Structure of the mature antheridium in the genus Riccia? -Biology

Structure of the mature antheridium in the genus Riccia? -Biology
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Structure of the mature antheridium in the genus Riccia? -Biology

Description : Structure of the mature antheridium in the genus Riccia? -Biology

Last Answer : answer:

Which one of the following is wrong about Chara? (a) Upper oogonium and lower round antheridium (b) Globule and nucule present on the same plant (c) Upper antheridium and lower oogonium (d) Globule is male reproductive structure

Description : Which one of the following is wrong about Chara? (a) Upper oogonium and lower round antheridium (b) Globule and nucule present on the same plant (c) Upper antheridium and lower oogonium (d) Globule is male reproductive structure

Last Answer : (c) Upper antheridium and lower oogonium

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Description : Name the class to which Riccia belongs. -Biology

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Description : What is made in the antheridium? -Biology

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Relationship between an antheridium and an antheridiophore? -Biology

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Relationship between an antheridium and an antheridiophore? -Biology

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Antheridium and archegonium in marchantia? -Biology

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Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra

Description : Flagellated male gametes are present in all the three of which one of the following sets? (a) Zygnema, Saprolegnia and Hydrilla (b) Fucus, Marsilea and Calotropis (c) Riccia, Dryopteris and Cycas (d) Anthoceros, Funaria and Spirogyra

Last Answer : (c) Riccia, Dryopteris and Cycas

Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? A B C D (a) Chara Marchantia Fucus Pinus (b) Equisetum Ginkgo Selaginella Lycopodium (c) Selaginella Equisetum Salvinia Ginkgo (d) Funaria Adiantum Salvinia Riccia

Description : Examine the figures A, B, C and D. In which one of the four options all the items A, B, C and D are correct? A B C D (a) Chara Marchantia Fucus Pinus (b) Equisetum Ginkgo Selaginella Lycopodium (c) Selaginella Equisetum Salvinia Ginkgo (d) Funaria Adiantum Salvinia Riccia

Last Answer : (c) Selaginella Equisetum Salvinia Ginkgo

Read the following five statements (A – E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C) The sporophyte in Riccia is more developed than that in Polytrichum. (D) Sexual reproduction in Volvox is isogamous. (E) The spores of slime moulds lack cell walls. How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One

Description : Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C ... . How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One

Last Answer : (d) One

Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya

Description : Protonema occurs in the life cycle of (a) Riccia (b) Funaria (c) Anthoceros (d) Spirogya

Last Answer : (b) Funaria

Elater mechanism for spore dispersal is exhibited by (a) liverworts (b) Marchantia (c) Riccia (d) Funaria.

Description : Elater mechanism for spore dispersal is exhibited by (a) liverworts (b) Marchantia (c) Riccia (d) Funaria.

Last Answer : b) Marchantia

Which of the following is responsible for peat formation? (a) Marchantia (b) Riccia (c) Funaria (d) Sphagnum

Description : Which of the following is responsible for peat formation? (a) Marchantia (b) Riccia (c) Funaria (d) Sphagnum

Last Answer : (d) Sphagnum

Name the organ that fixes the plant body of Riccia to the soil.

Description :  Name the organ that fixes the plant body of Riccia to the soil.  

Last Answer : Ans: Rhizoid.  

Name the class to which Riccia belongs.

Description : Name the class to which Riccia belongs.  

Last Answer : Ans: Hepaticopsida. 

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What is the structure of mature gemmae? -Biology

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In bryoph4tes the female sex organ is called: (a) Archegonium (b) Antheridium (c) Carpogonium (d) Ascogonium

Description : In bryoph4tes the female sex organ is called: (a) Archegonium (b) Antheridium (c) Carpogonium (d) Ascogonium

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The sexual reproductive organs of aspergillus are – (1) Spermatium and Oogonium (2) Antheridium and Oogonium (3) Spermatium and Ascogonium (4) Antheridium and Ascogonium

Description : The sexual reproductive organs of aspergillus are – (1) Spermatium and Oogonium (2) Antheridium and Oogonium (3) Spermatium and Ascogonium (4) Antheridium and Ascogonium

Last Answer : (4) Antheridium and Ascogonium Explanation: Sexual reproduction in Aspergillus is rare and takes place in favourable conditfons. Sex organs are produced on the same mycelium which has produced conidia. Male ... of archicarp as a result of which they become spirally coiled and their tips get fused.

Monoecious plant of Chara shows occurrence of (a) upper antheridium and lower oogonium on the same plant (b) upper oogonium and lower antheridium on the same plant (c) antheridiophore and archegoniophore on the same plant (d) stamen and carpel on the same plant.

Description : Monoecious plant of Chara shows occurrence of (a) upper antheridium and lower oogonium on the same plant (b) upper oogonium and lower antheridium on the same plant (c) antheridiophore and archegoniophore on the same plant (d) stamen and carpel on the same plant.

Last Answer : (b) upper oogonium and lower antheridium on the same plant

Which one of the following is wrong about Chara?a)Globule is male reproductive structureb)Upper oogonium and lower round antheridiumc)Globule and nucule present on the same plantd)Upper antheridium and lower oogonium

Description : Which one of the following is wrong about Chara?a)Globule is male reproductive structureb)Upper oogonium and lower round antheridiumc)Globule and nucule present on the same plantd)Upper antheridium and lower oogonium

Last Answer : )Upper antheridium and lower oogonium

Monoecious plant of Chara shows occurrence of:a)Upper antheridium and lower oogonium on the same plant b)Upper oogonium and lower antheridium on the same plant c)Antheridiophore and archegoniophore on the same plantd)Stamen and carpel on the same plan

Description : Monoecious plant of Chara shows occurrence of:a)Upper antheridium and lower oogonium on the same plant b)Upper oogonium and lower antheridium on the same plant c)Antheridiophore and archegoniophore on the same plantd)Stamen and carpel on the same plan

Last Answer : b)Upper oogonium and lower antheridium on the same plant

The sexual reproductive organs of aspergillus are : (1) Spermatium and Oogonium (2) Antheridium and Oogonium (3) Spermatium and Ascogonium (4) Antheridium and Ascogonium

Description : The sexual reproductive organs of aspergillus are : (1) Spermatium and Oogonium (2) Antheridium and Oogonium (3) Spermatium and Ascogonium (4) Antheridium and Ascogonium

Last Answer : Antheridium and Ascogonium

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