Sac like structures present in lungs are
Alveoli.
Bronchioles
Vocal cord
villi
The process by which green plants take food
Carbondioxide
Oxygen
Metabolic Activity
Photosynthesis
A Fibrous root
radish
beetroot
carrot
grass
Plants breathe through
stem
roots
leaves
flowers
What is formed when metabolic activities like nutrition, respiration take place in organisms?
Energy
Waste materials
Digestion
None of these
Frogs breathe through
Skin
Gills
Blow-holes
None
The respiratory organ of fish
skin
lungs
gills
both A&B
Among the following which plant responses to external stimuli?
Sun-flower
Rose
Bougainvillea
Shoe flower
The process by which green plants prepare food.
chemosynthesis
photosynthesis
none of these
Same type of cells form
Cell
Tissue
Organ system
Organ
