Name the first formed category of photosynthetic organisms.

The photosynthetic unit is

Which is correct for photosynthetic organs

A stem functioning as photosynthetic organ is

The sugar formed at photosynthetic site is

Photosynthetic euglenoids are

Which of the followingis first oxygenic photosynthetic organism?

The first organism were

Sporophylls are photosynthetic in

A student observed a water drop under microscope. He found a photosynthetic organism. Its cell wall forms two overlapping shells which fit together as in soap box. Which of the following organisms is is

Name the following : Damage of photosynthetic pigments at very high temperature.