PICAT questions and answers| general science/correct and verified 100%

PICAT questions and answers| general science/correct and verified 100%PICAT questions and answers| general science/correct and verified 100% General Science - correct answers- The specialized bird feet shown in the illustration are a result of natural selection and are examples of A. adaptations. B. genetic drift. C. domestic breeding. D. two random mutations. - correct answers-Adaptation What is the major force that changes peat to coal? lift friction tension pressure - correct answers-Pressure Carbon-14 is an example of an isotope. isobar. allele. alloy. - correct answers-Isotope Which occupation would most likely be involved in genome mapping? Gerontologist Geneticist Geophysicist geologist - correct answers-Geneticist The graph shows changes over time in a population of bacteria added to a test tube of growth medium. What activity characterizes the growth cycle during phase II? Bacteria are weakening due to the accumulation of waste products. Bacteria are increasing in metabolic activity though not dividing. Bacteria are dying off rapidly from lack of nutrients and space Bacteria are dividing regularly by binary fission - correct answers-Bacteria are dividing regularly by binary fission Which of the following is a true statement about electron? It has a positive charge It exhibits some properties of waves it is located inside the atoms nucleus It has the most mass of all atomic particles. - correct answers-It exhibits some properties of waves Both parents of child are carriers of a recessive allele for a disorder. What is the probability of their child having the recessive disorder 0% 25% 50% 100% - correct answers-25% The rate at which work is done is called Power energy velocity momentum - correct answers-Power Which of the following is caused by pathogenetic bacteria Stroke influenza tuberculosis common cold - correct answers-Tuberculosis A substance is considered acidic if it is nonreactive with metals has pH level higher than 7 contains and releases hydroxide ions ionizes in water to form hydrogen ions - correct answers-ionizes in water to form hydrogen ions Mayonnaise is an example of: a. an emulsion b a precipitate c. a solute d. a gel - correct answers-an emulsion Which of the following types of energy os transferred by vibrating air particles? Nuclear Electrical Mechanical Electromagnetic - correct answers-Mechanical Which of these is part of the DNA structure? Lidocaine Benzene Guanine Radon - correct answers-Lidocaine which of the following is a true principle of inertia? It is a force that causes objects to move. It is proportional to the mass of an object it is the tendency of an object to change its backwards motion It is a natural phenomenon that exists when friction is absent - correct answers-It is proportional to the mass of an object Which human system contains the thyroid gland? Circulatory Respiratory Endocrine Glandular - correct answers-Endocrine Arithmetic Reasoning - correct answers- A person walked a dog 2/3 of a mile on Thursday and 5/7 of a mile on Friday. What total number of miles did the person walk the dog 7/10 10/21 1 3/10 1 8/21 - correct answers-1 8/21 A friend gives a neighbor 13 2/3 feet twine from a brand new spool, leaving 38 2/5 feet of twine on the spool. How many total feet of twine were originally on the spool? 51 1/15 51 4/5 52 1/15 52 1/5 - correct answers-52 1/15 If an employee invests 5% of his pre-tax salary into a retirement plan, the company will match 25% of that amount. How much will the company contribute to the plan if the employee earns $50,000 before taxes? $6,250 $2,500 $625 $250 - correct answers-$625 Two tanks are each partially filled with 96 gallons of water, as shown in the illustration. Tank A is 3 full, and Tank B is ⅖ full. What is the maximum amount of water that can be held in both tanks together? 128 gallons