Combine Science Required Practical's Paper 2
Quiz
•
Biology
•
11th Grade
•
Hard
Kaydiann Robinson-Robing
Used 6+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is reaction time and why is it important?
Reaction time is the time taken to respond to a stimulus. It is crucial for activities requiring quick responses, like driving and sports.
Reaction time is the time taken to complete a task. It is crucial for activities requiring endurance, like running and swimming.
Reaction time is the time taken to start a task. It is crucial for activities requiring planning, like chess and strategy games.
Reaction time is the time taken to finish a task. It is crucial for activities requiring precision, like painting and sculpting.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How do you measure reaction time using the ruler drop test?
Drop a ruler and measure the distance it falls before being caught. Convert this distance into reaction time.
Drop a ruler and measure the time it takes to hit the ground. Convert this time into reaction time.
Drop a ruler and measure the distance it falls before hitting the ground. Convert this distance into reaction time.
Drop a ruler and measure the time it takes to be caught. Convert this time into reaction time.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What factors can influence reaction time, and how can they be controlled in an experiment?
Factors include age, fatigue, caffeine, and distractions. Control these by keeping conditions consistent.
Factors include age, diet, exercise, and distractions. Control these by keeping conditions consistent.
Factors include age, sleep, caffeine, and distractions. Control these by keeping conditions consistent.
Factors include age, stress, caffeine, and distractions. Control these by keeping conditions consistent.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to repeat measurements and calculate an average?
To minimize errors and obtain a more reliable result.
To maximize errors and obtain a more reliable result.
To minimize errors and obtain a less reliable result.
To maximize errors and obtain a less reliable result.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How would caffeine (or any other factor) be expected to affect reaction time based on your data?
Caffeine typically reduces reaction time, leading to quicker responses.
Caffeine typically increases reaction time, leading to slower responses.
Caffeine typically has no effect on reaction time.
Caffeine typically increases reaction time, leading to quicker responses.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a quadrat and how is it used in field investigations?
A quadrat is a square frame used to sample organisms within a defined area.
A quadrat is a circular frame used to sample organisms within a defined area.
A quadrat is a triangular frame used to sample organisms within a defined area.
A quadrat is a rectangular frame used to sample organisms within a defined area.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you ensure that your sampling is random and unbiased?
Use random placement methods, like random number tables or throwing the quadrat over the shoulder.
Use systematic placement methods, like placing the quadrat at regular intervals.
Use biased placement methods, like placing the quadrat in areas with the most organisms.
Use non-random placement methods, like placing the quadrat in areas with the least organisms.
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