Class-9 Biology

Chapterwise CBSE 
Notes & Assignment 

1. The Fundamental Unit of Life


2. Tissues

4 comments:

  1. UnknownApril 15, 2017

    Every multicellular organism arises from a single cell. How?

    ReplyDelete
    Replies
    1. CSCE TUTORIALApril 20, 2017

      Every cell of the multi-cellular organism has come from a single cell. After fertilization, the zygote is formed. The zygote is a single cell, then it give rise to all cells. The zygote multiply itself to form embryo.
      Hence, Every Multi-cellular organism arises from a single cell.

      Delete
  2. UnknownApril 15, 2017

    Every multicellular organism arises from a single cell. How?

    ReplyDelete
    Replies
    1. CSCE TUTORIALApril 20, 2017

      Every cell of the multi-cellular organism has come from a single cell. After fertilization, the zygote is formed. The zygote is a single cell, then it give rise to all cells. The zygote multiply itself to form embryo.
      Hence, Every Multi-cellular organism arises from a single cell.

      Delete

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Class - 9 Social Science