Description : Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene
Last Answer : Ans:(a)
Description : When all cells in the embryo of a multicellular organism are identical. later in development the cells become specialized through a process called?
Last Answer : What is the answer ?
Description : In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference. -Biology
Last Answer : Unicellular organisms can absorb sufficient oxygen because of its complete contact with the atmosphere, but in multicellular organisms the rate of absorption and diffusion becomes very less because all ... of oxygen to sustain life processes which cannot be fulfilled by the process of diffusion.
Description : How does the length of the history of life help to explain the evolutionary events of single-celled organisms to complex multicellular organisms like mammals?
Last Answer : Not sure
Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology
Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.
Description : What are the normal chromosome numbers of a sperm egg and zygote respectively?
Last Answer : monoploid, monoploid and diploid
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)
Description : In what ways if any does a single celled organism differ from its parent?
Last Answer : In what ways, if any, does a single-celled organism differ from its parents?
Description : The biggest single-celled organism is – (1) Yeast (2) Acetabularia (3) Acetobacter (4) Amoeba
Last Answer : (4) Amoeba Explanation: Researchers, in October 2011, found "giant amoebas" (Xenophyophores) beneath the surface of the Pacific in the Mariana Trench. At more than four inches in length, they are the largest single-celled organism on Earth. They are found exclusively in the deep sea.
Description : The biggest single-celled organism is (1) Yeast (2) Acetabularia (3) Acetobacter (4) Amoeba
Last Answer : Amoeba
Description : Capability of an isolated single cell to multiply and differentiate into multicellular organism
Last Answer : Ans. Totipotency
Description : Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology
Last Answer : How is the constancy maintained in these three stages? Answer. Yes, zygote, embryonic cell and adult of a particular organism always constant have constant chromosome number. Sexual reproduction includes gamete formation through meiosis and fertilization.
Description : The Correct Statements with reference to single called organisms are (i) Complex substances are not broken down in to simpler substances. (ii) Simple diffusion is sufficient to meet the requirement of exchange of gases. (iii) Specialized ... b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iv)
Last Answer : Answer: (c)
Description : 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
Last Answer : (a) Ovules develop into embryo sac.
Description : The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote
Last Answer : ANSWER: A -- GASTRULA
Description : Assertion : Egg of eutherian is multicellular . Reason : Many follicular cells are attached with surface of egg .
Last Answer : Assertion : Egg of eutherian is multicellular . Reason : Many follicular cells are attached with surface ... D. If both Assertion & Reason are False.
Description : Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.
Last Answer : (d) at the time of fusion of a sperm with an ovum.
Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science
Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.
Description : The test-tube baby programme employs which one of the following techniques? (a) Intra Cytoplasmic Sperm Injection (ICSI) (b) Intra Uterine Insemination (IUI) (c) Gamete Intra Fallopian Transfer (GIFT) (d) Zygote Intra Fallopian Transfer (ZIFT)
Last Answer : (d) Zygote Intra Fallopian Transfer (ZIFT)
Description : 88. The Test-tube Baby Programme employs which one of the following techniques ? (1) Zygote intra fallopian transfer (ZIFT) (2) Intra cytoplasmic sperm injection (ICSI) (3) Intra uterine insemination (IUI) (4) Gamete intra fallopian transfer (GIFT)
Last Answer : ) Zygote intra fallopian transfer (ZIFT)
Description : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic cells are also called "stem cells"
Last Answer : $ Cellular totipotency means that single cell can give rise to a fully grown multicellular organisms ! Meristematic ... D. If both As and R are wrong.
Description : What are the functions and adaptions of the following;a. Palisade cellb. Spongy mesophyll cellc. Sperm and egg celld. Ciliated cellse. Root hair cellf. Red and white blood cells?
Last Answer : common unvalidated interventions
Description : why is division of labour important in a multicellular organism -Biology
Last Answer : answer:
Last Answer : An organism consisting of more than one cell is called a multicellular organism
Description : Sponges are most primitive multicellular organism with which of the following levels of organization ?
Last Answer : Sponges are most primitive multicellular organism with which of the following levels of organization ? A. ... B. Cellular C. Tissue D. Organ system
Description : Which cell in a multicellular organism undergo meiosis?
Last Answer : ALL Cells in organisms under go through meiosis
Description : What organism is found that has the following traits Produces seeds Has a vascular system Multicellular What kingdom does this organism most likely belong in?
Last Answer : Plantae Double checked on Apex
Description : Why co-ordination is necessary in multicellular organism?
Last Answer : It is necessary for proper functioning of body. Without co-ordination various organs and systems cannot work properly. It is necessary so that all the systems and organs can to their right job. In short co-ordination is necessary for existence of organisms.
Description : Describe the level of organization from unicellular to multicellular organism?
Last Answer : Cell ---> Tissue ---> Organs ---> Systems ---> organism
Description : Define multicellular organism?
Last Answer : The living organism made of two or more cells called multicellular organism such as, human
Description : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk.
Last Answer : Assertion : Cleavage in human zygote is holoblastic . Reason : Its egg contain enormous quantity of yolk ... D. If both Assertion & Reason are False.
Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.
Last Answer : a) pattern of cleavage
Description : Filiform apparatus is a characteristic feature of (a) suspensor (b) egg (c) synergid (d) zygote.
Last Answer : (c) synergid
Description : The archesporium of ovule is (a) Single celled terminal (b) Single celled central (c) Single celled hypodermal (d) Single celled lateral Ans. (c) ..................... ... formed after one fertilization (3) Seed is formed before double fertilization (4) Fruit is produced after double fertilization
Last Answer : Ans. ((c))
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
Description : NAME THE PHENOMENON AND ONE BIRD WHERE THE FEMALE GAMETE DIRECTLY DEVELOPS INTO A NEW ORGANISM.
Last Answer : ANS. PARTHENOGENESIS, TURKEY.
Description : How do single celled organisms exchange genetic material?
Last Answer : http://paleobiology.si.edu/geotime/main/foundation_life2.html does this help??
Description : single - celled eukaryotes are included in
Last Answer : single - celled eukaryotes are included in A. Portista B. fungi C. Archaea D. Monera
Description : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in protein, minerals and vitamins. (b)
Last Answer : Select the correct statement out of (a-d) (a) single celled spirulina can produce large quantities of food rich in ... d C. b,c and d D. a and b
Description : What is the difference between a single celled creature and a multi-celled creature?
Last Answer : Need answer
Description : Are arachnids single or multi celled?
Last Answer : Is a arachnids a single or multi celled
Description : What pathogen is a single celled microorganism?
Description : Are arachnids multi celled or single celled?
Description : Is a volvox multi celled or single celled?
Description : Are amoeba single celled or multi celled?
Description : Are night crawlers single-celled or multi-celled?
Last Answer : They are multi-cellular.
Description : Is an insect single celled?
Last Answer : No.
Description : What is Yeast that makes bread rise is a type of single celled?