Q. Mention any two forms in which humans andย ย ย animals excrete.
= Any two forms in which humans and animalsย ย ย ย excrete are :
(I) They excrete in the form of urine
(II) They excrete in formย of stool.
Q. Define stomata
=ย Tiny pores in the leaves through whichย ย ย ย ย ย ย ย plants breathe are called stomata.