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NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER/NOVEMBER 2014 EXAMINATION

COURSE CODE:           BIO 306

COURSE TITLE:            GENERAL PHYSIOLOGY II

TIME ALLOWED:         2 Hours

INSTRUCTION: Answer question ONE (1) and any other THREE (3) questions

  1. (a) List the factors affecting stomatal opening and closing.                                                         (5 marks)

(b) Explain briefly how water and nutrients are transported in plants.                                        (12 marks)

(c) Evaluate how terrestrial animals overcome the problems of water loss and water gains.    (8 marks)

 2. Describe in details the functions of the blood.                                                                              (15 marks)

 3. With relevant examples show the various ways reflex response is applied in our daily activities.  

(15 marks)

 4. (a) Outline the functions of the spinal cord.                                                                                 (3 marks)

     (b) Summarize the significance of diffusion and osmosis in osmoregulation.                             (12 marks)

  1. In a tabular form, distinguish between hormonal and Nervous Control Properties.                    (15 marks)

 6. Discuss the influence of some physical factors on the rate of water absorption in plants.         (15 marks)


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