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 : What's so wrong with embryonic stem cell research?
Last Answer : Its evil.
Description : How are embryonic stem cells different from other types of stem cell?
Last Answer : Need Answer
Description : What is a disadvantage of adult stem cells over embryonic stem cells?
Last Answer : What is the answer ?
Description : With respect to lens development: a. the lens first appears at 27 days of gestation b. it is formed from neural crest cells c. the lens first appears as a vesicles with a single layer of ... d. Y suture is absent in the embryonic nucleus e. the adult lens is more spherical than the foetal
Last Answer : the lens first appears at 27 days of gestation
Description : Have we seen any benefit from embryonic stem cell research?
Last Answer : Here is the answer regarding legalities. http://stemcells.nih.gov/policy/Pages/Default.aspx It is well past my bedtime, so I’ll be back later for further discussion.
Description : Why is the use of embryonic stem cell controversial?
Last Answer : Pene grande
Description : In which stage of development the embryonic cells form the germinal layers by the movement
Last Answer : In which stage of development the embryonic cells form the germinal layers by the movement A. Morula B. Blastula C. Gastrula D. Zygote
Description : What are the cells produced in the first stage of the embryonic development called ?
Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry).
Last Answer : The cells that resulted from the cleavage (the first stage of the embryonic development) are called blastomeres. In this stage the embryo is called morula (similar to a “morus”, mulberry). Image Diversity: morula
Description : The genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by (a) administering adenosine deaminase activators (b) introducing bone marrow cells producing ADA into ... replacement therapy (d) periodic infusion of genetically engineered lymphocytes having functional ADA cDNA
Last Answer : (b) introducing bone marrow cells producing ADA into cells at early embryonic stages
Description : The extra embryonic membranes of the mammalian embryo are derived from (a) trophoblast (b) inner cell mass (c) formative cells (d) follicle cells
Last Answer : (a) trophoblast
Description : Identify the correct statement with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermentertian of biomass
Last Answer : (4) Gas produced by fermentertian of biomass Explanation: Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste ... (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
Description : Pick out the wrong statement. (A) All the nitrogenous fertilisers are not soluble in water (B) A straight fertiliser contains only one nutrient (C) Calcium cyanamide is used as weed killer in onion fields (D) The phosphorous nutrient makes the plant stem stronger and increases its branches
Last Answer : (A) All the nitrogenous fertilisers are not soluble in water
Description : The correct statement with respect to epithelial tissue is : - A - Cells are compactly packed B - cells have no intercellular matrix C - cells have li
Last Answer : The correct statement with respect to epithelial tissue is : - A - Cells are compactly packed B - cells have no ... C C. A, C & D D. All of these
Description : The transverse section of a plant shows following anatomical features : (i) Large number of scattered vascular bundles surrounded by bundle sheath (ii) Large conspicuous parenchymatous ground ... (a) Monocotyledonous stem (b) Monocotyledonous root (c) Dicotyledonous stem (d) Dicotyledonous root
Last Answer : (a) Monocotyledonous stem
Description : Identify the wrong statement.
Last Answer : Identify the wrong statement. A. Charge is a vector quantity B. Current is a scalar quantity C. Charge can be quantity D. Charge is additive in nature
Description : Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.
Last Answer : d) Sticky ends can be joined by using DNA ligases.
Description : Identify the wrong statement with reference to immunity. (a) When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called Active immunity . (b) When ... full response. (d) Fetus receives some antibodies from mother, it is an example for passive immunity
Last Answer : c) Active immunity is quick and gives full response.
Description : Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.
Last Answer : (c) When IA and IB are present together, they express same type of sugar.
Description : Identify the wrong statement with reference to transport of oxygen. (a) Binding of oxygen with haemoglobin is mainly related to partial pressure of O2. (b) Partial pressure of CO2 can interfere ... the formation of oxyhaemoglobin. (d) Low pCO2 in alveoli favours the formation of oxyhaemoglobin.
Last Answer : (c) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin.
Description : Identify the wrong statement in context of heartwood. (a) It is highly durable. (b) It conducts water and minerals efficiently. (c) It comprises dead elements with highly lignified walls. (d) Organic compounds are deposited in it.
Last Answer : (b) It conducts water and minerals efficiently
Description : Identify the statement that is consistent with utilitarian ethical theory: A. Adhering to a set of principles may well forbid an act that would otherwise provide overall net good consequences. B. No act is ever ... lying are wrong of their very nature, the kind of acts they are. No amount of n
Last Answer : B. No act is ever morally right or wrong in all cases, in every situation. It will all depend on the act's consequences.
Description : Identify the statement that is consistent with utilitarian ethical theory: A. Adhering to a set of principles may well forbid an act that would otherwise provide overall net good consequences. B. No ... amount of net good consequences could ever justify them. D. The end never justifies the means.
Description : Identify the wrong statement in context of heartwood: (1) It is highly durable (2) It conducts water and minerals efficiently (3) It comprises dead elements with highly lignified walls (4) Organic compounds are deposited in it
Last Answer : 2) It conducts water and minerals efficiently
Description : Identify animals with respect to their characteristic features given below : 1. A limbless reptile
Last Answer : Identify animals with respect to their characteristic features given below : 1. A limbless reptile ... 5. The phylum which includes comb jellies
Description : Choose one of the following which would describe best the phrase "generally accepted auditing standards": a. They identify the policies and procedures for the conduct of the audit. b. They define the ... d. They set forth a measure a measure of the quality of the performance of audit procedures.
Last Answer : They set forth a measure a measure of the quality of the performance of audit procedures.
Description : Identify the correct stateme-nt with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermen-tation of biomass
Last Answer : Gas produced by fermen-tation of biomass
Description : Identify the correct statement on inhibin'. (a) Is produced by granulosa cells in ovary and inhibits the secretion of LH (b) Is produced by nurse cells in testes and inhibits the secretion of LH ... , FSH and prolactin (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH
Last Answer : (d) Is produced by granulosa cells in ovary and inhibits the secretion of FSH
Description : If you are against embryonic cell research for moral reasons, but we discover the cure for a disease you or your family member comes down with, will you use the treatment?
Last Answer : I think people opposed to embryonic cell research are ignorant. I think that people who say “yes” to your question but continue to oppose the research in general are selfish, hypocritical, and clueless.
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 : Name the embryonic stage that gets implanted in the uterine wall of a human female. -Biology
Last Answer : Blastocyst gets implanted in the uterine wall.
Description : What is the upper part of the embryonic root called ?
Last Answer : The upper part of the embryonic root is called the hypocotyl.
Description : Does Vertibrata become embryonic notochord ?
Last Answer : Answer : In the vertebrate phase, the embryonic notochord turns into a nerve.
Description : Which animal's body is made up of two embryonic cell layers ?
Last Answer : Answer : The body of a hydra is made up of two embryonic cell layers.
Description : What is embryonic layer ?
Last Answer : The embryonic layer is the cellular layer from which the tissues or organs are formed later.
Description : What is embryonic level ?
Last Answer : The layers in the gastrointestinal tract of the fetus are called embryonic layers.
Description : in which of the following the notochord is present in embryonic stage
Last Answer : in which of the following the notochord is present in embryonic stage A. All chordates B. Some chordates C. Vertebrates D. Non- chordates
Description : Animlas which are triploblatic with tube- within - tube type of body plan and embryonic blastopore forms anus (deutterostomia ) are
Last Answer : Animlas which are triploblatic with tube- within - tube type of body plan and embryonic ... Annelids B. Molluscs C. Platyhelminthes D. Echinoderms
Description : Connective tissues are derived from embryonic
Last Answer : Connective tissues are derived from embryonic A. Ectoderm B. Endo-mesoderm C. Endoderm D. Mesoderm.
Description : Correct sequence of human embryonic development is
Last Answer : Correct sequence of human embryonic development is A. Gastrocoel-Blastocoel-Neural Crest - ... . Blastocoel-Gastrucoel-Neural crest -Notochord.
Description : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus?
Last Answer : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus? A. Yolk one B. Amnion C. Chorion D. Allantois.
Description : Embryonic connective tissue is formed from
Last Answer : Embryonic connective tissue is formed from A. Ectoderm B. Endoderm C. Mesenchyma D. Mesogloes.
Description : Gonads/testes develop from embryonic
Last Answer : Gonads/testes develop from embryonic A. Ectoderm B. Endoderm C. Mesoderm D. Both mesoderm and endoderm.
Description : Allantois is embryonic membrane found in
Last Answer : Allantois is embryonic membrane found in A. Mammals B. Birds C. Reptiles D. Birds, mammals and reptiels.
Description : During embryonic period blood is form in :-
Last Answer : During embryonic period blood is form in :- A. Thymus gland B. spleen C. Liver D. All of the above
Description : $ The first formed embryonic cavity is called blastocoel. ! Annelids have a segmented body.
Last Answer : $ The first formed embryonic cavity is called blastocoel. ! Annelids have a segmented body. A. If both As ... is wrong D. If both As and R are wrong.
Description : Which germ layer developes first during embryonic development?
Last Answer : Which germ layer developes first during embryonic development? A. Ectoderm B. Mesoderm C. Endoderm D. Both 1 and 3
Description : During embryonic development , endoskeleton and muscle develop from which germinal layer :
Last Answer : During embryonic development , endoskeleton and muscle develop from which germinal layer : A. Ectoderm B. Endoderm C. Mesoderm D. Blastopore
Last Answer : Which extra-embryonic membrane in human prvents desiccation of the embryo inside the uterus? A. Yolk sac B. Amnion C. Chorion D. Allantois