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Always use the correct unit and the correct measuring device to ensure accuracy.

Unit 4 - Selecting Equipment

Choosing the right equipment makes biology experiments more accurate and reliable. This quiz helps you decide which glassware and tools to use in different investigations.

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Fascinating Fact:

Glassware should be chosen carefully. Measuring cylinders are used for approximate volumes, while burettes and pipettes are used for more precise measurements.

In GCSE Biology, you must select equipment that is suitable, safe and precise. Understanding when to use different glassware helps you collect data that are both accurate and reliable.

Key Terms

Measuring cylinder: A tall piece of glassware used to measure liquid volumes to a reasonable level of accuracy in school laboratories.
Pipette: A narrow tube that measures a fixed or carefully controlled volume of liquid, used when you need more precise measurements.
Burette: A long, graduated tube with a tap at the bottom, used to deliver very accurate, adjustable volumes in titration experiments.

Frequently Asked Questions (Click to see answers)

How do I choose which equipment to use in a biology practical?

You choose equipment based on the volume or quantity you need to measure, how precise your results must be, and how safe it is for the people doing the experiment.

What is the difference between a measuring cylinder and a burette?

A measuring cylinder gives approximate volumes and is quick to use. A burette gives very precise, adjustable volumes and is better for titrations and accurate measurements.

Why does precision of equipment matter in GCSE Biology experiments?

Precision matters because it affects how close repeated readings are to each other. More precise equipment reduces random error and makes your conclusions more trustworthy in exams and coursework.

Try These Related Quizzes

1 .

Most accurate equipment for measuring the volume of a gas.

Inverted measuring cylinder

Glass beaker

Gas jar

Gas syringe

An inverted measuring cylinder would do the job but is not as accurate

2 .

For liquids, this needs to be on the graduated line.

Water

Liquid

Meniscus

Finger

The meniscus is the surface of the liquid you are measuring. It is slightly curved at the edges and its lowest point must be lined up with the graduated line on your measuring equipment

3 .

We use these to hold a flask in place.

Clamp

Clamp, clamp stand and boss

Our hands

A piece of string

Always remember to include extra equipment for handling chemicals and equipment, including spatulas and glass rods

4 .

Use this to accurately measure the volume of liquids.

Boiling tube

Measuring cylinder

Beaker

Conical flask

Pipettes and burettes are even more accurate ways of measuring the volume of liquids

5 .

Name the equipment used in ecology for estimating populations.

Quater

Quadrant

Quadrat

Quaker

Usually this is a square wire frame with sides of 50 cm length

6 .

If you were planning an experiment using a dangerous volatile substance, you must use this.

Safety screen

Fume cupboard

Heatproof mat

Lab coat

Only one group at a time can use most fume cupboards

7 .

You want to do an experiment but the total volume of reactants is 100ml. Which is the most suitable vessel for putting your reactants into?

Test tube

Boiling tube

A 250 ml conical flask

Two litre beaker

You cannot use a test tube or boiling tube because the total volume exceeds their capacity. The two litre beaker is far too large

8 .

In order to measure the length of a line, we should use a ruler accurate to the nearest...

Always use the correct unit and the correct measuring device to ensure accuracy

9 .

This is used to separate insoluble solids from soluble materials.

Filter paper

Distillation

Crucible

Magnifying glass

This needs to be in a filter funnel and should be clamped above the receiving vessel

10 .

Accurate measuring equipment is essential, otherwise the results could be...

unreliable

false

negative

cancelled out

More accurate equipment reduces systematic errors and improves precision, making results more reliable

You can find more about this topic by visiting BBC Bitesize - Practical skills

Author: Donna Davidson (GCSE Biology Teacher & Examiner, Quiz Writer)

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