Control and coordination questions class 10

Control and coordination questions class 10 (part 2)

1. Name tree stimuli which act on plants.
2. Explain the cause of shoots of the plant bending towards light.(Delhi 2008)
3. Name the two hormones secreted by pancreas. Write one function of each hormone named. (Delhi 2007)
4. Name the two types of neurons? How is the functioning of one different from the other?
5. What are releasing hormones? Where are they released from?
6. What is spinal cord and how is it protected?
7. Glucagon and insulin are antagonistic to each other. Justify the statement.
8. Name the three types of nerves and their functions.
9. Distinguish between sympathetic and parasympathetic nervous system.
10. What are cranial nerves? How many cranial nerves does a human being have?
11. What is the location of parathyroid gland? Name one important hormone of parathyroid gland.
12. What is thymus gland and state its location.
13. What is neuromuscular junction?
14. How do you support the statement that pancreas, are the overall controller of the blood glucose level?
15. What is the difference between a reflex action and walking?
16. Why is the use of iodised salt advisable?
17. Why are some patients of diabetes treated by giving injections of insulin?
18. What is hydrotropism? Describe an experiment to demonstrate hydrotropism?  (AI 2009)
19. What are the male and female gonads in human beings?
20. What is the difference between sensory and motor neurons? Which parts of human brain are responsible for auditory reception and sensation of smell?