ATI TEAS SCIENCE
# Biology Practice Questions
- Which of the following contains a human’s hereditary information?
– Chromatin
– Plasmids
– ATP
– Histones
- If A represents atomic mass and Z represents atomic number, which of the following describes an atom after a proton is emitted from its nucleus?
– A+1, Z=1
– A·1, Z+1
– A+1, Z+1
– A-1, Z-1
- Which of the following types of cells stimulates other immune cells to attack and destroy foreign agents?
– Plasma cells
– Cytotoxic T-cells
– Helper T-cells
– Natural killer cells
- Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways?
– Proving a hypothesis exempts it from further testing.
– Certain concepts cannot be subjected to direct experimentation.
– Until disproved, an explanation for an observation is valid.
– A hypothesis that has not been falsified remains provisional.
- Muscles differentiate from which of the following embryonic tissue?
– Ectoderm
– Endoderm
– Mesoderm
– Placenta
- Which of the following tissues lines the interior surfaces of the heart?
– Pericardium
– Epicardium
– Myocardium
– Endocardium
- Which of the following is classified as a noninfectious disease?
– Chikungunya
– Dengue
– Brucellosis
– Psoriasis
- An experienced mountaineer decides to climb Mount Everest, taking the same route in the same season and with similar materials and equipment used in a fatal 1924 expedition. Which of the following is the scientific purpose of such a climb?
– To measure the oxygen levels at high elevation
– To show that modern technology makes climbing safer
– To identify routes that can be explored in future climbs
– To assess why the earlier expedition failed……………………………..purchase this entire exam at $49 only
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