Annamalai University 2008-1st Year B.Sc Botany " 530ALGAE, FUNGI, VIRUS, LICHENS AND PLANT DISEASES " (PART –III / -I) 5261 - Question Paper
B.Sc. DEGREE EXAMINATION, 2008
(BOTANY)
1st YEAR
(PART –III / PAPER-I)
530. ALGAE, FUNGI, VIRUS, LICHENS AND PLANT DISEASES
Dec.) (Time: three Hours
Maximum: 100 Marks
SECTION-A (10×3=30)
ans ALL ques..
every ans should not exceed FIFTY words.
All ques. carry equal marks.
1. Trichome
2. Mannitol
3. Helotism
4. Any 2 algal groups without flagella
5. Hymenium
6. Basidium
7. Gram stain
8. Sex pili
9. Capsomere
10. Sanitation
SECTION-B (8×5=40)
ans ALL ques..
every ans should not exceed 250 words.
All ques. carry equal marks.
11. a) define the ultrastructural of a fungal cell.
(or)
b) define the germination of oospore in Albugo.
12. a) Name the kinds of spores produced in Puccinia.
(or)
b) define monokaryotic and dikaryotic mycelium of
Agaricus.
13. a) Write the protocol for bacterial staining.
(or)
b) Classify bacteria based on shape.
14. a) define the role of bacteria in industries.
(or)
b) Write any 5 uses of bacteria to mankind.
15. a) define the external structure and anatomy of thallus of Caulerpa.
(or)
b) define the structure of sex organs in Chara.
16. a) Write any 5 viral on plants and human beings.
(or)
b) define the structure of bacteriophage.
17. a) Comment on the distribution of lichens.
(or)
b) define asexual reproduction in lichens.
18. a) define symptoms and control measures of red rot of sugarcane.
(or)
b) define the different control measures of viral diseases.
SECTION-C (3×10=30)
ans any 3 ques..
every ans should not exceed 500 words.
All ques. carry equal marks.
19. Give an account of life cycle of a sapromycetous fungi that you have learned.
20. “Bacteria are our great friends and foes”. explain.
21. Discuss the properties of Virus.
22. Describe tikka disease of groundnut laying emphasis on symptoms of the disease and control
measures.
23. Describe the structure of thallus and mode of reproduction in Gracilaria.
Register Number: 5261
Name of the Candidate:
B.Sc. DEGREE eXAMINATION, 2008
(botany)
first year
(pARt iii / paper-i)
530. algae, fungi, virus, lichens and plant diseases
Dec.) (Time: 3 Hours
Maximum: 100 Marks
SECTION-A (103=30)
Answer ALL questions.
Each answer should not exceed FIFTY words.
All questions carry equal marks.
1. Trichome
2. Mannitol
3. Helotism
4. Any two algal groups without flagella
5. Hymenium
6. Basidium
7. Gram stain
8. Sex pili
9. Capsomere
10. Sanitation
-2-
SECTION-B (85=40)
Answer ALL questions.
Each answer should not exceed 250 words.
All questions carry equal marks.
11. a) Describe the ultrastructural of a fungal cell.
(or)
b) Describe the germination of oospore in Albugo.
12. a) Name the types of spores produced in Puccinia.
(or)
b) Describe monokaryotic and dikaryotic mycelium of
Agaricus.
13. a) Write the protocol for bacterial staining.
(or)
b) Classify bacteria based on shape.
14. a) Describe the role of bacteria in industries.
(or)
b) Write any five uses of bacteria to mankind.
15. a) Describe the external structure and anatomy of
thallus of Caulerpa.
(or)
b) Describe the structure of sex organs in Chara.
16. a) Write any five viral on plants and human beings.
(or)
b) Describe the structure of bacteriophage.
-3-
17. a) Comment on the distribution of lichens.
(or)
b) Describe asexual reproduction in lichens.
18. a) Describe symptoms and control measures of red rot
of sugarcane.
(or)
b) Describe the various control measures of viral
diseases.
SECTION-C (310=30)
Answer any THREE questions.
Each answer should not exceed 500 words.
All questions carry equal marks.
19. Give an account of life cycle of a sapromycetous fungi that you have studied.
20. Bacteria are our great friends and foes. Discuss.
21. Discuss the properties of Virus.
22. Describe tikka disease of groundnut laying emphasis on symptoms of the disease and control measures.
23. Describe the structure of thallus and mode of reproduction in Gracilaria.
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| Earning: Approval pending. |
