CLASS 7 PHOTOSYNTHESIS

Carbon dioxide is released during photosynthesis

• yes

• no

Which part of the plant takes in carbon dioxide from the air for photosynthesis

• root

• stomata

• leaf veins

• sepals

Human beings can be categorised as :

• parasite

• heterotrophs

• autotrophs

• saprotrophs

Ultimate source of energy is

• chemical energy

• wind energy

• solar energy

• water energy

Raw materials for photosynthesis are

• oxygen and water

• carbon dioxide and water

• nitrogen and water

• water,carbon dioxide,chlorophyll and solar energy

Solar energy is stored by leaves with the help of------------------------------------

• chlorophyll

• oxygen

Food is not essential for all living organisms

• true

• false

All green plants are called

• consumers

• producers

During photosynthesis, solar energy gets converted to

• chemical energy

• physical energy