All the following pteridophytes belong to the Class Pteropsida except:

1. Dryopteris

2. Pteris

3. Selaginella

4. Adiantum

Subtopic:  Classification of Pteridophytes: II | Classification of Pteridophytes |
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Sexual reproduction by non-flagellated but similar in size gametes is seen in:

1. Chlamydomonas

2. Volvox

3. Spirogyra

4. Fucus

Subtopic:  Algae |
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In mosses, the sex organs are seen in:

1. Protonema stage

2. Leafy stage

3. Capsule of the sporophyte

4. Seta of the sporophyte

Subtopic:  Bryophytes (Liverworts) | Bryophytes (Anthoceropsida) |
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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

Subtopic:  Gymnosperms: I | General Accounts of Gymnosperms: II | Gymnosperms |
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Both bryophytes and pteridophytes:

1. are vascular cryptogams

2. have a dominant sporophyte

3. reproduce only sexually

4. are haplo-diplontic

Subtopic:  Life Cycle Patterns in Plants |
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The first group of terrestrial plants to get rid of the swimming sperm was the:

(1) Club mosses

(2) Ferns

(3) Gymnosperms

(4) Angiosperms

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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The life cycle pattern shown in the given diagram is not seen in:

 

(1) Chlamydomanas

(2) Spirogyra

(3) Volvox

(4) Ectocarpus

Subtopic:  Life Cycle Patterns in Plants |
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The given diagrams shown:-

(1) An alga that lacks flagellated cells

(2) A liverwort

(3) A heterosporous pteridophyte

(4) A gymnosperm with non motile sperms

Subtopic:  Pteridophytes: Heterospory |
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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

Subtopic:  Bryophytes (Liverworts) |
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Which one is a wrong statement?

(1) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.

(2) Mucor has biflagellate zoospores.

(3) Haploid endosperm is typical feature of gymnosperm.

(4) Brown algae have chlorophyll-a and c, and fucoxanthin.

Subtopic:  Pheophyceae: Brown Algae | Gymnosperms: I | Gymnosperms |
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