Which of the following in moss capsule is haploid / gametophytic tissue ?
Annulus and peristome
Calyptra and spore
Columella and theca
Operculum foot and seta
Five kingdom scheme to classify living beings was given by
J B S Haldane
G G Simpson
E Mayr
R H Whittaker
Heterothallism was discovered by :
Blakeslee
Bessey
Butler
A Flemming
Plants forming spores but lacking seed and vascular tissue are :
Gymnosperms
Angiosperms
Bryophytes
Pteridophytes
Lichen is the pioneer vegetation on which succession ?
Hydrosere
Lithosere
Psammosere
Xerosere
Cell wall of fungi is made up of :
Fungal cellulose
Hemi cellulose
Fungal chitin
Both a and c
In pteridophytes, phloem is without :
Sieve cells
Sieve tubes
Companion cells
Bast fibres
Which one is the wrong pairing for the disease and its casual organism ?
Late blight of potato - Alternaria solani
Black rust of wheat - Puccinia graminis
Loose smut of wheat - Ustilago nuda
Rootknot of vegetables - Meloidogyne sp
In chlorophyceae, the mode of sexual reproduction is :
Anisogamy
Oogamy
Isogamy
All of these
Chlorophyll-b is not present in :
Green algae
Spirogyra
Blue-green algae
