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प्रश्न
Write about any three organelles in detail.
उत्तर
The three organelles are as follows
1. Chloroplasts:
- They are green organelles seen in plant cells only.
- They can prepare food using sun is energy and photosynthesize since they contain the pigment chlorophyll.
- They absorb the radiant energy of the sun and convert it to chemical energy to be used by plants and animals.
2. Golgi Complex:
- They are cell organelles which consist of membrane bound sacs stacked on top of one another and have associated secretory vesicles.
- Golgi complex helps in production of secretory substances, packaging and secretion.
3. Mitochondria:
- It is a oral double membrane bounded organelle.
- Aerobic respiration occurs in mitochondria and energy is released. Hence mitochondria is called as power house of the cell
- The energy produced is used for metabolic activities of the cell.
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संबंधित प्रश्न
State whether the following statement is true (T) or False (F):
Protoplasm is the part of the cell which surrounds the nucleus.
Given below are the sketches of two types of cells A and B.
(a) Which one of these is a plant cell? Give reasons in support of your answer.
(b) List the cell structures which are common to both types.
(c) Name the structures found only in plant cells and those found only in animal cells.
List the major differences between a plant cell and an animal cell
Identify the lettered parts of the typical plant cell shown in the following figure.
True or False – If false give the correct answer
Only plant cells have chloroplasts.
Compare the plant cell and the animal cell and complete the illustration given below.
What are the functions of cell wall in plant cells?
______ cells have the ability to multiply and develop into different types of cells.
Bacteria is an animal cell.
Analogy:
Plant tissue: Xylem:: Animal tissue: ______.
