IX D Science Test 1

The process by which plants make their own food is called (a)  

Tiny pores present on the

leaves are called (a)  

Plants are green in colour due to the presence of (a)  

Plants can synthesise their own food by photosynthesis thus called _____________

• Heterotrophs

• Saprotrophs

• Autotrophs

• Parasitic

What is the difference between heterotrophs and saprotrophs?

Stomata on the leaves help in (a)  

During photosynthesis plants release which gas?

• Carbon dioxide

• Oxygen

• Nitrogen

• Chlorine

During photosynthesis chlorophyll-containing

cells of leaves, in the presence of sunlight, use

carbon dioxide from air and water from the soil to

synthesise (a)  

The part of the plant below ground is called (a)   system.

(a)   gas is taken in during the process of photosynthesis