Chlorophyll and Its Properties

Chlorophyll is a green pigment found in cyanobacteria and plant chloroplasts, essential for photosynthesis. It absorbs light mainly in the blue and red parts of the spectrum, reflecting green, which gives plants their color. There are two types of chlorophyll in green plants: chlorophyll a and b.

What is the origin of the name 'chlorophyll'?

• It is named after a scientist who discovered it.

• It is a combination of words from multiple languages.

• It is derived from Greek words for 'green' and 'leaf'.

• It comes from Latin words for 'green' and 'leaf'.

Which organisms contain chlorophyll?

• Only algae

• Cyanobacteria, algae, and plants

• Only cyanobacteria

• Only plants

In which parts of the electromagnetic spectrum does chlorophyll absorb light most strongly?

• Green and yellow portions

• Blue and green portions

• Blue and red portions

• Red and green portions

Why do chlorophyll-containing tissues appear green?

• They emit green light.

• They absorb green light.

• They reflect green light.

• They do not interact with green light.

What are the two types of chlorophyll found in green plants?

• Chlorophyll a and b

• Chlorophyll c and d

• Chlorophyll x and y

• Chlorophyll m and n