ACT Success - Science - Practice #5

Group 1

Source 1.1

• Free testosterone levels would increase slightly, but not exceed the levels seen after the leg press (4 sets).

• Free testosterone levels would sharply increase and likely exceed the peak observed after the leg press (4 sets).

• Free testosterone levels would decrease due to overexertion.

• Free testosterone levels would remain unchanged.

• Higher volumes of exercise lead to a rapid decrease in total testosterone during recovery.

• Total testosterone levels during recovery are independent of exercise volume.

• Total testosterone levels decrease gradually during recovery, indicating a dose-dependent effect of exercise volume.

• Recovery levels of total testosterone exceed pre-exercise levels for FR, regardless of exercise volume.

Group 2

Source 2.1

• Nutrient availability would decline slowly, as summit rat deposits inside pitchers provide a steady nutrient source.

• Nutrient availability would initially decrease, but tree shrew scat inside pitchers would compensate over time.

• Nutrient availability would be unaffected, as summit rats are not the primary source of nutrients for the pitchers.

• Nutrient availability would increase, as tree shrews would become more dominant.

• Summit rat scat contains specific nutrients essential for the growth of pitcher plants.

• Tree shrews provide nutrients that are more beneficial than those from summit rats.

• Scat deposits outside the pitchers are the primary nutrient source for pitcher plants.

• Pitcher plant growth is independent of animal proximity.

Group 3

Source 3.1

• Phase 1, because initial movement typically shows the highest perception error.

• Phase 3, as participants tend to overestimate the angle more significantly during the middle of the rotation.

• Phase 4, due to increased fatigue affecting accuracy of perception.

• Phase 5, as perception errors typically accumulate toward the end of a rotation.

• Perceived angles would align more closely with actual angles, especially in CC rotation.

• Perceived angles would diverge further from actual angles due to increased cognitive load.

• The discrepancy would increase in both directions due to heightened attention to movement.

• Perception would improve only in CW rotation, as this direction initially had the greatest error.

• Species X would grow well, but Species Y would not.

• Neither Species X nor Species Y would grow well.

• Species Y would grow well, but Species X would not.

• Both Species X and Species Y would grow at a similar rate to their growth at pH 6.

• 16 units per minute

• 24 units per minute

• 32 units per minute

• 64 units per minute

• Between pH 4 and pH 5

• Between pH 5 and pH 6

• Between pH 6 and pH 7

• Between pH 8 and pH 10

• Growth would increase continuously.

• Growth would plateau and then decline.

• Growth would remain stable.

• Growth would increase initially, then decrease slightly, but remain high.

• The fish population would increase.

• The fish population would remain stable.

• The fish population would decrease significantly.

• The fish population would be unaffected by oxygen concentration.

• Grass would grow faster than its usual maximum rate.

• Grass would grow at the same maximum rate without negative effects.

• Grass growth would slow down, and it would show signs of stress.

• Grass would adapt to the new nitrate level and continue growing normally.

• The reaction rate is directly proportional to the concentration of A.

• The reaction rate is inversely proportional to the concentration of A.

• The reaction rate is proportional to the square of the concentration of A.

• The reaction rate is proportional to the square root of the concentration of A.