PSB exam-150 Practice Questions with Complete Solutions

PSB exam-150 Practice Questions with Complete Solutions What are the factors that differ for potential and kinetic energy? - CORRECT ANSWER Activity - in motion or in storage What happens when a small amount of soap is added to hard water? - CORRECT ANSWER A scum is formed Which of the following properties is considered a physical property? - CORRECT ANSWER Boiling point Semicircular canals are thought to be most sensitive to which of the following? - CORRECT ANSWER Gravity Which of the following kinds of radiation is the most penetrating? - CORRECT ANSWER Gamma The growth of green plants toward light is related most specifically to the distribution in the plant of: - CORRECT ANSWER Auxins - a class of plant hormones (plant growth or regulators) with some morphogen-like characteristics. Auxins have a cardinal role in coordination of many growth and behavioral processes in the plant's life cycle and are essential for plant body development. A person with a fever would be expected to have: - CORRECT ANSWER An increased pulse rate The principle way in which forests help to prevent soil erosion is that: - CORRECT ANSWER Forest floors absorb water The reaction of the body to stress includes which of the following? - CORRECT ANSWER Secretion of adrenalin Which factor in the environment of an organism causes it to react? - CORRECT ANSWER Stimulus Which term includes all others? Organ Tissue System Organism - CORRECT ANSWER System The process responsible for the continuous removal of carbon dioxide from the atmosphere is: - CORRECT ANSWER Photosynthesis Of the following, the marsupial native to the United States is: - CORRECT ANSWER Opossum n organ that functions as both an endocrine and an exoenne gland is the: - CORRECT ANSWER Pancreas Air passes into and out of the insect body by way of: - CORRECT ANSWER Trachea Of the following, an example of a carnivorous plant is - CORRECT ANSWER The Venus flytrap, Dionaea muscipula, is a carnivorous plant native to subtropical wetlands on the East Coast of the United States in North Carolina and South Carolina The catalytic action of pancreatic enzymes affects: - CORRECT ANSWER Fats In the stomach, which of the following substances is necessary for pepsinogen to be converted to pepsin? - CORRECT ANSWER Hydrochloric acid Diabetes Mellitus initially results from: - CORRECT ANSWER Over secretion of pancreatin The horseshoe crab is most closely related to which of the following?: - CORRECT ANSWER Garden spider An unforeseen result of the widespread use of DDT is the: - CORRECT ANSWER Development of insects immune to DDT ANTONYMS - meaning opposite - CORRECT ANSWER ANTONYMS - meaning opposite FOREBEARANCE - patient self-control; restraint and tolerance; he action of refraining from exercising a legal right, especially enforcing the payment of a debt. - CORRECT ANSWER impatience