Q. 1. Why does living organisms show movement?
Q. 2. Name the organs of our peripheral nervous system?
Q. 3. What happens at the synapse between two neurons?
Q. 4. What are nastic movements?
Q. 5. Give an example of plant hormone that promotest growth?
Q. 6. Which signals will get disturbed in case of a spinal cord injury?
Q. 7. What is the role of brain in reflex action?
Q. 8. Why are some patients of diabetes treated by giving injections of insulin hormone?
Q. 9. What is the need for a system of control and co-ordination in an organism?
Q. 10. Differentitate between endocrine gland and dexocrine gland?
Q. 11. Write some characteristics of hormones of animals?
Q. 12. Compare and contrast nervous and hormonal mechanisms for control and co-ordination in the animals?
Q. 13. Give various functions performed by plant hormones?
Q. 14. What is reflex action and reflex arc? Explain with the help of examples:
Q. 15. Give the various functions of brain?
Q. 16. What is the difference between reflex action and walking?