Plant Kingdom T...

Identify the plans shown in figure and select correct option.

A
(a) Sphagnum
(b) Selaginella
(c) Selsginella
(d) Cycas
B
(a) Dictyota
(b) Ginkgo
(c) Salvinia
(d) Ginkgo

Read the given statements and select the correct option.
Statement 1: Main Plant body of bryophytes is sporophytic.
Statement 2: Main plant body of pteridopytes is game-tophytic.

In pteridophytes, Main plant body is a (i), which is (ii) into true roots, stem and leaves.
Fill the blanks in above statement and select the correct option.
(i)
(a) Sporophyte
(b) Sporophyte
(c) Gametophyte
(d) Gametophyte
(ii)
(a) Differentiated
(b) not differentiated
(c) differentiated
(d) not differentiated

In pteridophytes a spore germinates to produce

The heterosporous pteridophytes are

The spread of living pteridophytes is limited and is restricted to narrow geographical region because of 

 Identify the parts labelled A and B in the given figure of Equisetum and select the correct option.

(A)
(a) Strobilus
(b) Sporophylls
(c) Sporangia
(d) Sporophyte
(B)
(a) Rhizome
(b) Tuber
(c) Rhizome
(d) Tuber

 Which of the following is an aquatic fern?

Heterosporous pteridophytes show certain characteristic which are precursor to the 'seed habit' in gymnospert. One of such characteristics is

The dominant generation in pteridophytes is