Fertilisation in humans is practically feasible only if (a) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix (b) the sperms are transported into cervix within 48 hrs of release of ovum in uterus (c) the sperms are transported into vagina just after the release of ovum in fallopian tube (d) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.

Fertilisation in humans is practically feasible only if
(a) the ovum and sperms are transported
simultaneously to ampullary-isthmic junction
of the cervix
(b) the sperms are transported into cervix within
48 hrs of release of ovum in uterus
(c) the sperms are transported into vagina just after
the release of ovum in fallopian tube
(d) the ovum and sperms are transported
simultaneously to ampullary-isthmic junction
of the fallopian tube.
by

1 Answer

Answer :

(d) the ovum and sperms are transported
simultaneously to ampullary-isthmic junction
of the fallopian tube.
by

Related questions

The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical canal is too narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.

Description : The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical ... narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.

Last Answer : (a) who cannot produce an ovum

Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into (a) uterus (b) fallopian tube (c) fimbriae (d) cervix.

Description : Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into (a) uterus (b) fallopian tube (c) fimbriae (d) cervix.

Last Answer : (a) uterus

The opening into the vagina on the perineum is termed the a) introitus. The introitus is the vaginal orifice. b) adnexa. Adnexa is a term used to describe the fallopian tubes and ovaries together. c) cervix. The cervix is the bottom (interior) part of the uterus that is located in the vagina. hymen. d) The hymen is a tissue that may cover the vaginal opening partially or completely before vaginal penetration.

Description : The opening into the vagina on the perineum is termed the a) introitus. The introitus is the vaginal orifice. b) adnexa. Adnexa is a term used to describe the fallopian tubes and ovaries ... The hymen is a tissue that may cover the vaginal opening partially or completely before vaginal penetration.

Last Answer : a) introitus. The introitus is the vaginal orifice.

From a to d which of the following statements are correct ? (a) Fertilisation can occur only if the ovum and sperm are transported simultaneously to t

Description : From a to d which of the following statements are correct ? (a) Fertilisation can occur only if the ovum and sperm are transported simultaneously to t

Last Answer : From a to d which of the following statements are correct ? (a) Fertilisation can occur only if the ovum and sperm ... b and c C. c and d D. b and d

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

Name the organ where the embryo develops - (1) Uterus (2) Fallopian tube (3) Ureter (4) Cervix

Description : Name the organ where the embryo develops - (1) Uterus (2) Fallopian tube (3) Ureter (4) Cervix

Last Answer : (3) Uterus Explanation: In a placental mammal, an ovam is fertilized in a fallopian tube through which it travels into the uterus.

The figure given below depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of I-VI have been correctly identified? I II III V VI IV (a) (II) Endometrium, (III) Infundibulum, (IV) Fimbriae (b) (III) Infundibulum, (IV) Fimbriae, (V) Cervix (c) (IV) Oviducal funnel, (V) Uterus, (VI) Cervix (d) (I) Perimetrium, (II) Myometrium, (III) Fallopian tube

Description : The figure given below depicts a diagrammatic sectional view of the human female reproductive system. Which set of three parts out of I-VI have been correctly identified? I II III V VI IV (a) (II) ... , (V) Uterus, (VI) Cervix (d) (I) Perimetrium, (II) Myometrium, (III) Fallopian tube

Last Answer : (b) (III) Infundibulum, (IV) Fimbriae, (V) Cervix

What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except the one nearest to the ovum lose their tails. (c) Cells of corona radiata trap all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Description : What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except ... all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

Last Answer : (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida.

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

Second degree uterovaginal prolapse is characterized by: a) Complete protrusion of uterus outside introitus. b) Descent of genital tract within vagina. c) Descent of genital tract upto introitus. d) Descent of genital tract outside the introitus. e) Descent of cervix below the ischeal spines.

Description : Second degree uterovaginal prolapse is characterized by: a) Complete protrusion of uterus outside introitus. b) Descent of genital tract within vagina. c) Descent of genital tract upto introitus. d) Descent of genital tract outside the introitus. e) Descent of cervix below the ischeal spines.

Last Answer : d) Descent of genital tract outside the introitus.

What part or parts of the male and female reproductive systems are typically colonized by indigenous microbiota? a. Male: Ureters; Female: Vagina And Ovaries b. Male: Testes And Epididymis c. Male: Urethra; Female: Vagina, Vulva, And Cervix d. Male: Bladder And Ureters; Female: Fallopian Tubes And Cervix

Description : What part or parts of the male and female reproductive systems are typically colonized by indigenous microbiota? a. Male: Ureters; Female: Vagina And Ovaries b. Male: Testes And Epididymis c. Male: ... : Vagina, Vulva, And Cervix d. Male: Bladder And Ureters; Female: Fallopian Tubes And Cervix

Last Answer : c. Male: Urethra; Female: Vagina, Vulva, And Cervix

The term ‘Test Tube Baby’ implies (a) Fertilisation of ovum takes place I the test tube but it develops in uterus (b) Fertilisation of ovum takes place in the test tube and develops in the test tube itself (c) Fertilisation of the ovum takes place in the uterus but develops in the test tube (d) Fertilisation takes place in uterus and embryo develops in uterus

Description : The term Test Tube Baby' implies (a) Fertilisation of ovum takes place I the test tube but it develops in uterus (b) Fertilisation of ovum takes place in the test tube and develops in ... uterus but develops in the test tube (d) Fertilisation takes place in uterus and embryo develops in uterus

Last Answer : Ans:(a)

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

What is true about cleavage in the fertilised egg in humans? (a) It starts while the egg is in fallopian tube. (b) It starts when the egg reaches uterus. (c) It is meroblastic. (d) It is identical to the normal mitosis

Description : What is true about cleavage in the fertilised egg in humans? (a) It starts while the egg is in fallopian tube. (b) It starts when the egg reaches uterus. (c) It is meroblastic. (d) It is identical to the normal mitosis

Last Answer : (a) It starts while the egg is in fallopian tube

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

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

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

Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Description : Identical twins are born when (a) Two sperms fertilise one ovum (b) Two sperms fertilise two ovums simultaneously (c) Open sperm fertilizes the ovum and zygote divides into two separate cells developing independently (d) One sperm fertilises two ovums

Last Answer : Ans:(c)

(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.

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from (a) testes to epididymis (b) epididymis to vas deferens (c) ovary to uterus (d) vagina to uterus.

Description : If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from (a) testes to epididymis (b) epididymis to vas deferens (c) ovary to uterus (d) vagina to uterus.

Last Answer : (a) testes to epididymis

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

The part of Fallopian tube closest to the ovary is (a) isthmus (b) infundibulum (c) cervix (d) ampulla.

Description : The part of Fallopian tube closest to the ovary is (a) isthmus (b) infundibulum (c) cervix (d) ampulla.

Last Answer : b) infundibulum

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

Fertilization in humans is practically feasible only if:

Description : Fertilization in humans is practically feasible only if:

Last Answer : Fertilization in humans is practically feasible only if: A. The sperms are transported into ... to ampullary-isthmic junction of fallopian tube

Artificial Insemination means (a) artificial introduction of sperms of a healthy donor into the vagina (b) introduction of sperms of a healthy donor directly into the ovary(c) transfer of sperms of a healthy donor to a test tube containing ova (d) transfer of sperms of husband to a test tube containing ova. (NEET 2013) 40. The stage transferred

Description : Artificial Insemination means (a) artificial introduction of sperms of a healthy donor into the vagina (b) introduction of sperms of a healthy donor directly into the ovary (c) transfer of sperms of a ... of sperms of husband to a test tube containing ova. (NEET 2013) 40. The stage transferred

Last Answer : (a) artificial introduction of sperms of a healthy donor into the vagina

How is the entry of only one sperm ensured into an ovum during fertilisation in humans? -Biology

Description : How is the entry of only one sperm ensured into an ovum during fertilisation in humans? -Biology

Last Answer : During fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes (depolarisation) in the membrane that blocks the entry of additional sperms. This ensures that only one sperm can fertilise an ovum

Explain the events that occur during fertilisation of an ovum in humans. How is it that only one sperm enters the OVUm? -Biology

Description : Explain the events that occur during fertilisation of an ovum in humans. How is it that only one sperm enters the OVUm? -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 ... that blocks the entry of additional sperms. This ensures that only one sperm can fertilise an ovum

Tubectomy is a method of sterilisation in which (a) small part of the fallopian tube is removed or tied up (b) ovaries are removed surgically (c) small part of vas deferens is removed or tied up (d) uterus is removed surgically.

Description : Tubectomy is a method of sterilisation in which (a) small part of the fallopian tube is removed or tied up (b) ovaries are removed surgically (c) small part of vas deferens is removed or tied up (d) uterus is removed surgically.

Last Answer : (a) small part of the fallopian tube is removed or tied up

Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,

Description : Given below are the events that lead to pregnancy and development of embryo i. fertilisation of egg ii. maturation of egg iii. release of egg iv. embedding of embryo in uterus a) i, ii, iii, iv b)ii, i, iii, iv c)i, iv , ii, iii d)ii, iii, i , iv,

Last Answer : d)ii, iii, i , iv,

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.

Test tube baby means a baby born when (a) it is developed in a test tube (b) it is developed through tissue culture method (c) the ovum is fertilised externally and thereafter implanted in the uterus (d) it develops from a non-fertilised uterus.

Description : Test tube baby means a baby born when (a) it is developed in a test tube (b) it is developed through tissue culture method (c) the ovum is fertilised externally and thereafter implanted in the uterus (d) it develops from a non-fertilised uterus.

Last Answer : (c) the ovum is fertilised externally and thereafter implanted in the uterus

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

A test tube baby means : (1) a baby grown in a test tube. (2) embryo fertilised in uterus and developed in test tube. (3) embryo fertilised and developed in uterus. (4) fertilisation in vitro and then transplantation in the uterus.

Description : A test tube baby means : (1) a baby grown in a test tube. (2) embryo fertilised in uterus and developed in test tube. (3) embryo fertilised and developed in uterus. (4) fertilisation in vitro and then transplantation in the uterus.

Last Answer : (4) fertilisation in vitro and then transplantation in the uterus. Explanation: In vitro fertilisation is a process by which an egg is fertilised by sperm outside the body: in vitro. IVF is a ... to collect a naturally selected ovum (egg) for fertilisation, it is known as natural cycle IVF.

The test tube baby means (a) fertilisation and development both in uterus (b) fertilisation in vitro and then transplantation in uterus (c) a baby grown in test tube (d) fertilised and developed embryo in test tube.

Description : The test tube baby means (a) fertilisation and development both in uterus (b) fertilisation in vitro and then transplantation in uterus (c) a baby grown in test tube (d) fertilised and developed embryo in test tube.

Last Answer : (b) fertilisation in vitro and then transplantation in uterus

A test tube baby means : (1) a baby grown in a test tube. (2) embryo fertilised in uterus and developed in test tube. (3) embryo fertilised and developed in uterus. (4) fertilisation in vitro and then transplantation in the uterus.

Description : A test tube baby means : (1) a baby grown in a test tube. (2) embryo fertilised in uterus and developed in test tube. (3) embryo fertilised and developed in uterus. (4) fertilisation in vitro and then transplantation in the uterus.

Last Answer : fertilisation in vitro and then transplantation in the uterus.

What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Description : What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Last Answer : (a) To inhibit ovulation

Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents passage of sperms from vagina upwards into fallopi

Description : Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents passage of sperms from vagina upwards into fallopi

Last Answer : Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents ... If both the assertion and resson are false.

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 (ii) Prevents implantation C. Vasectomy (iii) Prevents ovulation D. Copper T (iv) Semen contains no sperms (a) A – (iii), B – (iv), C – (i), D – (ii) (b) A – (ii), B – (iii), C – (i), D – (iv) (c) A – (iii), B – (i), C – (iv), D – (ii) (d) A – (iv), B – (i), C – (ii), D – (iii)

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 – (

The ciliated columnar epithelial cells in humans are known to occur in (a) Eustachian tube and stomach lining (b) bronchioles and Fallopian tube (c) bile duct and oesophagus (d) Fallopian tube and urethra.

Description : The ciliated columnar epithelial cells in humans are known to occur in (a) Eustachian tube and stomach lining (b) bronchioles and Fallopian tube (c) bile duct and oesophagus (d) Fallopian tube and urethra.

Last Answer : (b) bronchioles and Fallopian tube

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in (a) bronchioles and Fallopian tubes (b) bile duct and bronchioles (c) Fallopian tubes and pancreatic duct (d) Eustachian tube and salivary duct

Description : The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in (a) bronchioles and Fallopian tubes (b) bile duct and bronchioles (c) Fallopian tubes and pancreatic duct (d) Eustachian tube and salivary duct

Last Answer : (a) bronchioles and Fallopian tubes

A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is (a) Gamete Internal Fertilisation and Transfer (b) Germ cell Internal Fallopian Transfer (c) Gamete Inseminated Fallopian Transfer (d) Gamete Intra Fallopian Transfer.

Description : A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is (a) Gamete Internal Fertilisation and Transfer (b) Germ cell Internal Fallopian Transfer (c) Gamete Inseminated Fallopian Transfer (d) Gamete Intra Fallopian Transfer.

Last Answer : (d) Gamete Intra Fallopian Transfer.

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? (a) Gamete Intracytoplasmic Fallopian Transfer (b) Artificial Insemination (c) Intracytoplasmic sperm injection (d) Intrauterine transfer

Description : In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? (a) Gamete Intracytoplasmic Fallopian Transfer (b) Artificial Insemination (c) Intracytoplasmic sperm injection (d) Intrauterine transfer

Last Answer : (b) Artificial Insemination

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation ? (1) Gamete intracytoplasmic fallopian transfer (2) Artificial Insemination (3) Intracytoplasmic sperm injection (4) Intrauterine transfer

Description : In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation ? (1) Gamete intracytoplasmic fallopian transfer (2) Artificial Insemination (3) Intracytoplasmic sperm injection (4) Intrauterine transfer

Last Answer : (2) Artificial Insemination

Sex is determined in human beings (a) by ovum (b) at time of fertilisation (c) 40 days after fertilisation (d) seventh to eight week when genitals differentiate in fetus.

Description : Sex is determined in human beings (a) by ovum (b) at time of fertilisation (c) 40 days after fertilisation (d) seventh to eight week when genitals differentiate in fetus.

Last Answer : (b) at time of fertilisation

Capacitation refers to changes in the (a) ovum after fertilisation (b) sperm after fertilisation (c) sperm before fertilisation (d) ovum before fertilisation.

Description : Capacitation refers to changes in the (a) ovum after fertilisation (b) sperm after fertilisation (c) sperm before fertilisation (d) ovum before fertilisation.

Last Answer : (c) sperm before fertilisation

Two tube A and B can fill a cistern in 48 mins and 64 mins. If both the tubes are opened simultaneously, after how much time B should be closed so that the cistern is full in 36 minutes? A) 20 mins B) 16mins C) 22mins D) 14mins

Description : Two tube A and B can fill a cistern in 48 mins and 64 mins. If both the tubes are opened simultaneously, after how much time B should be closed so that the cistern is full in 36 minutes? A) 20 mins B) 16mins C) 22mins D) 14mins

Last Answer : B Let B be closed after ‘x’ mins. Then part filled by (A+B) in x mins + part filled by A in (36 – x) mins = 1 Therefore x(1/48 + 1/64) + (36 – x)* 1/48 = 1 7x/192 + 36 – x/48 = 1 7x + 4(36-x)/192 = 1 7x+144 – 4x = 192 3x = 48 =>x = 16 Here B must be closed after 16 mins.

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.

An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.

Description : An abnormal human baby with ‘XXX’ sex chromosomes was born due to (a) fusion of two ova and one sperm (b) fusion of two sperms and one ovum (c) formation of abnormal sperms in the father (d) formation of abnormal ova in the mother.

Last Answer : (d) formation of abnormal ova in the mother.

The request information should normally be made within a) 48 Hrs b) 24 Hrs c) 30 days d) 45 days

Description : The request information should normally be made within  a) 48 Hrs b) 24 Hrs c) 30 days d) 45 days

Last Answer : c) 30 days

What will happen the lining of the uterus after day 28 if an ovum was fertilized?

Description : What will happen the lining of the uterus after day 28 if an ovum was fertilized?

Last Answer : Need answer