Chapter 6.2

Chapter 6.2

University

9 Qs

quiz-placeholder

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Chapter 6.2

Chapter 6.2

Assessment

Quiz

Science

University

Easy

NGSS
MS-PS1-4, MS-PS1-5, HS-ETS1-1

+3

Standards-aligned

Created by

Yin Leng Kua

Used 2+ times

FREE Resource

9 questions

Show all answers

1.

OPEN ENDED QUESTION

1 min • 2 pts

Name the raw material for the production of agar-agar.

Evaluate responses using AI:

OFF

2.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Which of the following BEST describe agar-agar

pectin

polysaccharide

agarose

agaropectin

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Agar-agar has higher melting point than gelatin.

True

False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

4.

OPEN ENDED QUESTION

1 min • 2 pts

Explain the need of alkali treatment before agar extraction from Gracilaria.

Evaluate responses using AI:

OFF

Tags

NGSS.MS-PS1-5

5.

OPEN ENDED QUESTION

1 min • 2 pts

What is the concentration of the solution after agar-agar extraction?

Evaluate responses using AI:

OFF

6.

OPEN ENDED QUESTION

1 min • 2 pts

What is the melting point of agar-agar?

Evaluate responses using AI:

OFF

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

7.

OPEN ENDED QUESTION

2 mins • 4 pts

Name the two (2) dewatering approaches available for agar-agar.

Evaluate responses using AI:

OFF

8.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Slow cooling is desired during freeze-thaw dewatering process.

True

False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

9.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Freeze-thaw method is cheaper than syneresis method.

True

False

Tags

NGSS.HS-ETS1-1

NGSS.HS-ETS1-3