The part where fertilization of ovum occurs in placental mammals is :

The part where fertilization of ovum occurs in placental mammals is :
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The part where fertilization of ovum occurs in placental mammals is : A. Ovary B. Uterus C. Vagina D. Fallopian tube
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Fertilization of the ovum by the sperm usually occurs in the: a) oviduct b) vagina c) uterus d) ovary

Description : Fertilization of the ovum by the sperm usually occurs in the: a) oviduct b) vagina c) uterus d) ovary

Last Answer : ANSWER: A -- OVIDUCT

Eggs of placental mammals are

Description : Eggs of placental mammals are

Last Answer : Eggs of placental mammals are A. Homolecithal B. Alecithal C. Microlecithal D. Mesolecithal

Eggs of placental mammals are

Description : Eggs of placental mammals are

Last Answer : Eggs of placental mammals are A. Homolecithal B. Alecithal C. Microlecithal D. Mesolecithal.

Assertion : All Eutherian are placental mammals . Reason : All placental mammals have menstrual

Description : Assertion : All Eutherian are placental mammals . Reason : All placental mammals have menstrual

Last Answer : Assertion : All Eutherian are placental mammals . Reason : All placental mammals have menstrual A. If ... D. If both Assertion & Reason are False.

How do placental mammals reproduce?

Description : How do placental mammals reproduce?

Last Answer : Placental mammals reproduce sexually, they have internal fecundation and they are viviparous, i.e., their embryo develops within the mother’s body and from her it gets the nutrients through the placenta.

What are the main orders of placental mammals? What are some representative species and distinguishing features of each of those orders?

Description : What are the main orders of placental mammals? What are some representative species and distinguishing features of each of those orders?

Last Answer : The orders into which placental mammals are divided are the following: Artiodactyls, mammals with an even number of fingers in claws or paws like, e.g. ... - Image Diversity: artiodactyls carnivorouscetaceans edentates lagomorphs periss odactyls primatesproboscideans chiropterans rodents sirenians

Give the groups of placental mammals?

Description : Give the groups of placental mammals?  

Last Answer : Placental mammals have 19 orders. Some are as follows: - Insect Eating Mammals: - They eat insect and nocturnal in habit. Their examples are shrew, mole etc. Edentate mammals: - Their nails ... are obtained. i.e. What, Maize, Barley, Garlic, Potatoes, Carrots, Turnips etc. 

Write down the characteristics of placental mammals?

Description : Write down the characteristics of placental mammals? 

Last Answer : i) In these mammals embryo completes its development inside the body of mother in uterus. ii) After gestation period, young ones are born. iii) Embryo remains in the uterus and gets its ... 22 months. vi) The condition of young ones of various mammals at birth is different. 

What happens during fertilization when many sperms reach close to ovum

Description : What happens during fertilization when many sperms reach close to ovum

Last Answer : What happens during fertilization when many sperms reach close to ovum A. Cells of corona radiata trap ... the one nearest to ovum lose their tails.

Fertilization of ovum occur in

Description : Fertilization of ovum occur in

Last Answer : Fertilization of ovum occur in A. Fimbriae of oviduct B. Isthmus of oviduct C. Ampulla of oviduct D. None of the above.

In test-tube babies, the - (1) Ovum is fertilized and developed in testtubes (2) Ovum is fertilized in the test-tubes and developed in uterus (3) Ovum is fertilized in the uterus and developed in test-tubes (4) Ovum is developed without fertilization in test-tubes

Description : In test-tube babies, the - (1) Ovum is fertilized and developed in testtubes (2) Ovum is fertilized in the test-tubes and developed in uterus (3) Ovum is fertilized in the uterus and developed in test-tubes (4) Ovum is developed without fertilization in test-tubes

Last Answer : (2) Ovum is fertilized in the test-tubes and developed in uterus Explanation: In vitro fertilization is a process by which an egg is fertilized by sperm outside the body. The process ... zygote) is then transferred to the patient's uterus with the intention of establishing a successful pregnancy.

In test-tube babies, the (1) Ovum is fertilized and developed in test-tubes (2) Ovum is fertilized in the testtubes and developed in uterus (3) Ovum is fertilized in the uterus and developed in testtubes (4) Ovum is developed without fertilization in test-tubes

Description : In test-tube babies, the (1) Ovum is fertilized and developed in test-tubes (2) Ovum is fertilized in the testtubes and developed in uterus (3) Ovum is fertilized in the uterus and developed in testtubes (4) Ovum is developed without fertilization in test-tubes

Last Answer : Ovum is fertilized in the testtubes and developed in uterus

Second maturation division of mammalian ovum occurs

Description : Second maturation division of mammalian ovum occurs

Last Answer : Second maturation division of mammalian ovum occurs A. Until after sperm has penetrated ovum B. ... after ovulation before entry into fallopian tube.

Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Description : Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Last Answer : Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks ... D. If both Assertion & Reason are False.

The second maturation division of the mammalian ovum occurs

Description : The second maturation division of the mammalian ovum occurs

Last Answer : The second maturation division of the mammalian ovum occurs A. In the Graafian follicle following the ... the sperm has fused with that of the ovum

The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm (c) until the nucleus of the sperm has fused with that of the ovum (d) in the Graafian follicle following the first maturation division.

Description : The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm ... with that of the ovum (d) in the Graafian follicle following the first maturation division.

Last Answer : (b) until after the ovum has been penetrated by a sperm

Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Description : Extrusion of second polar body from egg occurs (a) simultaneously with first cleavage (b) after entry of sperm but before fertilisation (c) after fertilisation (d) before entry of sperm into ovum.

Last Answer : (b) after entry of sperm but before fertilisation

In earthworm fertilization occurs in

Description : In earthworm fertilization occurs in

Last Answer : In earthworm fertilization occurs in A. Oviduct B. Spermathecae C. Clitellum D. Cocoon

$ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm.

Description : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm.

Last Answer : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm ... D. If both As and R are wrong.

In which of the following fertilization occurs externally in water ?

Description : In which of the following fertilization occurs externally in water ?

Last Answer : In which of the following fertilization occurs externally in water ? A. Hydra B. Frog C. Both D. None

External fertilization occurs in animals , which

Description : External fertilization occurs in animals , which

Last Answer : External fertilization occurs in animals , which A. Lay eggs on land B. Lay eggs in water C. Oviparous D. Viviparous

Pollination and fertilization occurs before opening of flower is termed as

Description : Pollination and fertilization occurs before opening of flower is termed as

Last Answer : Ans. Cleistogamy

The example of hermaphrodite animal in which cross fertilization occurs is - (1) Hydra (2) Ascaris (3) Earthworm (4) Silkworm

Description : The example of hermaphrodite animal in which cross fertilization occurs is - (1) Hydra (2) Ascaris (3) Earthworm (4) Silkworm

Last Answer : (1) Hydra Explanation: Cross fertilization occurs in Hydra. The spermatozoa released from the testis of one Hydra swim about in water with their tails and finally come into contact with the ovum ... penetrates the ovum and fertilizes it. This results in the formation of a zygote which is diploid.

First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov

Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov

Last Answer : All of the abov

. One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine (c) the S-shaped setae embedded in the integument are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.

Description : . One very special feature in the earthworm (Pheretima) is that (a) fertilization of eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food ... are the defensive weapons used against the enemies (d) it has a long dorsal tubular heart.

Last Answer : (b) the typhlosole greatly increases the effective absorption area of the digested food in the intestine

In Homo sapiens, where does fertilization occurs?

Description : In Homo sapiens, where does fertilization occurs?

Last Answer : Oviduct

Assertion :- Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- More than one adaptive radiation apperared to h

Description : Assertion :- Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- More than one adaptive radiation apperared to h

Last Answer : Assertion :- Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- ... D. If both Assertion & Reason are false.

Placental hormone called chorionic gonadotropin (HCG) which stimulates secretion of progesterone by the ovary during pregnancy is

Description : Placental hormone called chorionic gonadotropin (HCG) which stimulates secretion of progesterone by the ovary during pregnancy is

Last Answer : Placental hormone called chorionic gonadotropin (HCG) which stimulates secretion of progesterone by the ovary during ... amine D. Both (1) and (2)

What gynecologic instruments are used to remove polyps secretions and bits of placental tissue?

Description : What gynecologic instruments are used to remove polyps secretions and bits of placental tissue?

Last Answer : Feel Free to Answer

Human placental lactogen?

Description : Human placental lactogen?

Last Answer : DefinitionHuman placental lactogen (hPL) is a hormone produced by the placenta, the organ that develops during pregnancy to help feed the growing baby. This hormone breaks down fats from the mother to ... and restrict blood flow through the vein. This causes veins below the band to fill with blood

An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these

Description : An immunoglobulin which can cross the placental barrier is (A) IgA (B) IgM (C) IgD (D) None of these

Last Answer : Answer : D

The fruits without seed, like banana, are called-------? A. Seedless fruits B. Parthenogenesis fruits C. Parthenocarpic fruits (Answer) D. placental fruits E. Organic fruits

Description : The fruits without seed, like banana, are called-------? A. Seedless fruits B. Parthenogenesis fruits C. Parthenocarpic fruits (Answer) D. placental fruits E. Organic fruits

Last Answer : C. Parthenocarpic fruits (Answer)

A highly ionised drug: a. is well absorbed from the intestine b. is excreted mainly in the kidney c. crosses the placental barrier easily d. is reabsorbed from the renal tubule

Description : A highly ionised drug: a. is well absorbed from the intestine b. is excreted mainly in the kidney c. crosses the placental barrier easily d. is reabsorbed from the renal tubule

Last Answer : is well absorbed from the intestine

.The fetal ejection reflex in humans triggers the release of (a) oxytocin from fetal pituitary (b) human chorionic gonadotropin (hCG) from placenta (c) human placental lactogen (hPL) from placenta (d) oxytocin from maternal pituitary.

Description : .The fetal ejection reflex in humans triggers the release of (a) oxytocin from fetal pituitary (b) human chorionic gonadotropin (hCG) from placenta (c) human placental lactogen (hPL) from placenta (d) oxytocin from maternal pituitary.

Last Answer : (d) oxytocin from maternal pituitary.

Match the placental types (column-I) with their examples (column-II). Column-I Column-II (A) Basal (i) Mustard (B) Axile (ii) China rose ((a) (A)-(ii), (B)-(iii), (C)-(iv), (D)-(i) (b) (A)-(i), (B)-(ii), (C)-(iii), (D)-(iv) (c) (A)-(iv), (B)-(ii), (C)-(i), (D)-(iii) (d) (A)-(iii), (B)-(iv), (C)-(i), (D)-(ii)C) Parietal (iii)Dianthus (D) Free central (iv) Sunflower Choose the correct answer from the following options.

Description : Match the placental types (column-I) with their examples (column-II). Column-I Column-II (A) Basal (i) Mustard (B) Axile (ii) China rose (C) Parietal (iii)Dianthus (D) Free central (iv) Sunflower Choose the correct answer from the ... i), (D)-(iii) (d) (A)-(iii), (B)-(iv), (C)-(i), (D)-(ii)

Last Answer : (c) (A)-(iv), (B)-(ii), (C)-(i), (D)-(iii)

Placenta secretes all the hormones except Options: 1) HCG 2) Prolactin 3) Estrogen 4) Human Placental Lactogen

Description : Placenta secretes all the hormones except Options: 1) HCG 2) Prolactin 3) Estrogen 4) Human Placental Lactogen

Last Answer : 2) Prolactin

Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain

Description : Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain

Last Answer : E. Produces extrinsic tooth stain

All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain

Description : All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain

Last Answer : E. It produces extrinsic tooth stain

Which of the following tocolytics used for suppressing labour is most likely to compromise placental perfusion: A. Salbutamol B. Ethyl alcohol C. Magnesium sulfate D. Nifedipine

Description : Which of the following tocolytics used for suppressing labour is most likely to compromise placental perfusion: A. Salbutamol B. Ethyl alcohol C. Magnesium sulfate D. Nifedipine

Last Answer : D. Nifedipine

In human beings, normally in which part, does the sperm fertilize the ovum? -Do You Know?

Description : In human beings, normally in which part, does the sperm fertilize the ovum? -Do You Know?

Last Answer : answer:

human beings, normally in which part, does the sperm fertilize the ovum?

Description : human beings, normally in which part, does the sperm fertilize the ovum?

Last Answer : Fallopian tube

Yellow corpus luteum occurs in a mammals in

Description : Yellow corpus luteum occurs in a mammals in

Last Answer : Yellow corpus luteum occurs in a mammals in A. Heart to initiate heart beat B. Skin ... cerebral hemispheres D. Ovary for secretion of progesterone.

What is meant by “mutualist exploration of cellulose digestion”, a phenomenon that occurs in some mammals and insects?

Description : What is meant by “mutualist exploration of cellulose digestion”, a phenomenon that occurs in some mammals and insects?

Last Answer : Herbivorous animals eat great amounts of cellulose, a substance not digested by their digestive enzymes. In these animals regions of the digestive tube are colonized by microorganisms that digest cellulose. This ... occurs, e.g., in horses, cows, rabbits and in some insects such as termites.

This major protein component of connective tissue in mammals comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous inclusions in most other body structures. Is this material: a) elastin b) collagen c) fatty acids d) keratin

Description : This major protein component of connective tissue in mammals comprises most of the organic matter of skin, tendons, bones, and teeth, and occurs as fibrous inclusions in most other body structures. Is this material: a) elastin b) collagen c) fatty acids d) keratin

Last Answer : ANSWER: B -- collagen 

The gametes taking part in double fertilization are

Description : The gametes taking part in double fertilization are

Last Answer : The gametes taking part in double fertilization are A. 5 B. 4 C. 3 D. 2

In which part of the female flower does fertilization takes place?

Description : In which part of the female flower does fertilization takes place?

Last Answer : Ovary

Anyone had experience or seriously looked into freezing a reproductive egg (ovum)?

Description : Anyone had experience or seriously looked into freezing a reproductive egg (ovum)?

Last Answer : You may want to look at this article. It does not sound promising. Only two in 100 ova are viable on thawing, and they haven't even been fertilized or implanted yet. You can maybe produce as many as 20 eggs ... to find out about them. I wish you the best of luck. I hope you have the child you want.

Explain the steps in the formation of an ovum from an oogonium in humans. or Suggest and explain any three Assisted Reproductive Technologies (ART) to an infertile couple. -Biology

Description : Explain the steps in the formation of an ovum from an oogonium in humans. or Suggest and explain any three Assisted Reproductive Technologies (ART) to an infertile couple. -Biology

Last Answer : Three reproductive techniques for sterile couple are: (i) In vitro fertilisation The fertilisation outside the body in almost similar conditions as that in the body followed by embryo transfer to the ... to form an embryo in the laboratory in which a sperm is directly injected into the ovum.

(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

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.

(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.