. In gymnosperm pollination is exclusively by
1.animals
2.wind
3.insects
4.water
A fern differs from moss in having
1.An independent gametophyte
2.An independent sporophyte
3.Presence of archegonia
4.Swimming antherozoids
A gymnospermic plant
1.bear flower
2.exhibit no vascular tissue
3.produce seeds in cones
4.does not produce seeds in cones
A specialised organ of the sporophyte for attachment to the gametophyte is called
1.Stalk
2.Foot
3.Apophysis
4.Root
Ability to fix atmospheric nitrogen is found in
1.Leaves of some crop plants
2.Chlorella
3.Some marine red algae
4.Some blue green algae
According to the available fossil record, which of the following are the first vascular plants
1.cycads
2.horsetails
3.lycopsids
4.psilophytales
Agar-Agar is obtained from
1.Gelidium
2.Polysiphonia
3.Fucus
4.Laminaria
Algae differ from Riccia ana Marchantia in having
1.Multicellular body
2.Multicellular sex organs
3.Pyrenoids in the cell
4.Thalloid body
All of the following plants are heterosporous except
1.Pinus
2.Marselia
3.Selaginella
4.Dryopteris
Alternation of generation is exhibited by
1.bryophytes
2.pteridophytes
3.gymnosperms
4.all plants
Bryophyte differ from pteridophytes in being
1.Non-vasculature
2.Seeded
3.Vasculature
4.Sporophytic
Cephaleoures is
1.An epiphytic green algae
2.A parasitic green algae
3.A fresh water green algae
4.A colourless red algae
Circinate vernation is found in
1.cycas
2.fern
3.a and b
4.none of these
Conducting tissue in moss is made up of
1.Xylem and phloem
2.Xylem
3.Collenchyma
4.Parenchyma
Coralloid roots are found in
1.Cycas
2.Dryopteris
3.Pinus
4.Lycopodium
Endosperm in gymnosperm is formed
1.at the time of fertilization
2.before fertilization
3.after fertilization
4.along with the development of embryo
Fern plants are
1.mesophytes
2.Hydrophytes
3.Xerophytes
4.hygrophytes
Gymnosperm differ from angiosperm
1.having seeds
2.having fruits
3.having naked ovules
4.none of these
Heterocysts are
1.Green and thin walled
2.Green and thick walled
3.Colourless and thin walled
4.Colourless and thick walled
If the chromosome number in the leaf of Funaria is 20, what will be the chromosome number in the spores
1.20
2.40
3.10
4.5
If the leaf of Funaria has 5 chromosomes, the primary protonema will have
1.10
2.5
3.15
4.20
In Pteridophyte, reduction division occurs when
1.spores are formed
2.gametes are formed
3.Prothallus is formed
4.sex organs are formed
In which of the following feature angiosperm resemble gymnosperm
1.presence of ovules
2.presence of vessel
3.nature of endosperm
4.mode of fertilization
In which of the following group would you place a plant which produce seeds but lacks flower
1.pteridophytes
2.Fungi
3.bryophytes
4.gymnosperms
In which of the following group would you place a plant which produces spores, has vascular tissue and lacks seed
1.Algae
2.Pteridophyte
3.Gymnosperm
4.Bryophyte
Iodine is obtained from
1.Ulothrix
2.Ectocarpus
3.Laminaria
4.Oedogonium
Kelps is obtained from
1.Algae
2.Marine algae
3.Aquatic algae
4.Lichens
Largest sperms are found in
1.Pinus
2.Cedrus
3.Cycas
4.Gnetum
Liverworts are closely related to
1.Algae
2.fungi
3.Lichen
4.Mosses
Megasporophyll is the term used in gymnosperm to denote
1.carpels
2.stamens
3.leaves
4.female cone
Most primitive living vascular plants are
1.brown algae
2.sphagnum
3.ferns
4.cycads
One of the following is present in blue green algae
1.Starch
2.Any polysaccharide
3.Cyanophacean granule
4.Floridian starch
Origin and evolution of sex in algae is best seen in
1.Blue green algae
2.Green algae
3.Red algae
4.Brown algae
Perisperm is
1.outgrowth of the outer integument
2.surviving nucellus in the seed
3.outgrowth of funicles
4.all of these
Phloem of gymnosperm differ from angiosperm in
1.having parenchyma
2.having no companion cells
3.having no sieve tubes
4.having no sclerenchyma
Phloem of gymnosperm differ from angiosperm in
1.having parenchyma
2.having no companion cells
3.having no sieve tubes
4.having no sclerenchyma
Plants which are not differentiated into roots, stem and leaves are grouped under
1.Gymnosperms
2.Pteridophytes
3.Thallophytes
4.Spermatophytes
Prothallus represents
1.gametophytic phase in a fern
2.sporophytic phase in a fern
3.gametophytic phase in a angiosperm
4.gametophytic phase in a gymnosperm
Pteridophytes are also called
1.phanerogams
2.vascular cryptogams
3.amphibians of the plant kingdom
4.spermatophytes
Sargasso sea is named after an algae Sargassum which is a
1.Green algae
2.Brown algae
3.Red algae
4.Blue green algae
Spore baring leaf is called
1.sorus
2.indusium
3.ramentum
4.sporophyll
The dominant generation in Pteridophyte is
1.haploid
2.gametophytic
3.diploid
4.triploid
The first land inhabitant plants are
1.Pteridophytes
2.Bryophytes
3.Gymnosperms
4.Angiosperms
The megasporium is also known as
1.ovule
2.nucellus
3.fruit
4.micropyle
The most advanced order in gymnosperms
1.Cycadales
2.Coniferales
3.Gnetales
4.Taxales
The only positive evidence of aquatic ancestry of bryophyte is
1.Thread like protonema
2.Green colour
3.Some forms are still aquatic
4.Ciliated sperms
The protonema is a stage in the life cycle of
1.Riccia
2.Funaria
3.All bryophytes
4.Cycas
The structure that produce gametes in the Prothallus are
1.anthers and archegonia
2.ascogonium and anthers
3.antheridia and archegonia
4.none of these
The unique feature of bryophytes compared to other green plant group is that
1.They produce spores
2.They lack vascular tissue
3.They lack roots
4.There sporophyte is attached to the gametophyte
To which group would you assign a plant which produces spores and embryos, but lacks seed and vasculature
1.Algae
2.Fungi
3.Pteridophyte
4.Bryopyte
What happens to the spore of ferns
1.it germinates to become a prothallus
2.it germinates to become another spore forming a fern plant
3.it joins with another spore to become a seedling
4.it encysts and is devoured by snail
Which are the most primitive group of algae
1.Blue green algae
2.Red algae
3.Brown algae
4.Green algae
Which group of plant constitute the lower bryophytes
1.Liverworts
2.Mosses
3.Anthoceratles
4.Jungermaniales
Which is wrong in respect to bryophytes?
1.Water is essential for fertilization
2.Presence of archegonia
3.Presence of ciliated sperms
4.Presence of autotrophic independent sporophyte
Which of the algae is responsible for red colour of red sea
1.Chlamydomonas brauii
2.Trichodesmium erythrium
3.Ulothrix zonata
4.None of the above
Which of the following is diploid in moss plant
1.Spore
2.Leaves
3.Spore mother cell
4.Gametes
Which of the following is the amphibian of the plant kingdom?
1.Pteridophytes
2.Bryophytes
3.Gymnosperms
4.Angiosperms
Which of the following is the most advanced group of algae
1.Cyanophyta
2.Rhodophyta
3.Phaeophyta
4.Chlorophyta
Zooidogamy is seen in
1.Cycas
2.Gnetum
3.Pinus
4.angiosperm
Zygotic meiosis is a characteristic feature of
1.Algae
2.Bryophytes
3.Pteridophytes
4.Gymnosperms