-
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-Conceptual Questions
Organization in the Living World-Conceptual Questions with Answers Question 1. In Arctic area where temperature is recorded in minus degrees and land is frozen we can see polar bears. What made their survival possible in such conditions? Answer. In animals, fat storing adipose tissue is found below the skin and between internal organs. The cells…