Diatoms belong to which class ?
Phaeophyceae
Bacillariophyceae
Chlorophyceae
Xanthophyceae
Chlamydomonas nivalis is responsible for :
Red snow
Red rust of tea
Yellow snow
Brown snow
The number of species classified in "species plantarum" is.
5900
6000
4000
3800
A group of plants which are autotrophs, their sex organs are non-jacketed and whose zygotes secrete thick wall are called :
Phycophytes
Lichens
Bryophytes
Thallophytes
In Funaria, antheridial branch is called :
Male flower
Female head
Male cone
Female cone
System Nature was written by.
Ernst Mayr
Carolus Linnaeus
R H Whittaker
W M Stanley
The kidney-shaped covering of sorus in Dryopteris, is called :
Placenta
Ramentum
Sporophyll
Indusium
A perennial shrub has compound leaves and solitary zygomorphic and epigynous flowers. Each flower reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is the ratio of advanced and primitive characters in it?.
1:2
2:3
1:1
3:2
Tautonym is.
Unscientific explanation of a phenomenon
Common name used as a scientific name
Nonlatinised name
Same name for genus and species
Lichen is the pioneer vegetation on which succession ?
Hydrosere
Lithosere
Psammosere
Xerosere
