1. Tissue is a group of cells having similar origin, structure& function. Study of tissues is called Histology 2. In unicellular organism (Amoeba) single cell performs all basic functions, whereas in multi-cellular organisms (Plants and Animals) shows division of labor as Plant tissue & Animal tissues. 3 . Plant tissues are two types : Meristems & Permanent tissues. 4. Meristems: The Meristems are the tissues having the power of cell division. It is found on those region of the plant which grows. 5. Types of Meristems; 1. The Apical meristems – It is present at the growing tip of the stem and roots and increases the length. 2. The lateral meristems - present at the lateral side of stem anf root (cambium) and increases the girth. 3. The intercalary meristems - present at internodes or base of the leaves and increases the length between the nodes. ( Please refer to Fig. 6.2: location of meristems in plant body , NCERT Book Page- 69). 26. Perman
CBSE NCERT SOLUTION, STUDY MATERIAL, NOTES,CTET, SAMPLE PAPER, SCIENCE, PHYSICS, CHEMISTRY, BIOLOGY, CBSE QUESTION PAPER, SAMPLE PAPER, CBSE Syllabus; CBSE Model Papers; BOARD Exam PAPER; ONLINE STUDY HELP, STUDY MATERIALS, For CLASS 6 to 12, PDF FILE, YouTube VIDEO for lessons.