Multiple Choice QuestionsIn which of the following gametophyte is not independent free-living?
Funaria
Marchantia
Pteris
Pteris
Which one of the following statements is wrong?
Algin and carrageenian are products of algae.
Agar-agar is obtained from Gelidium and Gracilaria
Chlorella and Spirulina are used as space food
Chlorella and Spirulina are used as space food
Which one is a wrong statement?
Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms
Mucor has biflagellate zoospores
Haploid endosperm is typical feature of gymnosperms
Haploid endosperm is typical feature of gymnosperms
B.
Mucor has biflagellate zoospores
All the statements are correct except the statement (b). Mucor (fungus) belongs to the class-Zygomycetes. The members of Zygomycetes bear non-motile non-flagellated gametes.
An alga which can be employed as food for human being is
Ulothrix
Chlorella
Spirogyra
Spirogyra
Which one of the following is a correct statements?
Pteridophyte gametophyte has a protonemal and leafy stage
In gymnosperms female gametophyte is free-living
Antheridiophores and archegoniophores are present in pteridophytes
Antheridiophores and archegoniophores are present in pteridophytes
They cyanobacteria area also referred to as
protists
golden algae
slime moulds
slime moulds
Gymnosperms are also called soft wood spermatophytes because they lack
cambium
phloem fibres
thick-walled tracheids
thick-walled tracheids
Read the following five statements and answer as asked to them
I. In Equisetum the female gametophyte is retained on the parent sporophyte.
II. In Ginkgo male gametophyte is not independent.
III. The sporophyte in Riccia is more developed than that in Polytrichum.
IV. Sexual reproduction in Volvox is isogamous.
V. The spores of the above statements are correct?
Two
Three
Four
Four
Read the following five statements (I to V) and select the option with all correct statements.
I Mosses and lichens are the first organisms to colonise a bare rock.
II .Selaginella is a homosporous pteridophyte.
III. Coralloid roots in Cycas have VAM.
IV. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
I, III and IV
II, III and IV
I, IV and V
I, IV and V
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