Archegonia male or female -Biology

Archegonia male or female -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

Archegonia in gymnosperms. -Biology

Description : Archegonia in gymnosperms. -Biology

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Archegonia in mosses. -Biology

Description : Archegonia in mosses. -Biology

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Are fern archegonia haploid or diploid? -Biology

Description : Are fern archegonia haploid or diploid? -Biology

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What are archegonia? -Biology

Description : What are archegonia? -Biology

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What do archegonia produce? -Biology

Description : What do archegonia produce? -Biology

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Is archegonia haploid or diploid? -Biology

Description : Is archegonia haploid or diploid? -Biology

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Is archegonia present in conifers? -Biology

Description : Is archegonia present in conifers? -Biology

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What are archegonia? -Biology

Description : What are archegonia? -Biology

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What do archegonia produce? -Biology

Description : What do archegonia produce? -Biology

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Is archegonia haploid or diploid? -Biology

Description : Is archegonia haploid or diploid? -Biology

Last Answer : answer:

Is archegonia present in conifers? -Biology

Description : Is archegonia present in conifers? -Biology

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$ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under the effect of chemicals.

Description : $ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under the effect of chemicals.

Last Answer : $ Sperm in Bryophytes are flagellated. ! Sperms in bryophytes move to the mature and dehisced archegonia, under ... D. If both As and R are wrong.

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))

What are antheridia and archegonia?

Description : What are antheridia and archegonia?

Last Answer : Antheridia are the male gamete producing structures in bryophytes/pteridophytes Archegonia are the female gamete producing structures in bryophytes/pteridophytes.

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and apical meristem (c) Absence of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Description : Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and ... of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Last Answer : (d) Presence of vessel elements and absence of archegonia

.Which one of the following pairs is wrongly matched? (a) Ginkgo – Archegonia (b) Salvinia – Prothallus (c) Viroids – RNA (d) Mustard – Synergids

Description : .Which one of the following pairs is wrongly matched? (a) Ginkgo – Archegonia (b) Salvinia – Prothallus (c) Viroids – RNA (d) Mustard – Synergids

Last Answer : (b) Salvinia – Prothallus

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

Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Description : Which one is a wrong statement? (a) Haploid endosperm is typical feature of Gymnosperms. (b) Brown algae have chlorophyll a and c and fucoxanthin. (c) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms. (d) Mucor has biflagellate zoospores

Last Answer : (d) Mucor has biflagellate zoospores

Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as (a) Pteris archegonia repel Funaria sperms (b) Funaria sperms get killed by Pteris sperms (c) Funaria sperms are less mobile (d) Pteris archegonia release chemical to attract its sperms.

Description : Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as (a) Pteris archegonia repel Funaria sperms (b) Funaria sperms get ... (c) Funaria sperms are less mobile (d) Pteris archegonia release chemical to attract its sperms.

Last Answer : (d) Pteris archegonia release chemical to attract its sperms.

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

Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations

Description : Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations

Last Answer : (a) vascular tissues

In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.

Description : In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.

Last Answer : (a) spore formation

Bryophytes can be separated from algae, because they (a) possess archegonia (b) contain chloroplast (c) are thalloid forms (d) have no conducting tissue

Description : Bryophytes can be separated from algae, because they (a) possess archegonia (b) contain chloroplast (c) are thalloid forms (d) have no conducting tissue

Last Answer : (a) possess archegonia

Which of the following is true about bryophytes? (a) They are thalloid. (b) They posses archegonia. (c) They contain chloroplast. (d) All of these

Description : Which of the following is true about bryophytes? (a) They are thalloid. (b) They posses archegonia. (c) They contain chloroplast. (d) All of these

Last Answer : (d) All of these

In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation. -Biology

Description : In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation. -Biology

Last Answer : If a Y bearing sperm fertilizes the egg, the zygote will be a male (XY) and when X bearing sperm fertilizes the egg, the resulting zygote will be female (XX). Since the ratio of the X chromosome ... in a male gamete is 50:50. The statistical probability of male or female infants is also 50:50.

In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Description : In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Last Answer : The number of chromosome in the female gamete would be same as that in the male gamete, i.e., it will have 24 chromosomes. The number of chromosome in the zygote would be double the number present in the gamete and hence, it would be 48.

List all homologous structure of human male and female reproductive system. -Biology

Description : List all homologous structure of human male and female reproductive system. -Biology

Last Answer : answer:

Name the male and female gametophytes in flowering plants -Biology

Description : Name the male and female gametophytes in flowering plants -Biology

Last Answer : answer:

Name the male and female gametophytes in flowering plants -Biology

Description : Name the male and female gametophytes in flowering plants -Biology

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gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

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gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Description : gymnosperms are heterosporus. but Cycas bears both male and female on one tree. how? -Biology

Last Answer : answer:

What else is good to use other than "man and woman", or "female and male" or "boy and girl"?

Description : What else is good to use other than "man and woman", or "female and male" or "boy and girl"?

Last Answer : Predator? What is there about “female and male” that suggests “Predator” in your mind, @flo?

If asking "Is it wrong to .... "(fill in the blank), why would the question specify male or female, etc.?

Description : If asking "Is it wrong to .... "(fill in the blank), why would the question specify male or female, etc.?

Last Answer : Not specifically, no.

What does the other side say about male, female, transgender?

Description : What does the other side say about male, female, transgender?

Last Answer : Whoever came up with that bullshit should not discuss gender issues anymore. They probably shouldn’t be left with kids either.

Could you decide whether a person is a male or a female just by reading their messages?

Description : Could you decide whether a person is a male or a female just by reading their messages?

Last Answer : I don’t know why but ladies over here thought I’m a female / couldn’t decide whether male or female. I came to know about this confusion couple of days back. I think I can guess them pretty well. Can’t be 100℅ sure though.

To female Democrats: can you name one male Republican you find attractive?

Description : To female Democrats: can you name one male Republican you find attractive?

Last Answer : The problem is, we passed “looks alone” when a political affiliation was mentioned.

In the future, what, if any, would the US have first, a woman President, straight Asian male or female, or a gay or Bi male President?

Description : In the future, what, if any, would the US have first, a woman President, straight Asian male or female, or a gay or Bi male President?

Last Answer : How about an openly atheist president?

Why are there so much more male to female trans-gendered than women becoming men?

Description : Why are there so much more male to female trans-gendered than women becoming men?

Last Answer : Probably because men are driven by their sexual urges more than women are.

How do I determine the correct female clothing size as a male?

Description : How do I determine the correct female clothing size as a male?

Last Answer : answer:How do I determine the correct female clothing size as a female? Women’s sizing is a freaking nightmare. Can you go into a local Hot Topic and try on comparable (same brand and style) hoodies?

When having a Dr. appointment for a physical does it or would it bother you whether you have a male or female Dr?

Description : When having a Dr. appointment for a physical does it or would it bother you whether you have a male or female Dr?

Last Answer : answer:My GP is a female and I am fine with it. I actually prefer it since women seem to be less judgmental. I also always took math classes in college with female professors since they seemed ... my bits and no awkward boners. And my downstairs is currently running at 100% thanks to female doctors.

The younger woman thing- How much do you think that stereotype is driven by male desire and how much do you believe is driven by female expectations?

Description : The younger woman thing- How much do you think that stereotype is driven by male desire and how much do you believe is driven by female expectations?

Last Answer : Both sexes have fallen for the stereotype. Ignore them all and go with your gut.

You accidentally lock yourself out of your own house NAKED at noon tomorrow. How old are you, male/female and how embarrassed on a scale of 1 to 10?

Description : You accidentally lock yourself out of your own house NAKED at noon tomorrow. How old are you, male/female and how embarrassed on a scale of 1 to 10?

Last Answer : Forget locking myself out, What in the hell am I doing outside at noon in my birthday suit in the first place that is what I want to know. Blush??? The freakin neighbours would think I was on drugs being outside in the buff at that time of day.

In cases where a person has surgery to go from male to female should insurance companies be compelled to cover mammograms?

Description : In cases where a person has surgery to go from male to female should insurance companies be compelled to cover mammograms?

Last Answer : answer:Interesting question. Where it fails is that men are susceptible to breast cancer as well as women; it's just less common. If the transgender female has insurance, why shouldn't she be ... issue when it comes to getting a mammogram, especially if there is any concern about breast cancer.

Do you prefer a Male or Female doctor, is it important to you or not ?

Description : Do you prefer a Male or Female doctor, is it important to you or not ?

Last Answer : I prefer older (50+) male doctors, but I’m not sure why. Just do. I wouldn’t refuse to see a female doctor; it’s just not my preference.

What are the reasons that so many male gamers choose to play female characters/avatars?

Description : What are the reasons that so many male gamers choose to play female characters/avatars?

Last Answer : Because gaming is gay, man.

What does an alpha male and female look like when compared to the omega man/woman?

Description : What does an alpha male and female look like when compared to the omega man/woman?

Last Answer : I guess part of it is luck. To be alpha, obviously you need to be at least decent looking, and then the confidence is up to the person themselves.

Considering the differences between male and female pelvises, can men Twerk?

Description : Considering the differences between male and female pelvises, can men Twerk?

Last Answer : I couldn’t twerk if a million dollars were on the line. I have small buns which are not prehensile.

If you are a gay couple and won a trip or cruise but it was clear the setup was for male/female couples would you still go?

Description : If you are a gay couple and won a trip or cruise but it was clear the setup was for male/female couples would you still go?

Last Answer : I would. A male/male or female/female couple is every bit as legit as a male/female couple.

Do you think that society views male virginity differently from female virginity?

Description : Do you think that society views male virginity differently from female virginity?

Last Answer : I think it's kinda sweet myself, but yes, I think a lot of people think male virgins past a certain age are either total nerds or complete social losers, really sad. Females I think, can still ... for being a 40 year old virgin. Of course there can also religious beliefs factoring in for both too.