Which of the following statements is correct with reference to a test tube baby? (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother where the gestation is completed. (b) Fertilisation of the egg is effected in the female genital tract. It is then taken out and grown in a large test tube. (c) A prematurely born baby is reared in an incubator. (d) Fertilisation of the egg and growth of the embryo are affected in a large test tube.

Which of the following statements is correct with
reference to a test tube baby?
(a) Fertilisation of the egg is effected outside the
body; the fertilised egg is then placed in the
womb of the mother where the gestation is
completed.
(b) Fertilisation of the egg is effected in the female
genital tract. It is then taken out and grown in a
large test tube.
(c) A prematurely born baby is reared in an
incubator.
(d) Fertilisation of the egg and growth of the
embryo are affected in a large test tube.
by

1 Answer

Answer :

(a) Fertilisation of the egg is effected outside the
body; the fertilised egg is then placed in the
womb of the mother where the gestation is
completed.
by

Related questions

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.

In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother's body.

Description : In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother's body.

Last Answer : (3) embryo is placed in uterus after 2 months. Explanation: Prior of the implantation of the blastocyst the uterus of the recipient mother should be made ready to receive the embryo. This is ... done with the hormonal treatment. The blastocyst is introduced into the uterus by one of the two methods

In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother’s body.

Description : In the case of test tube babies (1) egg is fertilized in the uterus. (2) embryo completes its development in a test tube. (3) embryo is placed in uterus after 2 months. (4) egg is fertilized outside mother’s body. 

Last Answer : embryo is placed in uterus after 2 months.

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

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)

Which of the following correctly explains the phenomenon of “Test Tube Baby” ? (1) When every process of embryo formation is in the test tube. (2) When the embryo develops in a test tube. (3) When the fertilisation is external and development is internal. (4) When the fertilisation is internal and development is external.

Description : Which of the following correctly explains the phenomenon of Test Tube Baby ? (1) When every process of embryo formation is in the test tube. (2) When the embryo develops in a test ... is external and development is internal. (4) When the fertilisation is internal and development is external.

Last Answer : When the fertilisation is external and development is internal.

Which of the following correctly explains the phenomenon of "Test Tube Bally"? (1) When every process of embryo formation is in the test tube. (2) When the embryo develops in a test tube. (3) When the fertilisation is external and development is internal. (4) When the fertilisation is internal and development is external.

Description : Which of the following correctly explains the phenomenon of "Test Tube Bally"? (1) When every process of embryo formation is in the test tube. (2) When the embryo develops in a test tube ... is external and development is internal. (4) When the fertilisation is internal and development is external.

Last Answer : (3) When the fertilisation is external and development is internal. Explanation: Test tube baby is born from in vitro fertilization. In vitro fertilization (IVF) is a process by which an egg ... ) is then transferred to the patient's uterus with the intention of establishing a successful pregnancy.

Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Description : Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Last Answer : Answer : D

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

Foetus developing in the genital tract without getting nourishment from the mother is a case of

Description : Foetus developing in the genital tract without getting nourishment from the mother is a case of

Last Answer : Foetus developing in the genital tract without getting nourishment from the mother is a case of A. ... Ovipary C. Ovo-vivipary D. None of these

In female genital tract, sperm capacitation is brought about by

Description : In female genital tract, sperm capacitation is brought about by

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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.

Parthenogenesis is (a) development of embryo without fertilisation (b) development of fruit without fertilisation (c) development of fruit without hormones (d) development of embryo from egg without fertilisation.

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Last Answer : (d) development of embryo from egg without fertilisation.

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,

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Are amphibians born from a egg or womb?

Description : Are amphibians born from a egg or womb?

Last Answer : Amphibians hatch from eggs.

Are amphibians born from a egg or womb?

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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

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

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

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Which of the following statement about reproductions in human is correct. a) fertilisation takes place externally b) fertilisation takes place in the testes c) during fertilisation egg moves towards sperm d) fertilisation takes place in human female

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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 and trace the post-fertilisation events in a sequential order up to implantation of the embryo. [Foreign 2010] -Biology

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.

In some plants, the female gamete develops into embryo without fertilisation. This phenomenon is known as (a) parthenogenesis (b) autogamy (c) parthenocarpy (d) syngamy.

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In the case of a ‘test-tube baby’ where does fertilisation take place? -Do You Know?

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Last Answer : answer:

In the case of a 'test-tube baby' where does fertilisation take place?

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Last Answer : Outside the mother's body

1. The oldest monarchy in the world is that of which country? 2. Starch iodide paper is used to test for the presence of which agent? 3. In the case of a ‘test-tube baby’ where does fertilisation take place? 4. The direction of ocean currents is reversed with season in which ocean? 5. By which inscription is the earliest example of a land grant is provided?

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Those who are born in the womb of the same mother ' What do you say in one word ?

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Double fertilisation is (a) fusion of two male gametes of a pollen tube with two different eggs (b) fusion of one male gamete with two polar nuclei (c) fusion of two male gametes with one egg (d) syngamy and triple fusion.

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Which one of the following statements about human sperm is correct? (a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation. (b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation. (c) Acrosome serves as a sensory structure leading the sperm towards the ovum. (d) Acrosome serves no particular function

Description : Which one of the following statements about human sperm is correct? (a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation. (b) The ... a sensory structure leading the sperm towards the ovum. (d) Acrosome serves no particular function

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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

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How do you hatch a egg without a incubator?

Description : How do you hatch a egg without a incubator?

Last Answer : Dampen a hand towel thoroughly with warm water. Wrap the egg in the towel, being careful to move slowly and not shake the egg. Place the damp towel with the egg in the ceramic bowl. Place the bowl six to twelve inches below the heat lamp, depending on the size and strength of the lamp.

Have you ever dated anyone you consider far outside the social norms around which you were reared?

Description : Have you ever dated anyone you consider far outside the social norms around which you were reared?

Last Answer : Dated a human once. Did not work out. Had to flush him out the airlock after he objected to me cooking his 10 year old son for a feast. All the other attendants said he tasted delicious!

In the development of the eye: a. the orbit is completed by 10th week of gestation b. the orbit arises from fusion between the lateral nasal process and the maxilla c. the lower eyelids are formed by the maxillary process d. all above

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In oogensis, egg is fertilised by sperm at which stage?

Description : In oogensis, egg is fertilised by sperm at which stage?

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In mammals , egg is fertilised in :-

Description : In mammals , egg is fertilised in :-

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What happens if an egg is not fertilised?

Description : What happens if an egg is not fertilised?

Last Answer : If the egg is not fertilized it disintegrates (breaks down) and menstruation (your period) begins 11-16 days later. The mature egg is fertilized when it is joined with a sperm cell.

In humans, the development of fertilised egg takes place in the a) ovary b)testis c)oviduct d)uterus

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Name the muscles which assit in the transportation of food through the digestive tract and gametes through the genital tract.

Description : Name the muscles which assit in the transportation of food through the digestive tract and gametes through the genital tract.

Last Answer : Name the muscles which assit in the transportation of food through the digestive tract and gametes through the genital tract.

The nurse recognizes which of the following statements as accurately reflecting a risk factor for breast cancer? a) Mother affected by cancer before 60 years of age Risk for breast cancer increases twofold if first-degree female relatives (sister, mother, or daughter) had breast cancer.

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Last Answer : a) Mother affected by cancer before 60 years of age Risk for breast cancer increases twofold if first-degree female relatives (sister, mother, or daughter) had breast cancer.

In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

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Last Answer : (c) reduction division occurs in the megaspore mother cells

Through which cell of the embryo sac, does the pollen tube enter the embryo sac? (a) Egg cell (b) Persistant synergid (c) Degenerated synergids (d) Central cell

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Last Answer : c) Degenerated synergids

What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac

Description : What does the filiform apparatus do at the entrance into ovule? (a) It brings about opening of the pollen tube. (b) It guides pollen tube from a synergid to egg. (c) It helps in the entry of pollen tube into a synergid. (d) It prevents entry of more than one pollen tube into the embryo sac

Last Answer : (b) It guides pollen tube from a synergid to egg.

In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Description : In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Last Answer : Ans: c)Embryo sac

A superinfection could arise from a. Using antibiotics when not needed. b. Using unnecessarily large doses of antibiotics. c. Stopping antibiotic treatment prematurely.. d. All of the above (A—C) are correct.

Description : A superinfection could arise from a. Using antibiotics when not needed. b. Using unnecessarily large doses of antibiotics. c. Stopping antibiotic treatment prematurely.. d. All of the above (A—C) are correct.

Last Answer : b. Using unnecessarily large doses of antibiotics.

In human females, meiosis-II is not completed until (a) uterine implantation (b) birth (c) puberty (d) fertilisation.

Description : In human females, meiosis-II is not completed until (a) uterine implantation (b) birth (c) puberty (d) fertilisation.

Last Answer : (d) fertilisation.

Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

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Last Answer : (c) embryo sac

If a child learned his/her mother thought of him/her while in the womb to be equal to a parasite, ruptured appendix, or diseased gallbladder, how would it affect their self-esteem?

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With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.(b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum. (c) Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation rate (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum (3) Tomato is a greenhouse crop which can be grown in CO 2 - enriched atmosphere for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum