Botany model Question Paper : www.mlsu.ac.in Mohanlal Sukhadia University

[mariammal]

MODEL PAPER
M Sc. (Previous) Examinations, 2011-12
(Faculty of Science)
Biology and Diversity of Microbes
SEMESTER-I
BOTANY PAPER-I

SECTION-A :
Maximum Marks : 45
1. Dolipore septum is a characteristics feature of class -
(A) Ehytridiomycetes (B) Basidiomycetes
(C) Ascomycetes (D) Zygomycetes
2. Isomorphic alternation of generation is found in -
(A) Albugo (B) Protomyces
(C) Allomyces (D) Penicillium
3. Haplobiotic diploid type of life cycle is a characteristic feature of a -
(A) Albugo (B) Olpidium
(C) Phyllactinia (D) Puccinia
4. The monograph “Nova Plantrum Genera” was written by -
(A) Parsoon (B) Alexoponlos
(D) De Bary (D) Micheli

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5. Biflagellated 300 spores with one whiplash and one tinel flagellum was produced by fungi belonging to class -
(A) Oomycetes (B) Plasmodiophoromycetes
(C) Chytridiomycetes (D) Hypochytridiomycetes
6. “White Blister Of Sarson” disease is caused by -
(A) Phytophthora (B) Albugo
(C) Olpidium (D) Protomyces
7. Which of the following is an obligate symbiont?
(A) Penicillium (B) Aspergillus
(C) Peronospora (D) Glomus
8. Talaromyces is the perfect stage for -
(A) Aspergillus (B) Helminthosporium
(C) Penicillium (D) Alternaria
9. Cleistothecia are produced by fungi belonging to -
(A) Plectomycetes (B) Pyrenomycetes
(C) Discomycetes (D) None of the above
10. Which of the following fungi is an example of facultative parasite?
(A) Phtyophthora (B) Ustilagomaydis
(C) Albugo (D) Erysiphe
11. Which of the following is an example of unicellular thallus?
(A) Saccharomyces (B) Synchytrium
(C) Plasmopara (D) (A) and (B) above
12. Which of the following organisms cannot be cultured in laboratory?
(A) Alternania (B) Helminthosporium
(C) Puccininia (D) Fusarium
13. Which of the following is present in plasma membrane of Albugo?
(A) Cholesterol (B) Ergasterol
(C) Phytosterol (D) None of the above
14. Which of the following is not an ediable fungus?
(A) Morchella (B) Plearatus
(C) Agaricus (D) Uromyces
15. The famous “Irish Potato Famine” was caused by -
(A) Synchytrium endo bioticum (B) Phytophthora infestans
(C) Alternaria solani (D) None of the above
16. Who discovered “Bordeaux mixture” -
(A) Millardot (B) De Bary
(C) Stakman (D) Martin
17. Which of the following organisms is insensitive to penicillin?
(A) Mycoplasma (B) L- Form bacteria
(B) Bacteria (D) All of the above
18. Which of the following viruses contains DNA?
(A) Bacteriophage (B) Most animal viruses
(C) Dahalia mosaic virus (D) All above
19. Ergot Disease of Bajra is caused by -
(A) Claviceps (B) Solerospora
(C) Tolyposporium (D) Curvularia
20. Neurospora Crassa belongs to which class?
(A) Ascomycetes (B) Basidiomycetes
(C) Trichomycetes (D) Zygiomycetes
21. Dichotomously branched geonidiophores with acute apices are present in?
(A) Plasmopora (B) Sclerospora
(C) Peronospora (D) Sclerophthora
22. Which of the following is an ectoparasite?
(A) Erysiphe (B) Synchytrium
(C) Protomyces (D) Olpidium
24. A bicelled, thick walled, pedicellate telentosporeis present in -
(A) Puccinia (B) Helmin Thosporium
(C) Uromyces (D) Phragmodium
25. Which of the following diseases is caused by Phytoplasma?
(A) Sandal Spike (B) Blight of Maize
(C) Tikka disease of groundnut (D) Green-ear of Bajra
26. Which of the following is a caprophilous fungus?
(A) Melampsora (B) Sphacelotheca
(C) Piloboulos (D) Peronospora
27. Cadang – Cadang disease is caused by -
(A) Virus (B) Viroid
(C) MLO (D) Bacteria
28. Cell wall of cynobacteria is made of -
(A) Mureine (B) Cellulose
(C) Chitin (D) None of the above
29. Clamp connections are present in the mycetium of -
(A) Basidiomycetes (B) Ascomycetes
(C) Chytridiomycetes (D) Zygomycetes
30. Which of the following fungi is use as Biocontrol of mosquito larvae?
(A) Curvularia (B) Cuetonomycetes
(C) Mucor (D) Rhizopus
31. Which of the following are virus transmitting agents?
(A) Cuscuta (B) Aphids
(C) Leafloppers (D) All of the above
32. Identify an incorrect combination -
(A) Little leaf of Brinjle – Phytoplasma
(B) White blister of Sarson – Phytophthora
(C) Rust of wheat – Puccinia
(D) Red rot of sugarcane – Coletotrichum
33. Motile gametes are produced by -
(A) Olpidium (B) Plasmopora
(C) Peronospora (D) Phyotophthora
34. Sclerotium is produced by -
(A) Albugo (B) Clavicops
(B) Synchytrium (D) None of the above
35. Dikaryotic mycelium is present in -
(A) Puccinia (B) Albugo
(C) Phytophthora (D) None of the above
36. Mesosomes are present in –
(A) Bacteria (B) Mycoplasma
(B) Viruses (D) Phytoplasma
37. Gram’s stain for bacterial identification is based on -
(A) Membrane structure (B) Cell wall composition
(C) Cell cytoplasm (D) None of the above
38. Which of the following fungi reproduces sexually by gametangial copulation?
(A) Mucor (B) Phytophthora
(C) Rhizopus (D) (A) and (C)
39. Apothecium is produced by those fungi which belong to -
(A) Pyrenomycetes (B) Plectomycetes
(C) Discomycetes (D) None of the above
40. Which of the following is a nitrogen fixing bacteria?
(A) Xanthomonas (B) Rhizobium
(C) Pseudomonas (D) All of the above
41. Infective naxed RNA which cause disease in plant species is -
(A) Prion (B) Virus
(D) Viroid (D) MLO
42. Which of the following is a key enzyme responsible for nitrogen fixation?
(A) Catalase (B) Tyrosine Ammonia Lyase
(C) Peroxidase (D) Nitrogenase
43. Plasmid ids present in -
(A) E. Coli (B) Saccharomyces
(C) Phytophthora (D) (A) and (B)
44. Heterocyst formation in cyano bacteria is meant for -
(A) Vegetative reproduction (B) Nitrogen fixation
(C) Food storage (D) All above
45. Which of the following is not a characteristic of phytoplasma?
(A) They are pleomorphic
(B) They are tetracycline sensitive
(C) They are penicillin insensitive
(D) They are culturable