Search Header Logo

Obtaining Natural Products

Authored by Mara Esguerra

Chemistry

12th Grade

Used 4+ times

Obtaining Natural Products
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Taking into account environmental factors, which of the following is true about the secondary metabolites from the same species but from different locations?

Same species contains the same secondary metabolites in type and quantity .

Same species contains secondary metabolites of the same type but in different quantities.

Same species contains secondary metabolites of different types but in the same quantity.

Same species contains different secondary metabolites both in type and quantity.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False? Natural products can only be sourced from plants.

True

False

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is true about the distribution of secondary metabolites in the flesh of the fruit, rind and seeds of a plant species?

They must contain the same secondary metabolites.

They certainly contain different secondary metabolites.

Secondary metabolites may be the same or different.

All parts contain similar flavonoids.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following solvents will you choose first when doing an extraction from a plant material?

hexane

methanol

water

dichloromethane

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you recover the extracted component from the loaded, supercritical CO2 used in extraction?

Run the fluid through a filter paper.

Depressurize the fluid.

Include a seed solid in the recovery tank.

Lower the fluid temperature.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following techniques is most suitable to use to separate polar components of an extract?

Reverse Phase High-Performance Liquid Chromatography

Thin Layer Chromatography

Column Chromatography

Flash Chromatography

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you call the plant material left after extraction?

Eluate

Residue

Marc

Concentrate

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?