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science note cell division grade 10

Cell-division The formation of new cells from persisting cell is called cell division. It is of two types. They are as follows. i) Mitosis cell division (mitotic cell division) ii) Meiosis cell division (meiotic cell division) i) Mitosis cell division (mitotic cell division) The cell division in which daughter cells are formed from a mother cell is called mitosis cell division (mitotic cell division). In this cell division, the number of chromosomes in each daughter cell is equal to the number of chromosomes in each mother cell. This cell division occurs in somatic cell. ii) Meiosis cell division (meiotic cell division) The cell division in which four daughter cells are formed from the a mother cell is called Meiosis cell division (meiotic cell division).In this cell division, the number of chromosomes in each daughter cell is half in comparison to the number of chromosomes in mother cells. This cell division occurs in reproductive cell. In details. i) Mi...

science note grade 10 virus

--> Virus   Viruses are the micro-organisms. They can’t grow and persists outside the living cells. They are responsible for many diseases. So, they are called obligatory parasite. Virus has the characteristics of both living things and non-living things. So, they are kept in boarder line of living things and non-living things. Characteristics of virus that make it living being.  i) They contains genetic materials (DNA and RNA)  ii) They are responsible for many diseases.  iii) They can reproduce.  iv) They are formed of organic macromolecules. v) Some virus contains vitamin like riboflavin. Characteristics of virus that makes it non-living being.  i) They have nucleus and cytoplasm.  ii) They behave as inert chemicals outside the host cell.  iii) They don’t have energy producing structure. iv) They don’t ingest food like other organisms. Mode of transmission of virus  Virus is transmitted through the dr...

science note Hereditary and evolutions

Hereditary and evolutions Heredity: The process of transferring parental characteristics to their offspring is called heredity.  Genetics:  The branch of biology which deals about mechanism of heredity and variation is called genetics. ڢ Gregor Mendel is the scientist who studied about the mechanism of heredity. Mendel is called father of genetic. Mendel took pea plant in the experiment to study about the mechanism of heredity. Reasons for taking pea plant in the experiment are as follows.  i) It contains large number of alternating / contrasting character such as tall and draft, round seed and wrinkled seed.  ii) Their life spam is short.  iii) It is easy to cultivate. iv) Artificial cross pollination can be done in pea plant easily. Mendel’s experiment  To study about the mechanism of heredity, Mendel took tall and dwarf pea plant. He made artificial cross pollination between tall and dwarf pea plant. In the 1st generat...

England vs Italy Euro 2012 june 24 2012 highlights

England vs Italy Euro 2012 june 24 2012 (2012-6-24) England vs Italy quarter finals euro 2012 line ups:      England                          Italy       [ 4-4-1-1 ]          [ 3-5-2 ]   Joe Hart           Gianluigi Buffon   Glen Johnson   Leonardo Bonucci   John Terry   Daniele De Rossi   Joleon Lescott   Andrea Barzagli   Ashley Cole   Christian Maggio   James Milner   Claudio Marchisio   Steven Gerrard   Andrea Pirlo   Scott Parker   Thiago Motta   Ashley Young   Federico Balzaretti   Wayne Rooney   Mario Balotelli   Danny Welbeck Antonio Cassano video highlights (Note:   video is not hosted here) : click here to download Tags: euro 2012 England v...

Col Muammar Gaddafi has been killed

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 Col Muammar Gaddafi   Col Muammar Gaddafi has been killed in sirte. Unconfirmed reports claim that he had been captured before death. His two leg was wounded.  Libyan Prime Minister Mahmoud Jibril has told a news conference Col Gaddafi is dead, it is confirmed.  Prime Minister David Cameron says today is a day to "remember all of Col Gaddafi's victims". He adds that the Libyan people now have a better chance of building a "strong and democratic future".   Tag: Col Muammar Gaddafi killed photo video capture

bryan adams concert video nepal

bryan adams concert video in dasarath rangasala , kathmandu , nepal   Bryan adam concert was in feb 20. bryan adams concert video is not currently available. Bryan Adams perform concert in dasarath , rangasala , kathmandu, nepal.. But capturing picture or videos was not allowed. So, video is not available easily. People had the hope that bryan adams team member will later give video of all but it wasn't available. Tags: bryan adams concert viedo videos vidoe

bryan adams concert ticket nepal

Ticket for bryan adams concert in nepal :      Upto now ticket for bryan adams is not available..........Ticket range is from rs 2,000 to 4,000. 3rd class - rs 2,000 2nd class- rs 3,000 1st class rs - 4,000. It is not fixed when bryan adams concert ticket will be available...... when ticket will be available then it will be updated.....