Chromatography of Leaf Pigments and Photosynthesis

Which leaf pigments are likely to move the quickest to the top?

• large nonpolar pigments

• small nonpolar pigments

• smaller sized polar pigment molecules

• larger sized polar pigment molecules

The physical separation of mixtures into individual components is..

• chromatography
• opacity 
• latent
• trace evidence 

Two or more substances that are mixed together but not chemically combined is a ___

• compound
• mixture
• keratin
• chromatography

Chromatography separates a mixture of dyes on the basis of their

• density or weight

• gravity

• boiling point

_____ helps in making food for the plant.

• flower

• root

• leaf

The part of the plant that has chlorophyll is _____________.

• Roots

• Flowers

• Stem

• Leaves

Tags

NGSS.MS-LS1-6

Which of the following is the green substance that helps plants to make food?

• Chlorophyll

• Roots

• Leaves

• Spores

Tags

NGSS.MS-LS1-6

What does the stem of the plant do?

• It makes food for the plant.

• It takes in the water from the ground.

• It transports water to the other parts of the plant.

• It exchanges gases with the surroundings.

Where is chlorophyll found in a plant cell?

• Nucleus

• Cytoplasm

• Chloroplasts

• Cell wall

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

Why are some leaves red?

• The chlorophyll is red and not green

• Pigments in the plant cells make the cells red

• To deter organisms from eating them