Control and coordination Worksheet-26

Control and coordination Worksheet-26


Subjective questions:

  1. Name the source gland and give one main action of the following hormones :

(i) Prolactin, (ii) Calcitonin, (iii) Insulin


  1. Name the source gland and give one main action of the following hormones :

(i) Vasopressin , (ii) Oxytocin, (iii) Parathormone


  1. Draw an outline of the human body and show the location of any six endocrine glands.


  1. Name the source and one main function of the following :

(i) Insulin , (ii) Testosterone, (iii) Oxytocin


  1. Name the source gland and one major effect of each of the following hormones:

(i) Parathormone, (ii) Vasopressin, (iii) Progesterone


  1. Draw the diagram of a neuron.


  1. Draw a neat diagram of the nervous system in an insect.


  1. Nervous and hormonal system together perform the function of control and coordination in human beings. Justify the statement.


  1. Differentiate between hormonal control and nervous control.


  1. List the important functions of nervous system.


  1. Suggest a proof that even unicellular organisms like amoeba respond to stimuli. Justify giving two examples that even plants respond to stimuli.


  1. Give three examples each of tropic and nastic movements of plants.


  1. Give an account of the structure of hind brain in man.


  1. Define the following terms :

(a) nerve impulses

(b) axon

(c) olfactory receptors.


  1. What is the role of hormone in plant life?


  1. What is cerebrospinal fluid? What are its functions?


  1. What is the thyroid gland? Give its important functions.


  1. How does control and coordination take place in animal body?


  1. Give the difference between auxins and gibberellins.


  1. Write the main difference between auxins and cytokinins.


  1. Differentiate between plant growth and animal growth.


  1. What are the main differences between hormones and vitamins?


  1. Enumerate the three main parts of nervous system in man.


  1. What are the functions of plant hormones?


  1. What are voluntary and involuntary actions? Give examples.