Skip to main content

NCERT Solutions For Class 9 Science - What is Cell?

NCERT Solutions For Class 9 Science - What is Cell?


Cell - A cell is basically the structural and fundamental unit of life. If we were to break an organism to the cellular level, the smallest independent component that we would find is known as the cell. Cells are the structural unit of all living beings as they provide structure to the body. They come in different shapes and sizes, just like bricks of the buildings. Based on a number of cells, all organisms are divided as unicellular (single cells) and multicellular (many cells).

Cell Theory was proposed by the German scientists, Theodor Schwann, Matthias Schleiden, and Rudolf Virchow which states that:


1. All living species on Earth are composed of cells.

2. A cell is the basic unit of life.

3. All cells arise from pre-existing cells.

 
Click to read and learn complete fundamental unit of life, related questions below for NCERT class 9

  1. What are the Characteristics of a Cell?
  2. What are the functions of cells?
  3. Who discovered Cell?
  4. What is Cell theory?
  5.  What are the types of a cell?
  6. Differentiation between Prokaryotic and Eukaryotic cells
  7. Cell structure – Cell membrane, Nucleus, Cell wall and Cytoplasm
  8. Cell Organelles – Golgi Apparatus, Endoplasmic Reticulum, Mitochondria, Lysosomes, Vacuoles, and Plastids
Visit Takshila Learning Live class for Class 9 and 10th class one to one or group classes.
Labels:

Comments

Post a Comment

Thank you we will contact ASAP.

Popular posts from this blog

Why is Hindi Day celebrated on 14 September?

Why is Hindi Day celebrated on 14 September? After independence, the Government of India set a goal to give an ideal form to the mother tongue of the country and set a target for grammar and orthography using the Devanagari script to bring standardization in writing. Subsequently, on September 14, 1949, the Constituent Assembly decided by a vote that Hindi would be the official language of India. To propagate the importance of this decision and to spread Hindi in every region, India is celebrating Hindi Day every year from 1953 to 14 September, at the request of Rashtrabhasha Prachar Samiti, Wardha. Apart from this, 14 September is also the birthday of Rajendra Singh, who worked tirelessly to make Hindi the official language of India. Hindi Day is observed every year on 14 September to mark the importance of the Hindi language in the country. The Hindi language is one of the oldest languages, which derives most of its academic vocabulary from the Sanskrit language written in the Deva
Post a Comment
Read more

Magnetic and non-magnetic material Class 6 Science

Magnetic and non-magnetic material  Class 6 Science A magnet is a substance that is drawn to certain magnetic materials like iron, cobalt, and nickel. Magnets have the ability to draw iron to them. Natural magnets are rocks that naturally draw iron. Non-magnetic materials include things like wood, rubber, coins, feathers, leather, etc. that are not drawn to iron. Magnet characteristics It pulls magnetic materials, such as iron. The magnet's two ends are referred to as its poles. The magnet's diametrically opposed poles are drawn together. Heating, hammering, or dropping causes it to lose its characteristics. On the basis of properties types of Magnets Temporary magnets are those magnets that are magnetic for only a little duration. Typically, iron, cobalt, or nickel are used to make them. When they are close to the powerful magnet, they act like a magnet. When they are yanked away from the powerful magnet, they stop being magnetic. Permanent magnets are magnets that have magne
Post a Comment
Read more