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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?

A. To measure the oxygen levels at high elevation

B. To assess why the earlier expedition failed

C. To show that modem technology makes climbing safer

D. To identify routes that can be explored in future climbs

Answer Explanation:

The experienced mountain climber is replicating the conditions of the past expedition to understand why that earlier attempt was unsuccessful.

Therefore, the Correct Answer is B.

More Questions on TEAS 7 Science

  • Q #1: Which of the following is the term given to the sequence of nucleotides that contains the information to make a specific protein molecule?

    A. Locus

    B. Promoter

    C. Operator

    D. Gene

    Answer Explanation

    A gene is a segment of DNA that codes for a specific protein or polypeptide.

  • Q #2: Which of the following tissues lines the interior structures of the heart?

    A. Epicardium

    B. Pericardium

    C. Myocardium

    D. Endocardium

    Answer Explanation

    The endocardium lines the interior structures of the heart. It is a thin, innermost layer of the heart wall that lines the heart chambers and valves. It is composed of subendocardial connective tissue and endothelial cells that are continuous with blood vessel endothelium.

  • Q #3: Which of the following respiratory structures is affected by a disease that disrupts gas exchange, such as emphysema?

    A. Trachea

    B. Secondary branch

    C. Primary bronchi

    D. Alveoli

    Answer Explanation