2.8 IB Respirometers

2.8 IB Respirometers

11th - 12th Grade

11 Qs

quiz-placeholder

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2.8 IB Respirometers

2.8 IB Respirometers

Assessment

Quiz

Biology

11th - 12th Grade

Medium

NGSS
HS-LS1-7, HS-LS2-5, MS-LS2-3

+2

Standards-aligned

Created by

Ruth Hamilton

Used 117+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the purpose of the soda lime in this lab?

absorbs oxygen

absorbs carbon dioxide

facilitates respiration

keeps the temperature regulated

Answer explanation

Soda lime is a base and absorbs CO2

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What do we call this lab set up?

a barometer

a respirometer

a manometer

a spirometer

Answer explanation

Respirometers measure respiration

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the purpose of the cotton wool?

to stop the maggots touching the soda lime

to keep the oxygen in the space above the maggots

to insulate the maggots from the cold

to keep the boiling tube bright

Answer explanation

We have to protect the little beasties!

Tags

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Why is the tube to the right in the boiling tube sealed?

To allow gases to enter and exit the respirometer

To stop gases entering and exiting the respirometer

To keep the maggots warm

There is no reason to seal that tube

Answer explanation

It has to be a closed system in order to measure the gases.

Tags

NGSS.HS-LS2-5

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What do you expect to see happen?

The liquid in the manometer will move UP the ruler

The liquid in the manometer will move DOWN the ruler

The liquid in the manometer will NOT move

The liquid in the manometer will move UP and DOWN the ruler

Answer explanation

The liquid will move due. to a drop in pressure

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which best describes cellular respiration?

the controlled release of energy from organic compounds to produce ATP

the controlled releases of energy from inorganic compounds to produce ATP

the controlled release of energy from organic compounds to produce ADP

the controlled release of energy from inorganic compounds to produce ADP

Answer explanation

Blah, blah, blah, you should know this question by now!

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

When investigating the effect of temperature on the rate of respiration, why do you need tube Q with glass beads?

To make sure it is a fair test - the volume of glass beads needs to be the same as the volume of soda lime

It is a control variable - it allows you to see what happens without the soda lime

It is a control - changes in temperature could also cause the bubble to move and this allows you to take that into account

Glass beads have a high specific heat capacity so it makes it easier to maintain a constant temperature in the tubes

Answer explanation

Hmm, I hope this one made you think outside the box a little!

Tags

NGSS.HS-LS1-7

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