Topic Review: Homeostasis
Quiz by NYSED Living Environment
High School
Living Environment (1996) (old upload)
New York State Learning Standards
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15 questions
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- Q1An immune response is primarily due to the body's white blood cells recognizinga hormone imbalanceknown antibioticsabiotic organismsforeign antigens60s4.5
- Q2A factor not shown in the diagram that provides energy for living organisms iswateroxygencarbon dioxidethe Sun60s4.5
- Q3Fat molecules typically contain long chains of carbon atoms. Animals tend to store fats for use when food resources are scarce. This is an advantage to the animal becausefats give off carbon dioxide that can be used by the musclesmuch energy can be gained by breaking the bonds between atoms in the fatsenergy can only be created by digesting fatsamino acids from fat synthesis are more easily digested than carbohydrates60s4.5
- Q4While looking at the bottom surface of a leaf with a compound light microscope, a student notices pairs of cells with openings between them on the surface of the leaf. The main purpose of these openings and the cells that surround them issynthesis of carbon dioxideremoving excess sugarsregulating gas exchangepurification of water60s4.5
- Q5An immune response to a usually harmless environmental substance is known asan antigena mutationan allergya vaccination60s4.5
- Q6The hormone referred to in this feedback mechanism isinsulinprogesteroneestrogentestosterone60s4.5
- Q760s4.5
- Q860s4.5
- Q9Which graph best illustrates the body temperature in an individual maintaining dynamic equilibrium? Body Temperature60s4.5
- Q10A student placed a test tube containing elodea (an aquatic plant) and pond water 10 cm from a light source. He observed that the plant gave off bubbles of a gas and counted how many bubbles were released in one minute. He moved the plant farther away from the light source to see if distance from the source made a difference. The data table below shows his results. The gas that was being produced was most likelyoxygen as a product of the process of photosynthesiscarbon dioxide as a product of the process of photosynthesisoxygen as a product of the process of respirationcarbon dioxide as a product of the process of respiration60s4.5
- Q11Which statement is an example of a feedback mechanism in humans?An increase in exercise results in a decrease in the rate of respirationAn increase in the level of blood sugar results in the pancreas increasing the amount of insulin it secretesIncreased muscle activity results in a decrease in heart rateIncreased exposure to pathogenic bacteria results in an increase in the number of red blood cells produced.60s4.5
- Q12Many disorders are due to the inability of an individual to break down a particular chemical. Sometimes these disorders can be treated by giving the affected individual the appropriatechromosomesenzymesorganellesantigens60s4.5
- Q13The diagnostic test for HIV, the virus that causes AIDS, involves testing the blood for antibodies associated with this pathogen. Antibodies are produced when the bodysecretes specific hormonedetects foreign antigenssynthesizes microbesstimulates enzyme production60s4.5
- Q14Studies have shown that children are especially vulnerable to the effects of ultraviolet (UV) radiation. Tanning beds expose the skin to nearly ten times as much UV radiation as natural sunlight. With that knowledge, a law was passed in New York State to prevent individuals under the age of 18 from using tanning beds. Which statement best explains why UV radiation is so harmful?Radiation decreases the likelihood that infectious agents cause mutations.Diseases are all caused by exposure to environmental factors.Homeostasis in an organism is increased by the presence of radiation.Certain environmental factors can increase the occurrence of harmful gene mutations.60s4.5
- Q15Which correctly identifies the structure labeled Y in both diagrams and the process it performs?Structure: nucleus Process: regulationStructure: chloroplast Process: photosynthesisStructure: ribosome Process: protein synthesisStructure: mitochondrion Process: excretion60s4.5
