Q1. Which tissue protects the entire body? |
Answer: Epithelial tissue |
Q2.Give one example each of: |
Answer1. Squamous epithelium (simple) - cheek cells |
2. Columnar epithelium - intestine |
Q3.Give one example of connective tissue in which matrix is solid? |
Answer : Bone |
Q4. Name the following: |
Ans: 1. Multinucleate muscle fibre: - skeletal muscle fibre |
2. Spindle shaped muscle fibre: - smooth muscle fibre |
3. Tissue which stores fats: - adipose |
4. Process of neuron, which carries impulse: -axon |
Q5.Name one structure in your body, which bears ciliated epithelium. |
Answer: Respiratory tract |
Q6.What is aerenchyma? |
Ans: It is a specialized parenchyma found in aquatic plants which consists of network of small cells that enclose air cavities. |
Q7.What is the difference between simple plant tissue and simple animal tissue? |
Ans: SIMPLE PLANT TISSUE | SIMPLE ANIMAL TISSUE |
1. Consists of same type of Cells. | Consists of one or more types of Cells. |
2. Arrangement varies. | Arranged in a single layer. |
Q8.What is the utility of tissues in multicellular organisms? |
Answer: 1.Division of labour 2. Higher organization 3. Higher survival |
Q9.What is a synapse |
Answer: Junction between two neurons. |
Q10.Where is apical meristem found? |
Answer: Root and stem tips |
Q11. Identify the type of tissue in the following? |
Answer: 1. Skin - epithelial 2. Bark - cork 3. Bone - connective |
4. Lining of kidney tubules - epithelial 5. Vascular bundle - xylem and phloem |
Q12. What is the role of epidermis? |
Answer: a. Protection b. Regulates transpiration C. Exchange of gases |
Q13.What will happen if apical meristem is damaged? |
Ans:Growth in length will stop. |
Q14.What are the components of phloem? |
Ans:1. Phloem parenchyma 2. Phloem fibres 3. Sieve tubes 4. Companion cells |
Q15.Name all simple plant tissues? |
Ans:1. Parenchyma 2. Collenchyma 3. Sclerenchyma |
