Photosynthesis IB Biology

Chlorophyll absorbs a higher percentage of _____ and _______ light.

• purple and green

• red and blue

• black and orange

• yellow and green

Answer explanation

Remember, red has a higher wavelength (675 ish) and blue has a lower wavelength (475 ish).

Tags

NGSS.MS-LS1-6

The reactants of photosynthesis are...

• sugar and water.

• sugar and oxygen.

• carbon dioxide and water.

• carbon dioxide and oxygen.

Answer explanation

Tags

NGSS.MS-LS1-6

What pigment absorbs sunlight for photosynthesis?

• chloroplast

• thylakoid

• grana

• chlorophyll

Answer explanation

Tags

NGSS.MS-LS1-6

Most plants appear green because chlorophyll...

• absorbs green light.

• absorbs violet light.

• does not absorb green light.

• does not absorb violet light.

Answer explanation

Tags

NGSS.MS-LS1-6

Which pigments absorbs green and blue light but reflects orange and red light?

• Carotenoids

• Chlorophylls

Answer explanation

The answer is on the graph - use it!

Tags

NGSS.MS-LS1-6

At approximately which wavelength does chlorophyll a absorb most light?

• 660 nm

• 640 nm

• 455 nm

• 425 nm

Answer explanation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Chlorophyll absorbs a higher percentage of _____ and _______ light.

• purple and green

• red and blue

• black and orange

• yellow and green

Answer explanation

Tags

NGSS.MS-LS1-6

Plants with the largest amount of which pigment will be best suited for growing conditions where light has a green hue.

• Chlorophyll A

• Chlorophyll B

• Carotenoids

• A combination of all 3

Answer explanation

Carotenoids because they still absorb some green light.

Tags

NGSS.MS-LS1-6

What pigment absorbs sunlight for photosynthesis?

• chloroplast

• thylakoid

• grana

• chlorophyll

Answer explanation

Tags

NGSS.MS-LS1-6

What is the name given to the value a solute travels compared to the solvent?

• Rf value

• Wavelength

• Chromatogram value

• Solute value

Answer explanation