Fungi, Lichen Plant–Pathology and Bryophyta- Botany-BSC-Nagpur-Summer-2019 - Grad Plus

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]

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