Peacock belongs to the class
Pisces.
Amphibia.
Reptilia.
Aves.
The respiratory organs of the humans
Lungs
Skin
Nose
Mouth
Among the following which plant responses to external stimuli?
Sun-flower
Rose
Bougainvillea
Shoe flower
Sac like structures present in lungs are
Alveoli.
Bronchioles
Vocal cord
villi
The process of releasing energy from food substance is
respiration
aeration
perspiration
expiration
Plants breathe through
stem
roots
leaves
flowers
The process by which green plants prepare food.
chemosynthesis
photosynthesis
both A&B
none of these
Certain plants respond to external
response
stimuli
The respiratory organs of birds are
Gills
Feathers
A motor car needs petrol and air in order to move. It produces waste gases.
Which characteristic of living organisms are similar to those of a motor car, when it expels out gases?
growth
movement
sensitivity
excretion
