Description : Functional megaspore in an angiosperm develops into ? (1) Endosperm (2) Embryo sac (3) Embryo (4) Ovule
Last Answer : (2) Embryo sac
Description : Megasporangium is equivalent to (a) nucellus (b) ovule (c) embryo sac (d) fruit
Last Answer : (b) ovule
Description : 4.A mature embryosac in angiosperm is formed from a megaspore mother cell by ------- cell divisions. (a) one mitosis and two meiosis, b)two mitosis and one meiosis, c)three mitosis and two meiosis d)three mitosis and one meiosis)
Last Answer : d)three mitosis and one meiosis)
Description : Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.
Last Answer : (c) embryo sac
Description : Embryo sac represents: (a) Megaspore (b) Megagamete (c) Megasporophyll (d) megagametophyte
Last Answer : Ans. ((d))
Description : Embryo sac represents (a) megaspore (b) megagametophyte (c) megasporophyll (d) megagamete.
Last Answer : b) megagametophyte
Description : $ Orthotropous ovule has micropyle at the upper end. ! Ovule is also called megasporangium.
Last Answer : $ Orthotropous ovule has micropyle at the upper end. ! Ovule is also called megasporangium. A. If both As ... is wrong D. If both As and R are wrong.
Description : The ovuliferous scale of Pinus is a part of ........... a) megasporophyll b) microsporophyll c) ovule d) dwarf shoot.
Last Answer : c) ovule
Description : In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.
Last Answer : a) embryo sac
Description : How many polar nuclei are in the ovule of the angiosperm? -Biology
Last Answer : answer:
Description : 126.Plant group with largest ovule, largest tree and largest gametes is (a) gymnosperm (b) angiosperm (c) bryophyta (d) pteridophyta.
Last Answer : a) gymnosperm
Description : What is a megaspore mother cell? -Biology
Description : Which of the following pair have haploid structures? (a) Nucellus and antipodal cells (b) Antipodal cells and egg cell (c) Antipodal cells and megaspore mother cell (d) Nucellus and primary endosperm nucleus
Last Answer : (b) Antipodal cells and egg cell
Description : Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells
Last Answer : d) Egg cell and antipodal cells
Description : In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.
Last Answer : (c) reduction division occurs in the megaspore mother cells
Description : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as
Last Answer : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as – Diplospory
Description : Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.
Last Answer : d) meiotic division.
Description : In an angiosperm, how many microspore mother cells are required to produce 100 pollen grains? (a) 75 (b) 100 (c) 25 (d) 50
Last Answer : (c) 25
Description : Distinguish between microsporophyll and megasporophyll.
Last Answer : Microsporophyll They are structures that produce the male gametes called microspores Megasporophyll They are structures that produce female structures called megaspores.
Description : What are microsporophyll and megasporophyll?
Last Answer : Microsporophylls are the numerous structures in the male cone of gymnosperms that produce the male gametes. Megasporophylls are the structures in the female cone of gymnosperms that produce ovule containing female gametes.
Description : 2 The basal cell in a zygote of angiosperm : a) Develops into the roots of the embryo b) Forms the suspensor that anchors the embryo ad transfers nutrients c) Results from the fertilization of ... and sperm nuclei and develops into the endosperm d) Divides to form the two cotyledons of the proembryo
Last Answer : ANS: b Forms the suspensor that anchors the embryo ad transfers nutrients
Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.
Last Answer : (c) the microsporangium in which pollen grains develop
Description : What is the ploidy level of a megaspore? -Biology
Description : Megaspore formation? -Biology
Description : What does a megaspore form? -Biology
Description : What does the megaspore of a conifer become? -Biology
Description : Difference between microspore and megaspore? -Biology
Description : What are their similarity between Microspore and Megaspore? -Biology
Description : Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal
Last Answer : Ans. ((c))
Description : Meiosis takes place in (a) gemmule (b) megaspore (c) meiocyte (d) conidia.
Last Answer : (c) meiocyte
Description : n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.
Last Answer : (b) megaspore, pollen grain and endosperm
Description : Microsporogenesis is the formation of : a) Microspore b) Megaspore c) Egg d) Embryo sac
Last Answer : Ans : a) Microspore
Description : Meiosis takes place in:a) Gemmule b) Megaspore c) Meiocyte d) Conidia
Last Answer : c) Meiocyte
Description : Vegetative propagation is Pistiaoccurs bya) StIn angiosperms, functional megaspore develops into:a) Embryo sacb) Ovulec) Endospermd) Pollen sacolenb) Offsetc) Runnerd) Sucker
Last Answer : Embryo sac
Description : For the technically minded, can anyone explain the rationale around the urge for television manufacturers to skimp on the audio quality of their products.
Last Answer : I would have thought it comes down to size. CRT’s had a bigger housing so there was more space for speakers. Bigger speakers produce more sound. Flat screen TV’s have a much smaller footprint and there seems to be a race to produce thinner and thinner displays leaving much less space for speakers.
Description : If they want to interview you, does that mean you already technically qualify?
Last Answer : It just means that they have selected your resume for an interview. You still have to demonstrate skills they want.
Description : Are Scotland and Ireland technically England?
Last Answer : No. Scotland, Wales and Northern Ireland are seperate countries with in the United Kingdom. UK and England are not interchangeble terms. Great Britain is the island made up of England, scotland and wales. Ireland is an entirely seperate country from the UK with different currency and everything.
Description : Am I technically a sugar daddy if the women are the same age or older?
Last Answer : Nope. You are not. That’s a more traditional relationship. Traditionally, people have relationships with others their age.
Description : Is Cancer technically a disease?
Last Answer : Some cancers are linked to viruses (such as cervical cancer caused by HPV), so those would definitely be diseases. I actually believe most cancers have external causes, so they would be diseases as well. Really, it depends on which definition of disease and disorder you look at.
Description : My iPhone just totally blacked (well technically white) out on me?
Last Answer : answer:The first thing to try is a hard reset. You hold down the top right button and the round indented one on the bottom SIMULTANEOUSLY until the apple logo appears on the screen. Then give it a few ... finishes it and goes to black, hit the bottom button and slide and it should be back to normal.
Description : Between Apple or Nokia, which has been more technically innovative?
Last Answer : As usual, Gruber has captured the essence of the issue: The big question about this dispute all along has been why Apple didn't just license Nokia's GSM/UMTS patents. Supposedly every other GSM ... just want licensing fees from Apple: they wanted cross-license rights to Apple's own iPhone patents.
Description : Technically, what is chi?
Last Answer : It is a universal form of energy that is thought to flow everywhere, and to be responsive to direction. Also transliterated as Qi.
Description : What technically defines brain "maturity" or "maturation"?
Last Answer : …Ask nikipedia.
Description : At what point does a discussion/disagreement technically turn into an argument?
Last Answer : Probably when it stops being about sharing ideas and views, and starts being about forcing those views through nastiness, fallacies, and personal attacks.
Description : Are two dogs with the same parents but not born in the same litter technically considered siblings?
Last Answer : nope. Never heard of that before. maybe this thread will enlighten me!
Description : Since we are all technically related somewhere down the line, how many generations down the line does it take for it not to be incest to sleep with that ancestor's descendant?
Last Answer : 5?
Description : Should you avoid getting a hotel room on the 14th floor of a building that has no 13th floor, because technically, you are still 13 floors above street level?
Last Answer : answer:And what if you’re in Europe, where they label the ground floor G, the second floor 1, etc. Do you avoid the 12th floor because it’s really the thirteenth? Or the so-called thirteenth floor because it’s labeled “13”? Oh, the challenges of our modern lives.
Description : What technically IS the effect of catnip on cats?
Last Answer : answer:Taken from this paper The response to catnip is characterized by sniffing, then licking and chewing with head shaking, followed by chin and cheek rubbing and then a headover roll and body rubbing (14). ... reaction to catnip but it has no reference on where a study' on this can be found.