Acharya Nagarjuna University (ANU) 2005 M.Sc Information and Communication Technology OLOGY, MYCOLOGY AND PLANT DISEASES - Question Paper

M.Sc. (Final) DEGREE EXAMINATION,
DECEMBER 2005.
Second Year
Botany
Paper VI - MICROBIOLOGY, MYCOLOGY AND PLANT DISEASES

Time : 3 hours Maximum : 100 marks

SECTON A- (5x8 =40 marks)
ans any 5 ques..

1. Biological Control.
2. Citrus Canker.
3. Endospores.
4. Industrial uses of fungi.
5. Basidiocarp.
6. Plant disease indexing.
7. Erysiphe cichovacearam.
8. Whip smut of sugarcane.

part B - (4x15= 60 marks)

9. (a) explain the role of microorganisms in the transformation of nitrogenous compounds.

Or

(b) Write a general account of control of plant viral diseases.

10. (a) elaborate the salient features of Ainsworths system of classification of fungi? (15)

Or

(b) provide an account of asexual and sexual reproduction in zoosporic fungi.

11. (a) Write briefly about the mechanism of entry of plant pathogens in to plants. (15)

Or

(b) Write briefly about mushroom cultivation.

12. (a) elaborate the symptoms for detection of .damping off. disease of vegetables? elaborate the causal organisms and factors affecting disease development? (15)

Or

(b) explain the symptoms, etiology and epodemiology of groundnut ruat

Earning:   Approval pending.