Fill in the blanks. 1. Organisms which are made up of a single cell are called ...................  organisms. 2. Muscles cells are  .........................  and contractile. 3. The jelly-like fluid that surrounds the nucleus of a cell is called  ...............................4. ................................  membrane is a selectively permeable membrane. 5. The .................................  contains a network of thread-like structures called chromatin network. 6. Golgi bodies are also called .................................... 7. A plant cell gets shape and support from its ......................8. In a plant cell food is manufactured in ...................... 9..................................  give colour to flowers and fruits. 10. Fluid-filled cell organelles that are usually larger in a plant cell than in an animal cell are called ..............................