TEST PAPER 29 : CHAPTER 15 : CONTROL & COORDINATION IN LIVING ORGANISMS : 25 MARKS

There are 13 questions in all and time limit is 45 minutes.

SECTION - A : CHOOSE APPROPRIATE ALTERNATIVE : [1 mark each, Total marks 3]

1. The sunflower plant bends towards the sun. It is _____ response.
   
   
   
   1. thigmonastic
   2. seismonastic
   3. thermonastic
   4. photonastic
      
   
   
2. The space between meninges is filled with...
   
   
   
   1. lymph
   2. blood plasma
   3. cerebrospinal fluid
   4. ACTH
      
   
   
3. Which organ is not controlled by autonomous nervous system ?
   
   
   
   1. Heart
   2. Uterus
   3. Glands
   4. Eyes
      
   
   

   SECTION - B : ANSWER IN SHORT : [1 mark each, Total marks 3]
   

4. What is stimulus ?
5. What does nervous system of insects consist of ?
6. What is the function of cerebellum ?
   
   

   SECTION - C : ANSWER IN BRIEF : [2 marks each, Total marks 8]
   

7. What is tropism ? Mention its types.
8. Describe photoperiodism.
9. Mention characteristics of hormones.
10. Mention four endocrine glands. Why is pituitary gland called master gland ?
    
    

    SECTION - D : ANSWER THE FOLLOWING : [3 marks each, Total marks 6]
    

11. Describe : Nastic movement.
12. Write a note on autonomous nervous system.
    
    

    SECTION - E : ANSWER IN DETAIL : [5 marks each, Total marks 5]
    

13. Describe : Spinal cord and reflex action.