Description : In human female, the blastocyst (a) forms placenta even before implantation (b) gets implanted into uterus 3 days after ovulation (c) gets nutrition from uterine endometrial secretion only after implantation (d) gets implanted in endometrium by the trophoblast cells.
Last Answer : (d) gets implanted in endometrium by the trophoblast cells.
Description : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . Reason : The blastocyst , along with zona pel
Last Answer : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . ... . If both Assertion & Reason are False.
Description : What is the work of copper-T? (a) To inhibit ovulation (b) To inhibit fertilisation (c) To inhibit implantation of blastocyst (d) To inhibit gametogenesis
Last Answer : c) To inhibit implantation of blastocyst
Description : The following contraceptive acts primarily by interfering with implantation of blastocyst: A. Gossypol B. Centchroman C. Combined estrogen-progestin pill D. Phased pill
Last Answer : B. Centchroman
Description : Fixing up of the blastocyst in the wall of the uterus is known as:
Last Answer : Fixing up of the blastocyst in the wall of the uterus is known as: A. Fertilization B. Implantation C. Impreganation D. Placentation
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.
Description : Study the given figure below and answer the question that follow important-questions-for-class-12-biology-cbse-fertilisation-pregnancy-and-embryonic-development-t-33-3 (i)Name the stage of human embryo the ... implantation in the uterus. (iv)Where are the stem cells located in this embryo? -Biology
Last Answer : (i)The stage is blastocyst. (ii) A—Trophoblast. It helps in attachment to endometrium during implantation and provides nourishment to developing embryo. (iii) Inner cell mass acts as precursor to embryo ... into ectoderm and endoderm. (iv) Stem cells are located in inner cell mass of embryo.
Description : Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.
Last Answer : suppress sperm motility
Description : The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.
Last Answer : (d) they suppress sperm motility and fertilising capacity of sperms.
Description : Ectopic pregnancies are referred to as (a) implantation of defective embryo in the uterus (b) pregnancies terminated due to hormonal imbalance (c) pregnancies with genetic abnormality (d) implantation of embryo at site other than uterus.
Last Answer : (d) implantation of embryo at site other than uterus.
Description : For the implantation of fertilize ova uterus secret which harmone?
Last Answer : Estrogen
Description : The function of copper ions in copper releasing IUD's is : (1) They inhibit gametogenesis (2) They make uterus unsuitable for implantation (3) They inhibt ovulation (4) The suppress sperm motility and fertilising capacity of sperms
Last Answer : (4) The suppress sperm motility and fertilising capacity of sperms
Description : In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis (2) ... endometrial thickening (4) High levels of FSH and LH in uterus to stimulate endometrial thickening
Last Answer : (1) High level of circulating HCG to stimulate estrogen and progesterone synthesis
Description : The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of cells attached to trophoblast called the `___B____`.
Last Answer : The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of ... are trophoblast D. Both are inner cell masses
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
Description : Which layer of uterus undergoes cyclic changes during menstrual cycle
Last Answer : Which layer of uterus undergoes cyclic changes during menstrual cycle A. Myometrium B. Endometrium C. Perimetrium D. All the above.
Description : What is blastocyst? -Biology
Last Answer : answer:
Description : What is a blastocyst ?
Last Answer : The union of mature sperm and ovum occurs in the ovaries of the wife. The fertilized egg slowly progresses towards the ovary to the uterus and at the same time its cell division or cleavage continues. ... division it turns from the ovary to the uterus. At this stage the embryo is called blastocyst.
Description : Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two, together. Developmental Site of ... tube (c) Blastocyst - Uterine wall (d) 8-celled morula - Starting point of Fallopian tube
Last Answer : (c) Blastocyst – Uterine wall
Description : (a) IN WHICH PART OF HUMAN FEMALE REPRODUCTIVE SYSTEM DO THE FOLLOWING EVENTS TAKE PLACE. (i) RELEASE OF FIRST POLAR BODY (ii) RELEASE OF SECOND POLAR BODY (iii) FERTILISATION (iv) IMPLANTATION (b) NAME TWO HORMONES SECREATED ONLY DURING PREGNANCY.
Last Answer : ANS (a) (i) OVARY (ii) FALLOPIAN TUBE (iii) AMPULLA-ISTHAMUS JUNCTION OF FALLOPIAN TUBE (iv) ENDOMETRIUM LINING OF UTERUS (b) HUMAN CHORIONIC GONADOTROPIN AND HUMAN PLACENTAL LACTOGEN
Description : The inner glandular layer of uterus is
Last Answer : The inner glandular layer of uterus is A. Endometrium B. Myometrium C. Fallopian tubes D. Perimerium
Description : What is the layer of tissue of the wall of the uterus?
Last Answer : Need answer
Description : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as
Last Answer : When many islands of phloem embedded in xylem layer due to anomalous activity of cambium are formed such phloems are known as – Included phloem
Description : Why is PGD (pre-implantation genetic diagnosis) a bad thing to use for gender selection of your child?
Last Answer : Well do you think in China any girls would be born, they already think of having a girl as something bad. So how many couples in China would opt to have a girl vs a boy, do you think it ... if we start doing this type of selection here in the US then all other countries are going to follow suit.
Description : Ladies, please help. Implantation bleeding?
Last Answer : It’s really hard to say. More than 75% of pregnancies result in early termination, usually before the person realizes she was pregnant.
Description : Describe the post-zygotic events leading to implantation and placenta formation in humans. Mention any two functions of placenta. [All India 2010] or Explain the process of fertilisation in human female ... events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology
Last Answer : Post-zygotic events leading to implantation and placenta formation. After implantation of blastocyst, the finger-like projections called chorionic villi, appear on the trophoblast and is surrounded by ... acts as an endocrine gland and secretes hormones like hPL, hCG, oestrogen and progesterone.
Description : (i) Mention the event that induces the completion of the meiotic division of the secondary oocyte. (ii) Trace the journey of the ovum from the ovary, its fertilisation and further development until the implantation of the embryo. -Biology
Last Answer : (i)Secondary oocyte completes meiosis-ll only when a sperm enters its cytoplasm. It forms a larger cell, the ootid and a small cell, the second polar body. (ii)The secondary oocyte is ... and inner cell mass.The trophoblast attacheds to endometrium (implantation) and blastocyst gets embedded in it.
Description : What is Implantation ?
Last Answer : Implantation is the process by which the uterine endometrium is placed in the zygote blastocyst state after fertilization.
Description : Statement S. After implantation, the uterine endometrium undergoes changes to become decidus Reason R. the placenta in described as deciduous type Cor
Last Answer : Statement S. After implantation, the uterine endometrium undergoes changes to become decidus Reason R. the ... and R is a correct explanation to S.
Description : What are the advantages and limitations implantation of ion implantation?
Last Answer : Advantages: • Accurate control over doping • Very good reproducibility • Precise resistance value • A room temperature process Limitations: • Annealing at higher temperature is required for avoiding the crystal damage • The possibility of dopant implanting through various layers of wafer.
Description : Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow. Method Mode of Action A. The pill (i) Prevents sperms reaching cervix B. Condom ... D - (ii) (d) A - (iv), B - (i), C - (ii), D - (iii)
Last Answer : A – (iii), B – (i), C – (iv), D – (
Description : Select the correct option describing gonadotropin activity in a normal pregnant female. (a) High level of FSH and LH stimulates the thickening of endometrium. (b) High level of FSH and LH ... synthesis of estrogen and progesterone. (d) High level of hCG stimulates the thickening of endometrium.
Last Answer : (c) High level of hCG stimulates the synthesis of estrogen and progesterone.
Description : In human females, meiosis-II is not completed until (a) uterine implantation (b) birth (c) puberty (d) fertilisation.
Last Answer : (d) fertilisation.
Description : What is dental implantation and how much does it cost?
Last Answer : What is dental implantation and how much does it cost? Prosthetics issues in our country have long been solved with the help of implantation. However, there is a fairly significant number of different ... future crown. The last step is the placement of the abutment and the anchoring of the crown.
Description : What is Basal Implantation?
Last Answer : What is Basal Implantation? Basal implantation is one of the most modern and least traumatic dental restoration technologies. This method is based on the implantation of specially designed implants into ... and mental disorders; the presence of swelling and inflammation in the oral cavity.
Description : Earliest visual rehabilitation occurs with: a. Phacoemulsification plus intraocular lens implantation b. Intracapsular cataract extraction plus intraocular lens implantation c. Extracapsular cataract extraction plus intraocular lens implantation d. Small incision cataract extraction
Last Answer : ANSWER: A
Description : When having a large dinner and you have one person who is a vegetarian, is it necessary to make a special dish for that person to replace what ever meat dish(es) you are serving?
Last Answer : If there are ample vegetable sides, I don’t see a reason to make a special vegetarian dish. I might make one of the vegetable dishes a little more substantial – like a broccoli and cheese bake – but it doesn’t have to scream vegetarian eaters only.
Description : My Lexus ES 250 dashboard light has stopped working. I need help, what to do?
Last Answer : answer:I always like to think of a wire somewhere just quitting when something goes wrong with my car. You might be able to figure out what's wrong with one of those diagnostic computers. I was able to ... an Autozone last time I needed one, gratis. It might be as simple as a bug in the software.
Description : Stitches itch(es). Is that coincidence that those two related words sound alike?
Last Answer : Witches are bitches? Dogs are hogs (they eat a lot). Ass/Gas?
Description : What side dish(es) would you serve with BBQ chicken?
Last Answer : I would say potato salad, but you said you don’t like mayo… I would go with baked beans and string beans. Can’t go wrong. Maybe rolls too.
Description : I know that suffixes "ez" and "es" denotes "son of" in the Spanish language; but, why the different endings? For instance, you may see the surname Gonzales or Gonzalez?
Last Answer : It has to do with the government taking a census. this practice started in B.C. (or b.c.e. for the heathens) and names were subject to the census takers who knew how to write, but not always ... . Some of these were like Johnson/Johnston, Gib/Gibb/Gibbs, White/Waite/Wit/Witt, and hundreds of others.
Description : ¿Cómo es una persona gay?
Last Answer : Duke of Medina Sidonia
Description : que es uno mas uno?
Last Answer : dos get it its spanish!
Description : What is the atomic number of Es ?
Last Answer : The atomic number of Es is 99
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.
Description : Which of the following process(es) can given sulphur ?
Last Answer : Which of the following process(es) can given sulphur ? A. `H_(2)S` gas is passed through ... ` gas is passed through acidified `KMnO_(4)` solution
Description : Which of the following inert gas(es) form(s) clathrate compoud(s) with quinol?
Last Answer : Which of the following inert gas(es) form(s) clathrate compoud(s) with quinol? A. (A) Helium B. (B) Xenon C. (C) Krypton D. Neon