Biology v. Phys. Science

Biology I

100

Which of the following is an abiotic factor in an ecosystem? A grass B a fox C a rock D a worm

C a rock ABIOTIC - NON LIVING BIOTIC - LIVING

200

Cells use passive and active transport to move materials across cell membranes in order to maintain a constant internal environment. What is the process of maintaining a constant internal environment called? A diffusion B evolution C homeostasis D respiration

C homeostasis

300

Of the following, which is considered a living organism? A bacterium B mitochondrion C nucleus D sperm

A bacterium

400

Which of the following examples illustrates osmosis? A Water leaves the tubules of the kidney in response to the hypertonic fluid surrounding the tubules. B Digestive enzymes are excreted into the small intestine. C White blood cells consume pathogens and cell debris at the site of an infection. D Calcium is pumped inside a muscle cell after the muscle completes its contraction.

A Water leaves the tubules of the kidney in response to the hypertonic fluid surrounding the tubules. OSMOSIS - WATER

500

Which of the following correctly lists the phases of the cell cycle starting with the interphase? A interphase, prophase, anaphase, metaphase, telophase B interphase, metaphase, anaphase, prophase, telophase C interphase, anaphase, telophase, metaphase, prophase D interphase, prophase, metaphase, anaphase, telophase

D interphase, prophase, metaphase, anaphase, telophase Remember - PMAT

Biology II

100

Based on the summary equation for photosynthesis shown below, which of the following is produced by the reaction? 6CO2 + 6H2O + light → C6H12O6 + 6O2 A CO2 B H2O C light D C6H12O6

D C6H12O6 GLUCOSE (SUGAR)

200

The observed trait that appears in an organism as a result of its genetic makeup is called the organism’s A allele B genotype C phenotype D karyotype

C phenotype PHenotype = PHysical characteristics GENotype = GENetic makeup

300

Why is it important for the cells of multicellular organisms to undergo mitosis? A Mitosis allows for reproduction with male and female gametes. B Mitosis increases variation within an organism. C Mitosis produces cells that are different from the original dividing cell. D Mitosis produces identical cells to the original dividing cell.

D Mitosis produces identical cells to the original dividing cell. miTosis - makes TWO identical cells

400

If placed in a hypertonic solution, a plant cell will A swell B burst C shrink in size D remain constant in size

C shrink in size HYPER - shrink HYPO - swell ISO - stay the same

500

Unlike prokaryotic cells, eukaryotic cells have the capacity to A assemble into multicellular organisms B establish symbiotic relationships with other organisms C obtain energy from the Sun D store genetic information in the form of DNA

A assemble into multicellular organisms

Toss Up

100

Which of the following is MOST likely to contain information on a new scientific discovery? A a textbook B a current scientific magazine C an encyclopedia D a reference book of scientific data

B a current scientific magazine

200

In a scientific experiment, how many independent variables should be tested at the same time? A none B one C two D three or more

A none

300

A student named Lu is about to leave the lab area where she has been working with chemicals. What is the last activity she should perform before she leaves the lab area? A put away her equipment B wash her hands C wash the tabletop D clean the glassware

B wash her hands

400

Which one of these energy sources is a nonrenewable source? A solar B water C wind D natural gas

D natural gas

500

Which of the following laboratory practices is frequently followed but is NOT necessary for safety? A label containers of reagents B wear safety glasses or goggles C review where the safety equipment is located D rinse all glassware with distilled water before use

D rinse all glassware with distilled water before use

Phys. Science I

100

The weight of a person on Earth is 6 times his or her weight on the Moon. What type of force is responsible for a person’s weight? A inertial B electromagnetic C gravitational D mechanical

C gravitational

200

Why did Dimitri Mendeleev use atomic masses instead of atomic numbers to organize his first periodic table in 1869? A Scientists did not know about atomic number in 1869. B Atomic mass works better than atomic number. C The elements will not be in the proper order if atomic number is used. D Atomic number cannot be measured.

A Scientists did not know about atomic number in 1869.

300

Soft drinks consist of a mixture of water, sugar, and flavoring, with carbon dioxide gas bubbled through it. Which of these ingredients would be considered the solvent? A water B sugar C flavoring D carbon dioxide

A water WATER IS THE UNIVERSAL SOLVENT

400

Pauline needs to measure the sliding friction of a brick. How should she go about doing this? A attach the brick to a string and then to a spring scale and read the force needed to quickly lift the brick off the ground B drag the brick by a string attached to a spring scale so that it gradually speeds up C drag the brick by a string attached to a spring scale along the surface of a table at a constant speed and read the force D hang the brick from a string attached to a spring scale and read the force

C drag the brick by a string attached to a spring scale along the surface of a table at a constant speed and read the force

500

A helicopter is moving past some clouds at a velocity of 5 km/hr north relative to the clouds. The clouds are moving past the ground at a velocity of 3.5 km/hr north. How fast is the helicopter going past the ground? A 2.5 km/hr B 3.5 km/hr C 5 km/hr D 8.5 km/hr

D 8.5 km/hr

Phys. Science II

100

Which of the following could be used to convert light energy to electrical energy? A a windmill B a chemical storage battery C a solar cell D rotating coils in a magnetic field

C a solar cell SOL = SUN = LIGHT

200

The International System of Units (SI) is a standardized system of measurement used to express fundamental quantities in metric units. Which of the following metric units are used to measure the fundamental quantities of length, mass, and time, respectively, in the SI system? A liter, gram, second B foot, pound, second C meter, kilogram, second D meter, ounce, second

C meter, kilogram, second

300

Which of the following pairs are isotopes of the same element? A atom J (27 protons, 32 neutrons) and atom L (27 protons, 33 neutrons) B atom Q (56 protons, 81 neutrons) and atom R (57 protons, 81 neutrons) C atom V (8 protons, 8 neutrons) and atom W (7 protons, 8 neutrons) D atom S (17 protons, 18 neutrons) and atom T (18 protons, 17 neutrons)

A atom J (27 protons, 32 neutrons) and atom L (27 protons, 33 neutrons) Isotope - same # protons, different # neutrons

400

A toaster is plugged into a wall outlet that has a voltage of 110 volts. If the toaster’s resistance is 10 ohms, what current runs through the toaster? A 10 amperes B 11 amperes C 100 amperes D 1100 amperes

B 11 amperes Voltage = current x resistance 110 V = 11 amps x 10 ohms

500

Aluminum oxide, Al2O3, is produced by combining Al3+ and O2- particles. What type of compound has been formed? A covalent B ionic C metallic D molecular

B ionic Ionic - metal and nonmetal Covalent - metal and metal