What is a gametophyte?

What is a gametophyte? 
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Ans: It is a plant body which produces male and female gametes. 
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List out the general characters of Chlorophyceae.

Description : List out the general characters of Chlorophyceae. 

Last Answer : Ans: Green algae occur in diverse habitats. They may be terrestrial, Epiphytic, Epizoic, Endozoic and parasitic.  They may be unicellular motile, non motile colonial, filamentous, branched ... . Asexual reproduction by spores. Sexual reproduction takes place by isogamy, anisogamy or oogamy

Why bryophytes are called amphibians of the plant kingdom?

Description : Why bryophytes are called amphibians of the plant kingdom? 

Last Answer : Ans: Bryophytes live on land but they produce motile sperms which require water for swimming during fertilization. 

How would you distinguish Monocots from Dicots?

Description : How would you distinguish Monocots from Dicots?  

Last Answer : MONOCOTS DICOTS 1. Fibrous root system. 2. Seeds with a single cotyledon. 3. Parallel Venation 4. Vascular bundles are scattered irregularly. 5. Cambium absent.   1. Tap root ... cotyledons 3. Reticulate Venation. 4. Vascular bundles are arranged in a ring. 5. Cambium present

Distinguish between homosporous and heterosporous condition in pteridophytes.

Description : Distinguish between homosporous and heterosporous condition in pteridophytes. 

Last Answer : Ans: Majority of pteridophytes are homosporous.All spores produced od similar type. Example: Psilotum Heterosporous pteridophytes produce macro and microspores. Example: Selaginella. 

Distingush between Brown algae and red algae.

Description : Distingush between Brown algae and red algae.  

Last Answer : BROWN ALGAE  RED ALGAE  1. Chlorophyll a and chlorophyll c is present.   1. Chlorophyll a and chlorophyll d is present. 2. Fucoxanthin is present  2. Fucoxanthin is ... Reserve food material is mannitol and laminarin.   4. Reserve food material is floridean starch.  

Distinguish between Green algae and brown algae.

Description : Distinguish between Green algae and brown algae.

Last Answer : GREEN ALGAE BROWN ALGAE   1. Mostly fresh water.  1. Mostly marine.  2. Chlorophyll a and chlorophyll b present.   2. Chlorophyll a and chlorophyll c present.  3. Fucoxanthin ... present.  4. Reserve food material is starch.   4. Reserve food material is laminarin. 

What are epiphytes?

Description : What are epiphytes? 

Last Answer : Ans: Plants that grow upon other plants are called Epiphytes. 

What is a sporophyte?

Description : What is a sporophyte? 

Last Answer : Ans: It is a plant body which produces spores. 

Give one example of Lycopsida.

Description : Give one example of Lycopsida. 

Last Answer : Ans: Lycopodium. 

Why bryophytes are called non vascular Cryptogams?

Description : Why bryophytes are called non vascular Cryptogams? 

Last Answer : Ans: Bryophytes do not contain Xylem and phloem tissues so they are non vascular and do not produce visible flowers. So they are Cryptogams.

Why the sporophyte of gymnosperm is heterosporous?

Description : Why the sporophyte of gymnosperm is heterosporous?  

Last Answer : Ans: Sporophyte produces two types of spores like smaller micro spores and larger mega spores so it is heterosporous.  

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. 

Name a parasitic angiosperm.

Description : Name a parasitic angiosperm.  

Last Answer : Ans: Cuscuta. 

Name a gymnosperm with vessels in the Xylem.

Description : Name a gymnosperm with vessels in the Xylem. 

Last Answer : Ans: Gnetum. 

What does Embryophyta Siphonogama refer to?

Description : What does Embryophyta Siphonogama refer to? 

Last Answer : Ans: Embryo producing plants where pollen tube carries male gametes.

Which phase predominent in the life cycle of Pteridophytes?

Description : Which phase predominent in the life cycle of Pteridophytes?

Last Answer : Ans: Diploid Sporophyte. 

What are Cryptogams?

Description : What are Cryptogams? 

Last Answer : Ans: Plants in which reproductive structures are embedded in the plant body and do not bear flowers or seeds. 

Which phase is predominent in the life cycle of bryophyte?

Description : Which phase is predominent in the life cycle of bryophyte? 

Last Answer : Ans: Gametophyte. 

What is Thallus?

Description : What is Thallus? 

Last Answer : Ans: Dorsiventrally flattened plant body without root stem and leaf differentiation is called Thallus. 

Name the amphibians of the plant kingdom.

Description : Name the amphibians of the plant kingdom. 

Last Answer : Ans: Bryophytes

Name the photosynthetic product in brown algae.

Description : Name the photosynthetic product in brown algae.  

Last Answer : Ans: Mannitol 

Who prospered the five kingdom system of classification?

Description : Who prospered the five kingdom system of classification? 

Last Answer : Ans: Robert .H.Whittaker

Define phycology.

Description : Define phycology. 

Last Answer : Ans: The branch of biology dealing with the study of algae is called Phycology.

Which is the anti coagulant obtained from brown algae?

Description : Which is the anti coagulant obtained from brown algae?

Last Answer : Ans: Sodium laminarin sulphateobtained from Laminaria is an effective blood anti coagulant.  

Which algae is called sea palm?

Description : Which algae is called sea palm? 

Last Answer : Ans: Postelsia palmaeformis 

To which class of bryophyte does polytrichum belong?

Description : To which class of bryophyte does polytrichum belong? 

Last Answer : Ans: Bryopsida(Musci)  

Which is the parasitic green algae that cause rust disease in tea and coffee plants?

Description : Which is the parasitic green algae that cause rust disease in tea and coffee plants? 

Last Answer : Ans: Cephaleuros virescens

What is the reproductive advantage of Coniferous trees to drop their gametophyte containing pine cones during the winter?

Description : What is the reproductive advantage of Coniferous trees to drop their gametophyte containing pine cones during the winter?

Last Answer : So they're on the ground in the spring, when the have the best chance of beating out the smallish ground cover before they grow too big. If you're looking at a relatively mature forest, the saplings ... the ground cover, but if the ground cover were already there, they wouldn't make it above it.

Explain development of female gametophyte in a flowering plant. -Biology

Description : Explain development of female gametophyte in a flowering plant. -Biology

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Difference between sporophyte and gametophyte -Biology

Description : Difference between sporophyte and gametophyte -Biology

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Why is the sporophyte dependent on the gametophyte? -Biology

Description : Why is the sporophyte dependent on the gametophyte? -Biology

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When is gametophyte dependent on sporophyte? -Biology

Description : When is gametophyte dependent on sporophyte? -Biology

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When does the sporophyte and gametophyte generation begin? -Biology

Description : When does the sporophyte and gametophyte generation begin? -Biology

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Why is gametophyte dominant in moss? -Biology

Description : Why is gametophyte dominant in moss? -Biology

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Why is the gametophyte generation considered haploid? -Biology

Description : Why is the gametophyte generation considered haploid? -Biology

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Strobilus gametophyte or sporophyte -Biology

Description : Strobilus gametophyte or sporophyte -Biology

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Which is the structure in which the female gametophyte develops? -Biology

Description : Which is the structure in which the female gametophyte develops? -Biology

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In pines the female gametophyte contains? -Biology

Description : In pines the female gametophyte contains? -Biology

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Why is the embryo sac called the female gametophyte? -Biology

Description : Why is the embryo sac called the female gametophyte? -Biology

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Is protonema gametophyte or sporophyte? -Biology

Description : Is protonema gametophyte or sporophyte? -Biology

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Is protonema gametophyte or sporophyte? -Biology

Description : Is protonema gametophyte or sporophyte? -Biology

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are bryophyte spores part of the sporophyte or gametophyte generation? how about fern spores? -Biology

Description : are bryophyte spores part of the sporophyte or gametophyte generation? how about fern spores? -Biology

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are bryophyte spores part of the sporophyte or gametophyte generation? how about fern spores? -Biology

Description : are bryophyte spores part of the sporophyte or gametophyte generation? how about fern spores? -Biology

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$ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous.

Description : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous.

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$ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes.

Description : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes.

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Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

Description : Compare the gametophyte and sporophyte of Bryophytes with that of Pteridophytes.

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Are the leafy plants part of the sporophyte or the gametophyte generation?

Description : Are the leafy plants part of the sporophyte or the gametophyte generation?

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Why sexual and asexual ulva plant are called as sporophyte gametophyte?

Description : Why sexual and asexual ulva plant are called as sporophyte gametophyte?

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In a moss the gametophyte stage depends on the sporophyte stage for nutrients.?

Description : In a moss the gametophyte stage depends on the sporophyte stage for nutrients.?

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