The life cycle is not haplo-diplontic in:

1. Bryophytes

2. Pteridophytes

3. Polysiphonia

4. Fucus

Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 76%
From NCERT
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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)

Subtopic:  Pheophyceae: Brown Algae |
 81%
From NCERT
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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 |
 81%
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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 |
 77%
From NCERT
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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) |
 65%
From NCERT
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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 |
 72%
From NCERT
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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 (OLD NCERT) |
 84%
From NCERT
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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 |
 56%
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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 (OLD NCERT) |
 67%
From NCERT
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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

Subtopic:  Pteridophytes: Heterospory |
 79%
From NCERT
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