cannot be classified ?

Irregular bones

Examples of flat bones ?

Scapula, hip bone, sternum, nasal bone, occipital/ parietal, frontal and bones of the skull

Function of flat bones ?

muscle attachment and protection

What bones are broad and thin ?

Flat bones

What are example of long bones ?

femur, tibia, clavicle, humerus and metacarpals

What is the function of long bones ?

Mechanical strength

Which of the following does actin attach to?

A. Z-line

B. L-band

C. M-line

D. A-band

A. Z-line

Which of the following is usually the first line of defense in the human body when a pathogen invades?

Mucous covering

Which of the following encases a bundle of myofibrils ?

A. Endomysium

B. Epimysium

C. Sarcomere

D. Sarcoplasm

A. Endomysium

Which of the following occurs directly after diffusion in the lungs?

Gases are transported by blood into circulation

Where does an axon bind to release neurotransmitters in the body ?

A. Postsynaptic cell receptor

B. Synaptic cleft

C. Presynaptic terminal

Postsynaptic cell receptor

Which of the following correctly orders the route of sperm from the testes to the urethral opening?

Epididymis > vas deferens > urethra

Oxygen-rich blood, as found in the pulmonary circulation, does what?

Flows into systemic circulation

Which of the following describes the first step in urine formation?

Blood flows into glomerulus

Which of the following describes one way chlorine atom becomes stable ? (Group 17 elements with 7 valence electrons)

Gains one electron to form an anion

During the G₂ phase, more copies of tubulin are made to separate which of the following?

Chromosomes

A researcher identifies an unknown solution to have a pH of 3. Which of the following characteristics does the researcher most likely write down about this solution?

Sour in taste

Which of the following characteristics is unique to all prokaryotes?

A. Creates gametes

B. Require mitosis

C. Uses photosynthesis

D. Reproduce asexually

D. Reproduce asexually

what makes an atom an anion?

more electrons than protons makes the atom have a negative charge and classify as anion

A fish in a large fish tank is fed 5 ounces of food once a day. The same type of fish in a second tank is fed 10 ounces of food each day. The same type of fish in a third tank is fed 2 ounces of food four times a day. This study lasts for a four-week period where fish weight is measured weekly. Which of the following is the dependent variable?

A. Weight of fish

B. Type of food used

C. Number of fish tanks

D. Frequency of feedings

A. Weight of fish

During which of the following phase changes will the cohesion between the particles in a substance increase?

A. Solid to gas

B. Liquid to gas

C. Gas to liquid

D. Solid to liquid

C. Gas to liquid

Which of the following components is found in fungal cell walls and provides structural support?

A. Cellulose

B. Chitin

Chitin in fungus

Which of the following classifications of bone is included in the axial skeleton ?

B. Spongy bone

Axial Skelton consist of bones in the skull sternum vertebral column and rib cage

Appendicular Skelton upper and lower extrmeities

To accurately measure the density of a series of small irregular solids made of plastic wood, fiber glass which of the following laboratory tools would me needed ?

Graduated cylinder, water and weighing balance

Which of the following classes of biological molecules include enzymes ?

A. Proteins

A patient goes to the doctor with a cold and sore throat and asks for antibiotics. The doctor refuses to prescribe antibiotics to the patient because the illness is caused by which of the following pathogens?

A. Virus

In which of the following regoins are the tibia and fibula ?

Crural

Which of the following actions allows repolarozation of a neuron ?

The opening of potassium channels, allowing potassium to leave the neuron

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Which of the following properties does soap, an emulsifier have that make it useful for washing dirt off ?

Soaps dual polar and non polar nature helps bond oil and water

what efferent neuron is responsible for releasing a neurotransmitter ?

Motor neuron

Which of the following correctly orders structures from simple to complex ?

Atoms, cells, tissues and organs

Gastrulation results in

Germ layers

(Ectoderm, mesoderm, and endoderm)

A gene is being copied to a molecule that contains ribose and uracil, which cellular process describes this ?

A. Transcription

B. Translation

Transcription

What is the function of a somatic reflex ?

Quick response to protect the body from harm

What is improved with repeated trials ?

Reliability

Which best dissolves in water ?

HCL ions

Which of the following classes of chemicals can diffuse across membranes ?

Steroids

What are examples of short bones ?

Carpal and tarsal bones of the wrist and feet

What is the function of short bones ?

Provide support little movement

What bones are same width as length ?

Short bones

Function of sesamoid bones ?

Mechanical support and protection

What are the elongated bones; longer than they are wide?

Long bones

Which of the following bones is included the axial Skelton ?

A. Flat

B. Spongy

C.long

D. Sesamoid

A. Flat bone

When levels are decreased, which of the following hormones may play a vital role in the loss of your natural circadian rhythm as you age.

Melatonin

Which of the following molecules is able to diffuse through the lining of the small intestine?

A. Glycerol

B. Kinase

C. Prebiotic fibers

D. Polysaccharides

A. Glycerol

Which of the following is an example of incomplete dominance ?

A red flower crosses with a white flower producing pink flowers

Which of the following substances is excreted by sweat glands in response to the breakdown of proteins and the formation of ammonia ?

a. Urea

b. lysosomes

c. water

d.sebum

A. Urea

primary function of sweat glands is to maintain our body temp during a hot period by the process of perspiration and sweating

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