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

Which is the structure in which the female gametophyte develops? -Biology
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Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte lacks archegonia (c) megaspores possess endosperm and embryo surrounded by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.

Description : Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because (a) female gametophyte is free and gets dispersed like seeds (b) female gametophyte ... by seed coat (d) embryo develops in female gametophyte which is retained on parent sporophyte.

Last Answer : (b) female gametophyte lacks archegonia

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

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

Last Answer : answer:

In pines the female gametophyte contains? -Biology

Description : In pines the female gametophyte contains? -Biology

Last Answer : answer:

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

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

Last Answer : answer:

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

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

Last Answer : $ Rhizoids of female gametophyte of selaginella are multicellular. ! Selaginella is homosporous. A. If both As ... D. If both As and R are wrong.

Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Description : Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

Last Answer : (c) embryo sac

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

Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and archegoniophores are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Description : Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and ... are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Last Answer : (d) Origin of seed habit can be traced in pteridophytes.

Name the parts of angiospermic flowers in which development of male and female gametophyte takes place.

Description : Name the parts of angiospermic flowers in which development of male and female gametophyte takes place.

Last Answer : Ans: Anther and Ovary

What is meant by monosporic development of female gametophyte?

Description : What is meant by monosporic development of female gametophyte?

Last Answer : Ans: The method of embryo sac formation from single megaspore is called monosporic development.

In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Description : In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Last Answer : Ans: c)Embryo sac

Female gametophyte of Gnetum follows the developmental pattern of ..... a) tetrasporic type b) bisporic type c) monosporic type d) none of the above.

Description : Female gametophyte of Gnetum follows the developmental pattern of ..... a) tetrasporic type b) bisporic type c) monosporic type d) none of the above.

Last Answer : a) tetrasporic type

85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Description : 85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Last Answer : Origin of seed habit can be traced in pteridophytes

In some plants, the female gamete develops into embryo without fertilisation. This phenomenon is known as (a) parthenogenesis (b) autogamy (c) parthenocarpy (d) syngamy.

Description : In some plants, the female gamete develops into embryo without fertilisation. This phenomenon is known as (a) parthenogenesis (b) autogamy (c) parthenocarpy (d) syngamy.

Last Answer : (a) parthenogenesis

NAME THE PHENOMENON AND ONE BIRD WHERE THE FEMALE GAMETE DIRECTLY DEVELOPS INTO A NEW ORGANISM.

Description : NAME THE PHENOMENON AND ONE BIRD WHERE THE FEMALE GAMETE DIRECTLY DEVELOPS INTO A NEW ORGANISM.

Last Answer : ANS. PARTHENOGENESIS, TURKEY.

A programmer is writing a system that is intended to be able to store large amounts of personal data. As the programmer develops the data system, which of the following is LEAST likely to impact the programmer’s choices in designing the structure of the system? A. Maintaining privacy of the information stored in the data set. B. Scalability of the system. C. Structuring the metadata of the information for analysis. D. The frequency of a particular item occurring in a data set.

Description : A programmer is writing a system that is intended to be able to store large amounts of personal data. As the programmer develops the data system, which of the following is LEAST likely to impact the ... of the information for analysis. D. The frequency of a particular item occurring in a data set.

Last Answer : D. The frequency of a particular item occurring in a data set.

Difference between sporophyte and gametophyte -Biology

Description : Difference between sporophyte and gametophyte -Biology

Last Answer : answer:

Why is the sporophyte dependent on the gametophyte? -Biology

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

Last Answer : answer:

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

Last Answer : answer:

Why is the gametophyte generation considered haploid? -Biology

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

Last Answer : answer:

Strobilus gametophyte or sporophyte -Biology

Description : Strobilus gametophyte or sporophyte -Biology

Last Answer : answer:

Is protonema gametophyte or sporophyte? -Biology

Description : Is protonema gametophyte or sporophyte? -Biology

Last Answer : answer:

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

Last Answer : answer:

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.

$ 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.

Last Answer : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes. A. If both As ... wrong D. If both As and R are wrong.

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

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

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

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?

Last Answer : Feel Free to Answer

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

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

Last Answer : What is the answer ?

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.?

Last Answer : What is the answer ?

Development of Sporophyte from gametophyte tissue without fusion of gametes is: (a) Apospory (b) Apogamy (c) Apomixis (d) Parthenogenesis

Description : Development of Sporophyte from gametophyte tissue without fusion of gametes is: (a) Apospory (b) Apogamy (c) Apomixis (d) Parthenogenesis

Last Answer : Ans. ((b))

A fern differ from a moss in prossessing: (a) Swimming/flagellated anitherozoids (b) Flask-shaped archegonia (c) Independent Sporophyte (d) Independent gametophyte

Description : A fern differ from a moss in prossessing: (a) Swimming/flagellated anitherozoids (b) Flask-shaped archegonia (c) Independent Sporophyte (d) Independent gametophyte

Last Answer : Ans. ((c))

Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Description : Development of saprophyte from gametophyte, is called (a) Apomixis (b) Apospory (c) Apogamy (d) Dip1ospory

Last Answer : Ans. ((c))

The gametophyte is called prothallus in (1) Pteridophyta (2) Bryophyta (3) Sperrnatophyta (4) Thallophyta

Description : The gametophyte is called prothallus in (1) Pteridophyta (2) Bryophyta (3) Sperrnatophyta (4) Thallophyta

Last Answer : (1) Pteridophyta Explanation: Prothallus is usually the gametophyte stage in the life of a fern or other pteridophyte. The prothallium develops from a germinating spore. It is a short-lived and inconspicuous heart-shaped structure.

Mention the differences between gametophyte and sporophyte.

Description : Mention the differences between gametophyte and sporophyte.

Last Answer : Gametophyte 1. It is gamete producing structure 2. It is haploid 3. It is capable of photosynthesis & can lead independent life Sporophyte 1. It is spore producing structure 2. It is diploid 3. It depends on gametophyte

What is gametophyte?

Description : What is gametophyte?

Last Answer : The adult plant body of a bryophyte which produces male and female gametes is called gametophyte.

A sexual cell in plants is called a. Gamete b. Gametophyte c. Gamopetalous d. Gamosepalous

Description : A sexual cell in plants is called a. Gamete b. Gametophyte c. Gamopetalous d. Gamosepalous

Last Answer : Gamete

.Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. It is (a) apospory (b) apogamy (c) parthenocarpy (d) parthenogenesis.

Description : .Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. It is (a) apospory (b) apogamy (c) parthenocarpy (d) parthenogenesis.

Last Answer : (b) apogamy

Formation of gametophyte directly from sporophyte without meiosis is (a) apospory (b) apogamy (c) parthenogenesis (d) amphimixis.

Description : Formation of gametophyte directly from sporophyte without meiosis is (a) apospory (b) apogamy (c) parthenogenesis (d) amphimixis.

Last Answer : (a) apospory

Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Description : Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Last Answer : b) three celled pollen grain

Male gametophyte of angiosperms/monocots is (a) microsporangium (b) nucellus (c) microspore (d) stamen

Description : Male gametophyte of angiosperms/monocots is (a) microsporangium (b) nucellus (c) microspore (d) stamen

Last Answer : (c) microspore

Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Description : Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Last Answer : (c) two sperms and a vegetative cell

Which one has the largest gametophyte? (a) Cycas (b) Angiosperm (c) Selaginella (d) Moss

Description : Which one has the largest gametophyte? (a) Cycas (b) Angiosperm (c) Selaginella (d) Moss

Last Answer : (d) Moss

What is common in all the three, Funaria, Dryopteris and Ginkgo? (a) Presence of archegonia (b) Well developed vascular tissues (c) Independent gametophyte (d) Independent sporophyte

Description : What is common in all the three, Funaria, Dryopteris and Ginkgo? (a) Presence of archegonia (b) Well developed vascular tissues (c) Independent gametophyte (d) Independent sporophyte

Last Answer : (a) Presence of archegonia

In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia

Description : In which of the following, gametophyte is not independent free living? (a) Pteris (b) Pinus (c) Funaria (d) Marchantia

Last Answer : (b) Pinus

Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.

Description : Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.

Last Answer : (b) well developed vascular system