XI: Chapter 3- Plant Kingdom Flashcards
Chromatophores are found in which algae?
Red algae and brown algae
Who were the main propounders of natural system of classification?
Bentham and Hooker
Who were the main propounders of phylogenetic system of classification?
Englr and Prantle, Hutchinson and Takhtajan
What are cormophytes?
Plants in which body is differentiatred into roots, stems and leaves.
What are phanerogams?
Seeded plants
Who coined the term thallophytes?
Endlicher
Thallophytes show what kind of growth?
Diffused growth
How are the sex organs of algae different from other plants?
Unicellular sex organs, sterile jacket is absent
Volvox shows which type of life cycle?
Haplontic life cycle
Diplontic life cycle is shown in which alga?
Fucus
Haplo-diplontic life cycle is found in which algae?
Ectocarpus and kelp
What is the shape of chloroplast of chlamydomonas?
Cup shaped
Which alga has reticulate chloroplast?
Oodogonium
Which alga has girdle shaped chloroplast?
Ulothrix
Which alga has stellate chloroplast?
Zygonema
What is present in the centre of pyrenoid?
Protein
Stigma is present in which stage of algae?
Reproductive stage
Which type of flagella is completely smooth?
Acronematic/whiplash
What are the projection on pentonematic/tinsel flagella called?
Flimmers/mastigonemes
Sporophyte is not formed in which group of plants?
Algae
Red rust of tea is caused by?
Cephaluoras viriscence
Why does red sea appear red?
Due to the presence of Trichodesmium erithrium
What is the mode of nutrition of gracillaria?
Parasitic
Which algae are minimum in nubmer of species?
Brown algae
Name a terrestrial red algae.
Porphynidium
In which habitat are most green algae found?
Freshwater
In which habitat are most brown and red algae found?
Marine
What are the photosynthetic pigments found in green algae?
Chlorophyll a, chlorophyll b, beta carotene, violaxanthin
What photosynthetic pigments are found in brown algae?
chlorophyll-a and chlorophyll-c, β carotene, fucoxanthin
Which photosynthetic pigments are found in red algae?
CHlorophyll a, chlorophyll d, phycobillins (phycoerithrin, phycocyanin, allophycocyanin)
Which carbohydrate does floridean starch resemble?
Glycogen
Gelatin is present in the cell wall of which algae?
Brown algae (outer layer)
What is the flagellation in brown algae?
Heterokonte flagellation
What is the flagellation in green algae?
Isokonte flagellation
What type of syngamy is present in red algae?
Oogamy
Gametes are biflagellate in which algae?
Brown algae
Iodine is obtained from which algae?
Laminaria and fucus (brown algae)
Bromine is obtained from which algae?
Polysiphonia (red algae)
Name an aquatic bryophyte.
Riccia
Which is the largest bryophyte?
Dawsonia
Which is the smallest bryophyte?
Zoopsis
Are gemmae multicellular or unicellular?
Multicellular
Peristomium teeth are present in
Mosses
Elators are present in
Bryophytes
Cap cells in bryophytes are present in
Antheridium
Cover cells in bryophytes are present in
Archegonium
How many neck canal calls are found in archegonium of bryophyte?
6 to 10
How many flagella do the antherozoids of bryophytes have?
2
What is the shape of the antheridium of bryophyte?
Club-shaped
What is the shape of the archegonium of the bryophytes?
Flask-shaped
In which part of the archegonium of bryophyte is the egg cell present?
Venter canal cell
Which is the first cell of the sporophytic generation of the bryophytes?
Zygote
What is the process in which bryophytes form dense mates over the soil surface and conserve the moisture of the soil called?
Mulching
Which moss is used to make antibiotic?
Sphagnum
In pteridophytes the plant body is differentiated into true roots, leaves and stems. True or false?
True
Which organisms are know as the reptiles of plant kingdom?
Pteridophyta
Which plants are regarded as the first true plants?
Pteridophytes
Selaginella belongs to the class
Lycopsida
Adiantum and Marsiela belong to the class
Pteropsida
Azolla belongs to the class
Pteropsida
Azolla and salvinia are found in which habitat?
Aquatic
Selaginella and equisetum and found in which habitat?
Xerophytic
Ferns have which type of leaves?
Macrophylls
Selaginella has which type of leaves?
Microphylls
Do macrophylls have veins?
yes
Do microphylls have veins?
No
What are ramenta?
Thin hair found on the surface of fronds of pteridophya
What are the vegetative leaves of pteridophytes called?
Cataphylls
Sporangium is borne on the tips of
Sporophylls
Highly condensed cones of pteridophytes are actually
Sporophylls
Which pteridophyte is a tree?
Cyathea
What is the gametophyte of pteridophyte called?
Prothallus
What are the two requirements of seed habit?
Heterospory and retainment of female gametophyte on the sporophyte
What type of sporophyte is found in azolla?
Heterosporous
Which represents the first cellof gametophytic generation?
Spore
Quill worts is the other name for
Isoetes
Which pteridophyte is known as little club moss?
Selaginella
Which is the tallest pteridophyte?
Alsophile
Who coined the term Ptheridophyta?
Ernst Haeckel
Who coined the term gymnosperm?
Theophrastus
Which fungi is found in the mycorrhiza of Pinus?
Boletus
Stem is unbranched in which gymnosperm?
Cycas
Is cycas monoecious or dioecious?
Dioecious
What type of leaves (simple, pinnate, palmate) are found in cycas?
Pinnate
Small, scaly and brown leaves are present in which gymnosperm?
Ephedra
Which plant has the largest fan shaped leaves?
Gingko biloba
Which plant has the largest ovule, male gamete and egg?
Cycas thouarsii
What is the ploidy of endosperm of gymnosperms?
Haploid
How many tegments does the ovule of gymnosperm has?
1
Which plant is used to make sago?
Cycas revoluta
Tallest angiosperm is
Eucalyptus
Tallest flower is
Amorphophyllous
Which algae has flagellated gametes that are similar in size?
Ulothrix
Which alga has non flagellated gametes that are similar in size?
Spirogyra
Anisogamous reproduction is found in which alga?
Udorina
What is the outer layer of cell wall in green algae made of?
Pectin
What is the leaf like organ found in brown algae called?
Frond
How are the leaf-like appendages arranged in bryophytes?
Leaf like appendages are arranged in two rows in stem like surface.
What does the leafy stage of mosses develop from?
It develops from the secondary protonema as a lateral bud.
What is the difference between the rhizoids of mosses and liverworts?
The rhizoids of liverworts are unicellular, but the rhizoids of mosses are multicellular only.
Which stage of mosses contains sex organs?
Leafy stage
In dicots, floral whorl members are arranged in groups of
Four or five (tertamerous or pentamerous)
In monocots, the floral whorl members are arranged in groups of
Three (trimerous)
Which organisms are included in ‘amniotes’?
Reptiles, aves and mammals
