46
White rust of crucifers is caused by
1
Puccinia
2
Ustilago
3
cystocarp
4
Peziza
Answer & Explanation
47
Clamp connection is common in
1
Ascomycetes
2
Basidiomycetes
3
Phycomycetes
4
Deuteromycetes
Answer & Explanation
48
The term 'mycorrhiza' was coined by
1
Frank
2
Beijerinck
3
Campbell
4
Ivanovsky
Answer & Explanation
49
In lichen, the type of symbiotic process is known as
1
heliotism
2
symbiotism
3
halotrophy
4
heliotrophy
Answer & Explanation
50
Which of the following is used in baking of bread?
1
Rhizopus stolonifer
2
Saccharomyces cerevisiae
3
Claviceps
4
Penicillium notatum
Answer & Explanation
Answer: Saccharomyces cerevisiae
51
Covered smut of barley is caused by
1
Ustilago nuda
2
Ustilago tritici
3
Ustilago hordei
4
Ustilago graminis
Answer & Explanation
52
Green mould is common name for
1
Neurospora
2
Mucor
3
Penicillium
4
Saccharomyces
Answer & Explanation
53
The most economically important bryophyte among the following is
1
Funaria
2
Marchantia
3
Riccia
4
Sphagnum
Answer & Explanation
55
Pseudoelaters are found in the sporophyte of
1
Marchantia
2
Pellia
3
Polytrichum
4
Anthoceros
Answer & Explanation
56
Rhizoids of Sphagnum are
1
unicellular
2
green-coloured
3
unicellular with septa
4
multicellular with oblique septa
Answer & Explanation
Answer: multicellular with oblique septa
57
The common element in the xylem of pteridophyte is
1
trachea
2
tracheid
3
xylem parenchyma
4
xylem fibre
Answer & Explanation
59
The stele in the rhizome of Marsilea is
1
pro to stele
2
haplostele
3
dictyostele
4
amphiphloic siphonostele
Answer & Explanation
Answer: amphiphloic siphonostele
60
Formation of sporophyte from a vegetative portion of prothallus is called
1
apocarpy
2
apogamy
3
apomixis
4
apospoiy
Answer & Explanation
