Description : After the union of sperm and egg, the single-celled zygote develops into a multicellular organism with specialized cells by the processes of?
Last Answer : mitosis and diffrentiation
Description : A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive? A- .It contains DNA B- It is made of a single cell C- It utilizes energy D- All of these
Last Answer : All of these
Description : Capability of an isolated single cell to multiply and differentiate into multicellular organism
Last Answer : Ans. Totipotency
Description : Assertion : The nucleus of sperm fuses with the nucleus of ovum , before the formation of ootid . Reason : Diploid nuclear status of organism is essen
Last Answer : Assertion : The nucleus of sperm fuses with the nucleus of ovum , before the formation of ootid . ... . D. If both Assertion & Reason are False.
Description : On fertilization of egg nucleus with sperm nucleus
Last Answer : On fertilization of egg nucleus with sperm nucleus A. Second maturation is completed B. Embryo is ... body is formed D. First maturation is completed.
Description : In an egg, the type of cleavage is determined by (a) the amount and distribution of yolk (b) the number of egg membranes (c) the shape and size of the sperm (d) the size and location of the nucleus.
Last Answer : (a) the amount and distribution of yolk
Description : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as
Last Answer : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as – Heterofertilization
Description : Which cell in a multicellular organism undergo meiosis?
Last Answer : ALL Cells in organisms under go through meiosis
Description : What are rod shaped structers found in the nucleus of every cell in an organism?
Last Answer : Chromosomes
Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell
Last Answer : b) sperm cell
Description : Scientific study of plant Pollen, spores and certain microscopic planktonic organism is called —
Last Answer : Palynology
Description : What microscopic organism has eyes antennae and a flickering heart?
Last Answer : idrk i need the answer AS WELL ._.
Description : An alga which can be employed as food for human being is (a) Ulothrix (b) Chlorella (c) Spirogyra (d) Polysiphonia.
Last Answer : (b) Chlorella
Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.
Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.
Last Answer : An organism consisting of more than one cell is called a multicellular organism
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 : why is division of labour important in a multicellular organism -Biology
Last Answer : answer:
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 : 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 : 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 : $ 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 : Is there a gene bank in the world that contains a sample of every known living organism?
Last Answer : answer:No, there is not one that contains every living organism. The world's largest seed bank is managed by the Agriculture Research Service of the United States Department of Agriculture. It holds more ... capacity to store up to 1 million. SciDevNet Here is an article on some of the largest.
Description : Have you ever been or would you consider being an anonymous sperm or egg donor? Why or why not? (See details, please)
Last Answer : It would be too weird for me to both father a child and not raise it, and father a child and not even know about it.
Description : What is the roots arises from the horizontal arial branches of tree Banyan called?
Last Answer : Prop root
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : Which part of sperm enters in egg in human ?
Last Answer : Which part of sperm enters in egg in human ? A. Complete sperm B. Only head C. Head and middle piece D. Head and acrosome
Description : Where does Fertilization of a human egg by sperm takes place?
Last Answer : In the Fallopian tubes,
Description : . Select the incorrect statement. (a) Human males have one of their sex-chromosome much shorter than other. (b) Male fruit fly is heterogametic. (c) In male grasshoppers, 50% of sperms have no sex-chromosome. (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.
Last Answer : (d) In domesticated fowls, sex of progeny depends on the type of sperm rather than egg.
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
Last Answer : (b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation.
Description : 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
Last Answer : d) fertilisation takes place in human female
Description : is plankton single cell or multicellular?
Last Answer : is plankton single celled or multicellular
Description : Which one of the following is a fast growing tree? (a) Teak (b) Eucalyptus (c) Banyan (d) Coconut
Last Answer : Ans:(b)
Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)
Last Answer : (d) (ii) (iii) (iv) (i)
Description : When you think back to the beginning of your existence, do you identify yourself as the sperm cell, or do you identify yourself as the unfertilised egg cell?
Last Answer : Hmm. Well…. I guess I consider myself the sperm. I am a guy though…. I suspect others will think they are more like their gender identity as well.
Description : What process by which the egg cell and sperm cell unite during sexual reproduction?
Last Answer : The process is known as fertilisation (or fertilization in American English)
Description : If an egg cell contains 50 chromosomes how many chromosomes are in sperm cell from the same species?
Last Answer : 50
Description : Are gametes a sperm and egg cell?
Last Answer : Need answer
Description : How did the Great Banyan Tree (biggest tree in the world) get this huge?
Last Answer : answer:The banyan tree does not grow very tall vertically but drops branches that attach to the ground, root, and then grow horizontally. (Who among us here cannot read and write?) I used to ... connected directly or indirectly to the central trunk. Source. http://en.wikipedia.org/wiki/Banyan
Description : What type of modification of root is found in the Banyan tree? -Biology
Last Answer : Modification of root Roots in some plants change their shape and structure and become modified to perform functions, other than absorption and conduction of water and minerals. The roots are ... grow vertically upwards and help to get oxygen for respiration. These are known as pneumatophores.
Description : Consider the following statement and identify with the help of the code the tree with which the statement is related to? The branches of this tree root themselves like new trees over a large area. The roots then give ... legends of India. [CDS 2009] (a) Banyan (b) Neem (c) Tamarind (lmli) (d) Peepal
Last Answer : Ans: (a)
Description : Resin is a product of – (1) Grapes (2) Coniferous trees (3) Rubber tree (4) Banyan tree
Last Answer : (2) Coniferous trees Explanation: Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. It is distinct from other liquid cam-pounds found inside plants or exuded by plants, such as sap, latex, or mucilage.
Description : The tree popularly known as 'Green Gold', but which is an ecological disaster, is - (1) Banyan (2) Peepal (3) Eucalyptus (4) None of these
Last Answer : (3) Eucalyptus Explanation: Several trees such as Neem, bamboo, eucalyptus, etc., are known as 'green gold.' Eucalyptus is called green gold because of its widespread use in the international wood products ... . Be-sides, it is host to Cryptococcus's, a fungus that attacks the human nervous system.
Description : The latex of which plant is used commercially? (1) Papaya plant (2) Sial kanta plant (3) Rubber plant (4) Banyan tree
Last Answer : (3) Rubber plant Explanation: Natural rubber is harvested mainly in the form of the latex from the rubber tree. The latex is a sticky, milky colloid drawn off by making incisions in the bark ... in a process called "tapping". The latex then is refined into rubber ready for commercial processing.
Description : The National tree of India – (1) The coconut (2) The sandalwood (3) The banyan (4) the neem
Last Answer : (3) The banyan Explanation: Indian banyan (Ficus bengalensis) is the national tree of India. The tree is also known as Kalpavriksha, which mearns 'wish fulfilling tree'.
Description : Bharat Ratna is designed like the leaf of (1) Banyan tree (2) Peepal tree (3) Cocount tree (4) Sandalwood tree
Last Answer : Peepal tree
Description : The latex of which plant is used commercially ? (1) Papaya plant (2) Sial kanta plant (3) Rubber plant (4) Banyan tree
Last Answer : Rubber plant