-
CBSE 9th Biology | Organization in the Living World- Practice Questions
Organization in the Living World- Practice Questions Fill in the Blanks 1……………………. tissues are regions where cells have lost their ability to divide. 2. Elongated cells with thickenings at corners constitute 3. Tracheids and vessels are the main elements in the xylem. 4. Lining of alveoli and blood capillaries is formed by epithelium. 5…………………….. connect…
-
CBSE 9th Biology | Organization in the Living World- Long Answer Type Questions
Organization in the Living World- Long Answer Type Questions Question 1. Give a brief account of vascular or conductive tissues in plants. Answer. In vascular bundle of plants, conducting or vascular tissues-xylem and phloem are present. Presence of these tissues is a peculiar feature of higher plants due to which they are able to survive…