Fungi, Lichen Plant–Pathology and Bryophyta- Botany-BSC-Nagpur-Summer-2019
Bachelor of Science (B.Sc.) Semester—2 Examination
BOTANY (Fungi, Lichen Plant–Pathology and Bryophyta)
Optional Paper—1
Time : 3 Hours
Maximum Marks : 50
N.B. :— (1) All questions are compulsory and carry equal marks.
(2) Draw well labelled diagram wherever necessary.
1. Write on :
(a) Asexual reproduction in Albugo. [5M]
(b) Economic importance of fungi. [5M]
OR
Write short notes on :
(c) General characteristics of fungi.[2½M]
(d) Sexual reproduction in Albugo.[2½M]
(e) Classification of fungi (outline only).[2½M]
(f) Sexual reproduction in Mucor. [2½M]
2. Write on :
(a) Aecidial and pycnidial stage in Puccinia. [5M]
(b) V.t.s. thallus of lichen. [5M]
OR
Write short notes on :
(c) Foliose lichen[2½M]
(d) Telial stage in Puccinia[2½M]
(e) V.s. apothecium of lichen (diagram only).[2½M]
(f) Asexual reproduction in Cercospora. [2½M]
3. Write on :
(a) Classification of Bryophyta [5M]
(b) Red rot of sugarcane. [5M]
OR
Write short notes on :
(c) Leaf curl of Papaya[2½M]
(d) Citrus canker[2½M]
(e) Alternation of generations in Bryophyta[2½M]
(f) Economic importance of Bryophyta. [2½M]
4. Write on :
(a) V.t.s. thallus of Anthoceros [5M]
(b) L.S. sporophyte of Funaria. [5M]
OR
Write short notes on :
(c) L.S. male gametophore of Funaria[2½M]
(d) V.t.s. thallus of Riccia (diagram only)[2½M]
(e) Antheridium in Riccia[2½M]
(f) L.S. sporophyte of Anthoceros (diagram only). [2½M]
5. Write in two or three lines only (any TEN). Diagrams are not necessary :
(a) Saprophyte
(b) Haustoria
(c) Columella
(d) Epibasidium
(e) Isidia
(f) Geniculate
(g) Host
(h) Plant pathology
(i) Pathogen
(j) Involucre
(k) Rhizoids
(l) Pseudoelater. [10M]