photosynthsis process

Photosynthesis divide into.............

• dark and light reaction

• only light reaction

• only dark reaction

• none of them

The Percentage of chlorophyll A is.......

• 70%

• 25%

• 34%

• 5%

The percentage of chlorophyll B.........

• 5%

• 25%

• 70%

• 34%

The green color of levels is due to......

• chlorophyll

• normal color

• enzymes

• none of hem

Why can photosynthesis not occur at very high temperatures ?

• Because carbon dioxide concentration is lower

• Because enzyme activity is lower

• Because light intensity is lower

• None of them

Which of the following are two major limiting factors of photosynthesis?

• hydrogen and oxye-gen

• water and oxygen

• carbon dioxide and temperature

• temperature and oxygen

Which equation correctly describes the process of photosynthesis?

• carbon dioxide + water= sugar

• sugar = carbon dioxide + water

• oxygen + water = sugar

• None of them

Which useful energy conversion is carried out by chlorophyll?

• Heat energy to light energy

• Chemical energy to heat energy

• light energy to chemical energy

• none of them

What are the products of the light reactions?

• H_{2 and Sugar}

• O₂ and H₂

• Sugar and O₂

• none of them

In Photosynthesis, What is ATP required for?

• Carbon fixation

• Splitting water

• Trapping light energy

• none of them