Asexaul reproduction by pear shaped biflagellate zoospores is seen in most:

1. Green algae

2. Brown algae

3. Red algae

4. Both (2) and (3)

All the following pteridophytes belong to the Class Pteropsida except:

1. Dryopteris

2. Pteris

3. Selaginella

4. Adiantum

Sexual reproduction by non-flagellated but similar in size gametes is seen in:

1. Chlamydomonas

2. Volvox

3. Spirogyra

4. Fucus

In mosses, the sex organs are seen in:

1. Protonema stage

2. Leafy stage

3. Capsule of the sporophyte

4. Seta of the sporophyte

The features seen in the gymnosperm Cycas include:

I. Coralloid roots

II. Unbranched stems

III. Pinnate persistent leaves for a few years

IV. Male cones and megasporophyllys borne on same plant

1. I and II only

2. I and IV only

3. I, II and III only

4. I, II, III, and IV

Both bryophytes and pteridophytes:

1. are vascular cryptogams

2. have a dominant sporophyte

3. reproduce only sexually

4. are haplo-diplontic

The first group of terrestrial plants to get rid of the swimming sperm was the:

(1) Club mosses

(2) Ferns

(3) Gymnosperms

(4) Angiosperms

The life cycle pattern shown in the given diagram is not seen in:

1. Chlamydomanas

2. Spirogyra

3. Volvox

4. Ectocarpus

The given diagram shows :

1.  An alga that lacks flagellated cells
2.  A liverwort
3.  A heterosporous pteridophyte
4.  A gymnosperm with non-motile sperms

Identify the statement that most accurately describes the plant shown in the given figure:

    
1. This the male prothallus of Marchantia; A is antheridiophore and B is Gemma cup
2. This the female prothallus of Marchantia; A is archegoniophore and B is Gemma cup
3. This the male prothallus of Sphagnum; A is antheridiophore and B is Gemma cup
4. This the female prothallus of spahgnum; A is archegoniphore and B is Gemma cup