15235.Which of the following species propagates through leaf-tip?
Funaria
Walking fern
Moss
Marchantia
15236.The discovery of gibberellins is related with one of the following
Blast disease of rice
Rust disease of wheat
Bakanae disease of rice
Early blight disease of potato
15237.The female reproductive structure of small, nonvascular plants that produces a single egg by mitosis is
Archegonium
Antheridium
Gemmae cup
Sporangiophore
15238.The nonvascular plants whose gametophytes are larger than their sporophytes are
Fungi
Pteridophytes
Algae
Bryophytes
15239.The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
Pteridophytes
Angiosperms
Gymnosperms
None of these
15241.The term prothallus refers to
a plant body not differentiated into root, stem and leaves
reduced sporophyte
a stage before thallus formation
reduced gametophyte
15244.The unicellular green algae that undergo both asexual and sexual reproduction are
Chlamydomonas
Selaginella
Pinus
Dryopteris
15245.The walking fern is so named because
it is dispersed through the agency of walking animals
it propagates vegetatively by its shoot tips
its spores are able to walk
it knows how to walk by itself
15246.Trumpet hyphae of certain brown algae are similar to
Sieve tubes
Tracheids
Tracheae
Companion cells
15250.Which of the following is often referred to as "pond scum"?
Anabaena
Spirogyra
Ulothrix
Nostoc
15251.Which of the following plant group produces spores and embryo but Lacks vascular tissue and seeds?
Bryophyta
Rhodophyta
Pteridophyta
Phaeophyta
15252.In which one of the followings largest gametophyte is found?
Angiosperm
Cycas
Nephrolepis
Polytrichum