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Poultry Diseases and Their Control 2010 Question Paper For CBSE Class XII Exams

1. Enumerate five predisposing factors of disease. (1�5=5 Marks)
2. Name five viral diseases of poultry, which can be prevented by vaccination. (1�5=5 Marks)
3. Enlist the four types of clinical manifestations of the Marek's disease and describe the transient paralysis form In short. (2+3=5 Marks)
4. What is coccidiosis in poultry? Enumerate the two forms of coccidiosis with its Causative agents and two important clinical sings and post-mortem lesions for each form. (1�4=4 Marks)
5. Write four advantages of vaccination in poultry flock.(1�4=4 Marks)
6. Name four immunosuppressive diseases of poultry.(1�12=4 Marks)
7. Fill up the blanks:

   (i) Iron is required for the formation of ____________.
   (ii) Vitamin B complex is a group of ______________soluble vitamins.
   (iii) When layers are reared in cages, few of them develop leg paralysis. This condition is known as ______________.
   (iv) _______________are also known as cancer of neoplasm.
   (v) Vitamin_____________ is essential for metabolism of calcium and Phosphorus in the body.
   (vi) _____________is also known as 'crazy chick disease'.
   (vii) In deficiency of _______________acid, there is enlargement of hock Joints and paresis.
   (viii) Vitamin ______________is also known as ascorbic acid.
   (ix) _______________is required for body metabolism and functioning of thyroid gland.
   (x) Botulism is caused by_______________.
   (xi) Ducks are also infected by Borrelia anserina, causing__________
   (xii) Ornithosis is caused by ______________.