Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
What is the principal reason that air pressure at the top of a mountain is smaller than at the bottom?
The air is cooler at the top.
The weight of all the air above the top is smaller.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
A key is placed in a hot oven and warmed to “1000C” [exact source typography]. As a result:
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Choose the correct statement.
Perceived loudness depends somewhat on frequency.
Each musical note is 10 Hz higher than the next lower note.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Choose the incorrect statement about melamine (C3H6N6). The food-contamination statement is historical context from the 2008 paper.
Melamine was found in milk powder made in mainland China.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
The source attributes the high resolution of a scanning tunneling microscope (STM) to wave properties of electrons. Choose the correct statement.
A. Electron wavelength depends on mass.
B. Any particles have wave properties like electrons.
C. An electromagnetic wave cannot have particle properties.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
The primary mirror in an astronomical telescope must be:
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
A car headlight and dashboard light operate at the same voltage. The headlight consumes more power because:
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
The drawings show turtle and chicken embryos. Which statement is supported by their similarities?
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Complete removal of decomposers from an ecosystem has the greatest direct effect on:
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Why does Earth’s axial tilt make summer warmer than winter in the Northern Hemisphere?
Warm ocean currents flow from the tropics to the Northern Hemisphere in summer.
Sun rays strike the Northern Hemisphere more directly in summer.
The greenhouse effect increases there in summer.
The Northern Hemisphere is closer to the Sun in summer.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Gas exchange, diaphragm and inhale are most closely associated with which human body system?
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
What do the caterpillar, mold and fern have in common?
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Which is a principle of natural selection?
Members of a species are genetically identical.
Variations are acquired during life and therefore are not inherited.
Most organisms are infertile or produce nonviable offspring.
Helpful variations allow better survival and reproduction than in individuals lacking them.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
What does this graph suggest? Horizontal axis: organism type. Vertical axis: number of amino-acid differences compared with human cytochrome c.
Organism size shows evolutionary similarities.
Butterflies and humans are closely related.
Amino acids can show evolutionary similarities.
Monkeys and fish have similar biochemical features.
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
According to the historical table, which group suffered the largest percentage loss to extinction?
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).
Imagine the pictured cubes are cells. Which most efficiently supplies nutrients through its membrane?
Section A: choose the correct answer. The supplied key prints 2 points per question and 50 minutes. Source header says Qualifying Examinations; key says Taiwan (2).