Question

Fill in the blanks:

1. Apical meristem is present at the growing tips of stems and roots and increases the ……………. of the stem and the root.


2. The ………….. meristem helps to increase the girth of the stem or root.


3. The process by which cells take up a permanent shape, size, and a function is called ……………..


4. Large air cavities present in parenchyma of aquatic plants give ……………. to the plants to help them float.


5. Collenchyma is a …………… tissue present in plants which provides flexibility in plants.


6. The husk of a coconut is composed of …………… tissue.


7. Two kidney-shaped cells called ……………… cells enclose the stomata.


8. Cells of cork are dead and have a chemical called ……………. in their walls that makes them impervious to gases and water.


9. The ……………. parenchyma stores food and helps in the sideways conduction of water.


10. An extracellular fibrous ……………. membrane separates all epithelium from the underlying tissue.


11. The oesophagus and the lining of the mouth are covered with ……………… epithelium.


12. The …………….. epithelium is formed when the epithelial tissue folds inward and form a multicellular gland.


13. Blood has a fluid (liquid) matrix called …………….. in which red blood cells (RBCs), white blood cells (WBCs) and are suspended.


14. Bone cells are embedded in a hard matrix that is composed of …………….. and ……………. compounds.


15. Tendon is a connective tissue which connects …………….. to bones.


16. Cartilage ……………. bone surfaces at joints and is also present in the nose, ear, trachea and larynx.


17. The connective tissue found between the skin and muscles, around blood vessels and nerves and in the bone marrow is called as ……………. tissue.


18. The cells of ……………. muscular tissue are long, cylindrical, unbranched and multinucleate (having many nuclei).


19. Heart muscle cells are cylindrical, …………… and uninucleate.


20. Each neuron has a single long part, called the ……………. and many short, branched parts called ………………​

Answer 1

Answer:

1.height

2.lateral

3. differentiation

4.aerenchyma

5. complex

6. sclerenchyma

7. guard cells

8. suberin

9. xylem

10. basement

11. squamous

12. glandular

13. plasma

14. calcium and phosphorus

15. muscle

16. hyaline

17. muscular

18. voluntary

19. spindle shaped

20. axon,dendrite

Explanation:

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