Question
Write down differences between organ and organelle.
Organs | Organelles | ||
1. | They are found in multicellular organisms. | 1. | They are found in all eukaryotic cells. |
2. | They are large sized. | 2. | They are very small sized. |
3. | They may be external or internal to the body of organisms. | 3. | They are mostly internal. |
4. | Organs coordinate to form organ systems, while organ systems form the body of an organism. | 4. | Organelles coordinate to produce the cell. |
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Write down four characters of Chondrichthyes. Give two examples.
Why are whales not grouped in fishes?
Write notes on plants and animals as sources of food.
Define the following terms:
| Column I | Column II | ||
| a. | Fungal disease | i. | Dengue fever |
| b. | Viral disease | ii. | Cholera |
| c. | Protozoan disease | iii. | Skin disease |
| d. | Bacterial disease | iv. | Malaria |
Describe the proteins of plasma membrane.
Write down about location, structure and functions of parenchyma.