System Nature was written by.
Ernst Mayr
Carolus Linnaeus
R H Whittaker
W M Stanley
Which of the following is true about bryophytes ?
They are thalloid
They contain chloroplast
They possess archegonia
All of the above
Lichens show :
Mutualism
Commensalism
Parasitism
Saprophytism
Fungal spores produced externally at the top of hyphae are :
Conidia
Oidia
Aplanospore
Sporangiophore
Lomasomes are found in :
Algal cell
Fungal cell
Bacterial cell
Cyanobacterial cell
Mannitol is the stored food in :
Chara
Porphyra
Fucus
Gracillaria
Baker's yeast is :
Saccharomyces cerevisiae
Saccharomyces ludwingii
Saccharomyces octosporus
Schizosaccharomyces
Plants forming spores but lacking seed and vascular tissue are :
Gymnosperms
Angiosperms
Bryophytes
Pteridophytes
Which of the following statement is wrong about bryophytes ?
Fertilization takes place in presence of water.
Gametophytic place is dominant in life cycle.
Sporophyte is physiologically dependent on gametophyte.
Zygote undergoes meiosis to produce sporophyte.
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
