Q50 of 57 Page 56

Write names of few thallophytes. Draw a labelled diagram of Spirogyra.

Thallophyta is the division of plants that has the simplest organisms. The organisms of this division are commonly called algae. Examples are Spirogyra, Ulothrix, Cladophora and Chara.
A labelled diagram of spirogyra is shown below:


More from this chapter

All 57 →
48

Label a, b, c and d. given in Fig. 7.1 Give the function (b)

 49

Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)

 51

Thallophyta, bryophyta and pteridophyta are called as ‘Cryptogams’. Gymnosperms and Angiosperms are called as ‘phanerogams’. Discuss why? Draw one example of Gymnosperm.

 52

Define the terms and give one example of each

(a) Bilateral symmetry


(b) Coelom


(c) Triploblastic