2Apomictic embryos in Citrusarise from:a)Diploid eggb)Synergidsc)Maternal sporophytic tissue in ovuled)Antipdal cells

2Apomictic embryos in Citrusarise from:a)Diploid eggb)Synergidsc)Maternal sporophytic tissue in ovuled)Antipdal cells
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Maternal sporophytic tissue in ovule
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Apomictic embryos in Citrus arise from (a) synergids (b) maternal sporophytic tissue in ovule (c) antipodal cells (d) diploid egg.

Description : Apomictic embryos in Citrus arise from (a) synergids (b) maternal sporophytic tissue in ovule (c) antipodal cells (d) diploid egg.

Last Answer : (b) maternal sporophytic tissue in ovule

Maternal sporophytic tissue in ovule

Description : Maternal sporophytic tissue in ovule

Last Answer : Maternal sporophytic tissue in ovule

When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as

Description : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as

Last Answer : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as – Adventive embryony

When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Description : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as

Last Answer : When polyembryony is due to activation of some sporophytic cells of ovule, it is called as – Adventive polyembryony

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Description : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation is completed before 6 weeks of pregnancy .

Last Answer : Assertion : Placenta is combined structure of foetal tissue & maternal tissue Reason : Placenta formation ... . If both Assertion & Reason are False.

In cloning of cattle a fertilized egg is taken out of the mother’s womb and (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows (b) in the eight cell stage the individual cells are separated under electrical field for further development in culture media (c) from this upto eight identical twins can be produced (d) the egg is divided into 4 pairs of cells which are implanted into the womb of other cows.

Description : In cloning of cattle a fertilized egg is taken out of the mother's womb and (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the ... d) the egg is divided into 4 pairs of cells which are implanted into the womb of other cows.

Last Answer : (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows

Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising(a) genetically uniform population identical to the original parent (b) homozygous diploid plants (c) new species (d) variants through picking up somaclonal variations.

Description : Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance of the technique is in raising (a) genetically uniform population ... homozygous diploid plants (c) new species (d) variants through picking up somaclonal variations.

Last Answer : (a) genetically uniform population identical to the original parent

102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.

Description : 102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.

Last Answer : (a) being a diploid tissue

2. Perisperm and endosperm differ in a. Being a diploid tissue b. Being a haploid tissue c. Having no reserve food d. Formation of perisperm by fusion of the secondary nucleus with many sperms

Description : 2. Perisperm and endosperm differ in a. Being a diploid tissue b. Being a haploid tissue c. Having no reserve food d. Formation of perisperm by fusion of the secondary nucleus with many sperms

Last Answer : d. Formation of perisperm by fusion of the secondary nucleus with many sperms

What is the sporophytic generation of the Marchantia? -Biology

Description : What is the sporophytic generation of the Marchantia? -Biology

Last Answer : answer:

What is the sporophytic generation of the Marchantia? -Biology

Description : What is the sporophytic generation of the Marchantia? -Biology

Last Answer : answer:

A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris

Description : A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris

Last Answer : (c) Chlamydomonas

Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas have VAM. D. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. E. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte. (a) A, D and E (b) B, C and E (c) A, C and D (d) B, C and D

Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D

Last Answer : (a) A, D and E

During spermatogenesis, the diploid cells are

Description : During spermatogenesis, the diploid cells are

Last Answer : During spermatogenesis, the diploid cells are A. Primary spermatocyte and spermtogonium B. ... spermatid. D. Primary spermatocyte and spermatid.

$ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.

Description : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid.

Last Answer : $ Cyanobacterial cells are eukaryotic ! Prokaryotic cells are diploid. A. If both As and R are correct and R ... wrong D. If both As and R are wrong.

Which of the following cells during gametogeneis is normally diploid?

Description : Which of the following cells during gametogeneis is normally diploid?

Last Answer : Which of the following cells during gametogeneis is normally diploid? A. Spermatid B. Spermatogonia C. Secondary polar body D. Primary polary body

In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?

Description : In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?

Last Answer : Need answer

Are brain cells diploid cells?

Description : Are brain cells diploid cells?

Last Answer : yes

Are mitosis parent cells diploid or haploid?

Description : Are mitosis parent cells diploid or haploid?

Last Answer : diploid

What process produces diploid cells from haploid cells?

Description : What process produces diploid cells from haploid cells?

Last Answer : Meiosis produces haploid cells from a diploid cell

What kind of cells are diploid?

Description : What kind of cells are diploid?

Last Answer : All body or somatic cells are diploid. Only sex cells arehaploid.

When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.

Description : When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.

Last Answer : (a) tetraploidy

Which of the following cells during gametogenesis is normally diploid ? (a) Spermatogonia (b) Secondary polar body (c) Primary polar body (d) Spermatid

Description : Which of the following cells during gametogenesis is normally diploid ? (a) Spermatogonia (b) Secondary polar body (c) Primary polar body (d) Spermatid

Last Answer : (a) Spermatogonia

You discover a new species of a plant. You also discover that it produces motile sperms and dominant generation has diploid cells. It belongs to (1) Bryophyte (2) Angiosperm (3) Gymnosperm (4) Pteridophyte

Description : You discover a new species of a plant. You also discover that it produces motile sperms and dominant generation has diploid cells. It belongs to (1) Bryophyte (2) Angiosperm (3) Gymnosperm (4) Pteridophyte

Last Answer : 4) Pteridophyte

Unlike mitosis, meiosis results in the formation of a. diploid cells. b. haploid cells. c. 2N daughter cells. d. body cells.

Description : Unlike mitosis, meiosis results in the formation of a. diploid cells. b. haploid cells. c. 2N daughter cells. d. body cells.

Last Answer : b. haploid cells.

Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Description : Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Last Answer : (D) 46, diploid

When the diploid embryosac is formed from the cells of nucellus, it is known as

Description : When the diploid embryosac is formed from the cells of nucellus, it is known as

Last Answer : When the diploid embryosac is formed from the cells of nucellus, it is known as – Apospory

Organisms with cells containing two sets of parental chromosomes are called: a) diploid b) bisomal c) haploid d) autosomal

Description : Organisms with cells containing two sets of parental chromosomes are called: a) diploid b) bisomal c) haploid d) autosomal

Last Answer : ANSWER: A -- DIPLOID

What do you think of pro-life supporters who use pictures of aborted embryos to make a point?

Description : What do you think of pro-life supporters who use pictures of aborted embryos to make a point?

Last Answer : Cheap move. Below the belt. Debate with words, wits and good arguments, not shock images. It shows their intentions were not to convince or prove their statement, but to simply shock and nauseate the supposed ... was someone's child, or at the very best, it was a living being. Have some respect.

Are a woman's frozen eggs less viable than if those eggs are fertilized and preserved as embryos?

Description : Are a woman's frozen eggs less viable than if those eggs are fertilized and preserved as embryos?

Last Answer : answer:Good question. I was interested enough to go and have a look at this and it seems that fertilised eggs - embryos - are much easier to freeze/thaw than unfertilised eggs. It's to do with the ... this was happening now, this method could be offered. And, given the facts of this case, should be

What do scientists know about how the growth of embryos is coordinated?

Description : What do scientists know about how the growth of embryos is coordinated?

Last Answer : A good summary.

If you were seeking to get pregnant via in vitro fertilization, what would you do if you found out that the wrong embryos were implanted?

Description : If you were seeking to get pregnant via in vitro fertilization, what would you do if you found out that the wrong embryos were implanted?

Last Answer : I'm assuming that since I'm using in vitro, it's been hard for me to conceive. I'd let it go and keep the embryos that were implanted - the universe has a way of making these things happen even if ... want to see what kind of a relationship she'd want with me, the babies (if they are born), etc.

When will we be able to send frozen embryos to other star systems to colonize habitable extrasolar planets?

Description : When will we be able to send frozen embryos to other star systems to colonize habitable extrasolar planets?

Last Answer : i can not make a prediction, since we have not found any habitable planets we could send them to. then we would have to solve the problems of who is going to raise the seedlings ... means you need androids with Artificial Intelligence, as well as enough raw materials to start an initial colony.

What are the processes involved in the encapsulation of the somatic embryos? -Biology

Description : What are the processes involved in the encapsulation of the somatic embryos? -Biology

Last Answer : answer:

What are the processes involved in the encapsulation of the somatic embryos? -Biology

Description : What are the processes involved in the encapsulation of the somatic embryos? -Biology

Last Answer : answer:

Why three ways that an amniotic egg protects reptile embryos?

Description : Why three ways that an amniotic egg protects reptile embryos?

Last Answer : Need answer

Do embryos search for food outside the egg?

Description : Do embryos search for food outside the egg?

Last Answer : it makes my foot bigger

Do embryos search for their own food outside the egg.?

Description : Do embryos search for their own food outside the egg.?

Last Answer : No.

When does sexual differentiation happen in Embryos?

Description : When does sexual differentiation happen in Embryos?

Last Answer : What is the answer ?

Do embryos search for their own food outside the egg.?

Description : Do embryos search for their own food outside the egg.?

Last Answer : No.

Some snake embryos have small buds resembling limbs. These buds disappear at later stages of embryo development. These findings suggest that these snakes?

Description : Some snake embryos have small buds resembling limbs. These buds disappear at later stages of embryo development. These findings suggest that these snakes?

Last Answer : hi oops daddy chulo

A process of formation of somatic embryos from callus

Description : A process of formation of somatic embryos from callus

Last Answer : Ans. Embryogenesis

A culture of isolated mature or immature embryos

Description : A culture of isolated mature or immature embryos

Last Answer : Ans. Meristem culture

Vegetative embryos develops without fertilization

Description : Vegetative embryos develops without fertilization

Last Answer : Ans. Apomixis

The best example of multi embryos is

Description : The best example of multi embryos is

Last Answer : citrus

What is the most common nutritive tis- sue for the developing embryos in angiosperm known as?

Description : What is the most common nutritive tis- sue for the developing embryos in angiosperm  known as?

Last Answer : Endosperm

Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from microspores. (c) Somatic embryo is induced usually by an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Description : Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from ... an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Last Answer : (b) Somatic embryos can develop from microspores.

In which of the following techniques, the embryos are transferred to assist those females who cannot conceive? (a) ZIFT and IUT (b) GIFT and ZIFT (c) ICSI and ZIFT (d) GIFT and ICSI

Description : In which of the following techniques, the embryos are transferred to assist those females who cannot conceive? (a) ZIFT and IUT (b) GIFT and ZIFT (c) ICSI and ZIFT (d) GIFT and ICSI

Last Answer : a) ZIFT and IUT