why the seed has an embryo and not zygote? -Biology

why the seed has an embryo and not zygote? -Biology
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why the seed has an embryo and not zygote? -Biology

Description : why the seed has an embryo and not zygote? -Biology

Last Answer : answer:

Each new sex cell is called a. Gamete b. embryo c. zygote d. -----

Description : Each new sex cell is called a. Gamete b. embryo c. zygote d. -----

Last Answer : Gamete

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage(c) Embryo of 32 cell stage (d) Zygote only

Description : In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage (c) Embryo of 32 cell stage (d) Zygote only

Last Answer : (b) Either zygote or early embryo upto 8 cell stage

The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Description : The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Last Answer : (c) morula

Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Description : Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Last Answer : b) zygote into the fallopian tube

.In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Description : .In a type of apomixis known as adventive embryony, embryos develop directly from the (a) nucellus or integuments (b) zygote (c) synergids or antipodals in an embryo sac (d) accessory embryo sacs in the ovule

Last Answer : (a) nucellus or integuments

Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Description : Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Last Answer : (a) Ovules develop into embryo sac.

In human beings after fertilisation , the structure which gets embedded in the wall of uterus is a) ovum b)embryo c)foetus d)zygote

Description : In human beings after fertilisation , the structure which gets embedded in the wall of uterus is a) ovum b)embryo c)foetus d)zygote

Last Answer : b)embryo

3. In IVF technique zygote or early embryo is transferred into a. Cervical canal b. Uterus c. Fallopian tube d. Vagina

Description : 3. In IVF technique zygote or early embryo is transferred into a. Cervical canal b. Uterus c. Fallopian tube d. Vagina

Last Answer : c. Fallopian tube

Which of the following nourishes a developing seed? a) pollen tube b) nectar c) endosperm d) zygote

Description : Which of the following nourishes a developing seed? a) pollen tube b) nectar c) endosperm d) zygote

Last Answer : ANSWER: C -- ENDOSPERM

Write two precautions to be taken while identifying different parts of an embryo of a dicot seed. -Science

Description : Write two precautions to be taken while identifying different parts of an embryo of a dicot seed. -Science

Last Answer : (i) The slide should be properly focused. (ii) Slide should be observed first under low-power magnification and then under high-power magnification of the compound microscope.

What precautions will you take while doing the study of different parts of an embryo of a dicot seed?

Description : What precautions will you take while doing the study of different parts of an embryo of a dicot seed?

Last Answer : What precautions will you take while doing the study of different parts of an embryo of a dicot seed?

What does embryo the cotyledon and the seed coat do?

Description : What does embryo the cotyledon and the seed coat do?

Last Answer : Feel Free to Answer

The emergence and development of seedlings from the seed-embryo under favourable condition

Description : The emergence and development of seedlings from the seed-embryo under favourable condition

Last Answer : Ans. Germination

A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Description : A fertilized ovule consisting of intact embryo, stored food and seed-coat which is viable and has got the capacity to germinate

Last Answer : Ans. Seed

Polyploidy level in embryo and endosperm of seed

Description : Polyploidy level in embryo and endosperm of seed

Last Answer : Ans. 3n

Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit

Description : Maize grain is (a) A seed (b) An embryo (c) An ovule (d) A fruit

Last Answer : Ans:(d)

Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration

Description : Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration

Last Answer : Pre mature germination

The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

Description : The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

Last Answer : Endosperm

Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo

Description : Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo

Last Answer : Fruit

Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above

Description : Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above

Last Answer : All of the above

Coconut water from a tender coconut is (a) innermost layers of the seed coat (b) degenerated nucellus (c) immature embryo (d) free nuclear endosperm

Description : Coconut water from a tender coconut is (a) innermost layers of the seed coat (b) degenerated nucellus (c) immature embryo (d) free nuclear endosperm

Last Answer : (d) free nuclear endosperm.

The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Description : The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Last Answer : (d) (1) and (4).

Endosperm is consumed by developing embryo in the seed of (a) pea (b) maize (c) coconut (d) castor.

Description : Endosperm is consumed by developing embryo in the seed of (a) pea (b) maize (c) coconut (d) castor.

Last Answer : (a) pea

Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterised features of (a) cycads (b) conifers (c) polypetalous angiosperms (d) gamopetalous angiosperms.

Description : Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterised features of (a) cycads (b) conifers (c) polypetalous angiosperms (d) gamopetalous angiosperms.

Last Answer : (a) cycads

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

Write two precautions to be taken while identifying different parts of an embryo of a dicot seed.

Description : Write two precautions to be taken while identifying different parts of an embryo of a dicot seed.

Last Answer : Answer. (i) The slide should be properly focused. (ii) Slide should be observed first under low-power magnification and then under high-power magnification of the compound microscope.

5.Scutellum, coleoptile, coleorhiza and epiblast are part of ---------------- . (a)Dicot embryo, b)Grass embryo, c)Castor seed, d)bean seed)

Description : 5.Scutellum, coleoptile, coleorhiza and epiblast are part of ---------------- . (a)Dicot embryo, b)Grass embryo, c)Castor seed, d)bean seed)

Last Answer : b)Grass embryo,

Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Description : Occurrence of more than one embryo in a seed is known as: a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny

Last Answer : Ans: a) Polyembryony

Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.

What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.

Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Description : Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Last Answer : How is the constancy maintained in these three stages? Answer. Yes, zygote, embryonic cell and adult of a particular organism always constant have constant chromosome number. Sexual reproduction includes gamete formation through meiosis and fertilization.

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.

Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Description : Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Last Answer : (i) Sectional view of human ovary. (ii) Morula is formed in the (a)Isthmus of the oviduct (Fallopiantube). (b)The zygote undergoes mitotic divisions in quick succession called cleavage, forming 2, 4 ... 8-16 blastomeres is called a morula and the inner cell mass gets ready to form the embryo proper.

(i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.

Differentiate between zoospore and zygote. -Biology

Description : Differentiate between zoospore and zygote. -Biology

Last Answer : answer:

Where does the zygote of a gymnosperm develop? -Biology

Description : Where does the zygote of a gymnosperm develop? -Biology

Last Answer : If sperm then travel from the pollen to an egg so fertilization can occur, a diploid zygote results. The zygote develops into an embryo within a seed, which forms from the ovule inside the female cone.

why is zygote is formed after fertilization? -Biology

Description : why is zygote is formed after fertilization? -Biology

Last Answer : answer:

why is zygote is formed after fertilization? -Biology

Description : why is zygote is formed after fertilization? -Biology

Last Answer : answer:

What is the difference between a gamete and a zygote?

Description : What is the difference between a gamete and a zygote?

Last Answer : A gamete and a zygote are two distinct stages in the process of sexual reproduction in organisms: 1. Gamete: Gametes are specialized reproductive cells that are produced by sexually reproducing ... of two gametes during fertilization, containing the complete set of chromosomes for a new organism.

What is the difference between a zygote and a gamete?

Description : What is the difference between a zygote and a gamete?

Last Answer : A: A zygote is a diploid cell formed by the fusion of two haploid gametes, while a gamete is a haploid cell that is involved in sexual reproduction.

When do you think a newly conceived zygote becomes a person?

Description : When do you think a newly conceived zygote becomes a person?

Last Answer : answer:Good question. I’m not sure, but I think it should be whenever the brain and/or heart is formed. Edit: Lol@Mississippi.

in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Description : in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Last Answer : A zygote is typically found in the fallopian tube.

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

What makes a zygote ?

Description : What makes a zygote ?

Last Answer : The ovum combines with the sperm to form a zygote.

How wide is the zygote carrying chromosomes ?

Description : How wide is the zygote carrying chromosomes ?

Last Answer : The zygote carries two broad chromosomes.

Why is the zygote called the origin of animals ?

Description : Why is the zygote called the origin of animals ?

Last Answer : Miosis cell division results in the production of sperm and eggs. These sperm and eggs combine to form a zygote. These zygotes create millions of multicellular organisms through continuous division. That is why the zygote is called the origin of the animal.

What is a zygote ?

Description : What is a zygote ?

Last Answer : The zygote is the first cell of an organism formed as a result of the union of sperm and egg. In other words, the cells produced by the union of the female gamete (ovum) and the male gamete are called zygotes.

Cell division that occurs in zygote is called

Description : Cell division that occurs in zygote is called

Last Answer : Cell division that occurs in zygote is called A. Meiosis B. Mitosis C. Cleavage D. Differentiation.

Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Description : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This type of cleavage does not occur in

Last Answer : Due to presence of large amount of yolk. Zygote divides into two incomplete halv es. This ... of three germinal layers D. Formation of archenteron.