Q14 of 386 Page 152

What are guard cells?

Each stomata is surrounded by a pair of guard cells. Guard cells regulate the opening and closing of stomata.


More from this chapter

All 386 →
12

What is economic use of sclerenchyma?

 13

What is tracheid?

 15

Which are soliers of the body in offence and defence?

 16

Name the leucocytes that increase in number during worm infestations.