1.
How is the process of transpiration useful to plant
?
2.
Tendril encircles
or coils around the object in contact
with it. Elaborate.
3.
Name the hormone secreted by ovary, testes
and adrenal glands. Write
a function of each hormone.
4.
Draw a labelled diagram of a biogas plant.
5.
Draw a neat
diagram of Respiratory System in
Humans and label the following :
(i)
Trachea (ii) Bronchi (iii) Lungs (iv) Larynx
Where does
exchange of gases take place
?
OR
Draw neat diagram of digestive system. Label its
all parts. How the main components of the food digested in the small intestine?
Explain.
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