Plant kingdom Flashcards
Algae habitat
Aquatic, Damp soil, moist rocks
Achlorophilous gametophyte that depends on on sporophytes is found in
Spermatophyta
Atracheophytic embryophytic orgs are
Bryophyta
Only non embryophytic plants are
Algae
Haplontic life cycle is mainly seen in ___ with ___ sexual organs
Thallophyta except Fucus, Ectocarpous and Polysiphonia..
Antheridium and Oogonium
Phanerogams are
Spermatophytes
Associations of algae
Lichens with fungi and with animals like sloth bears
What is present above cell wall of algae
Mucilaginous sheath
Complete thalloid body is present in
Thallophytes
Pollen and Ovule is produced by ___ and ___ in ___ life cycle
Androecium, Gynoecium
Diplontic- spermatophytes and Fucus
Universal pigments of algae are
Chl- A and Beta carotene
Asexual rep in algae includes
Zoospores- Motile, Fav
Akinetes, Hypno, Aplano- unfav
Which has the only multicellular and jacketed sex organ in algae
Chara- Chlorophyceae
Male- globule, Fem- Nucule
Which grp of algae is mostly diploid (diplohaplontic)
Brown- Phaeophyceae
like Kelps and ectocarpous. Fucus- diplontic
Chalmydomonas debaryanum reproduces by
Isogamy
Zygotic meiosis is seen in
Algae- Haplontic life cycle.
Eudorina (algae) has ___ repro
Anisogamous
Zooidogamy and Siphanogamy are types of
Oogamy
Siphano- Pnly higher gmno and angio
Spore mother cell is formed in ___ lifecycle
Haplodiplontic. Show alternation of generation
Father of indian algae is ____ who found ___
MOP Iyyengar, Spirogyra Iyyengarai
Colonial thallophytes are
Volvox
Stone warts are similar to ___ but are stationary and dont float
Hydrilla
(Stone warts==Chara. Grows on freshwater stone)
Protogyni is seen in ___ algae
Chara- Nucule matures before Globule
Floridian starch is the stored food material of
Rhodophyceae (similar to animal glycogen and amylopectin)
Multicellular and jacketed sex organ of chara are found in its ____ branch
Lateral
Classification of algae is based on
Photosynthetic pigments, Storage food, Cell wall material
Largest unicellular algae is
Acetabularia- umbrella shaped
Pyrunoids for storage are present in
Chlorophyceae members- starch around protein
Pond wool has ____ chloroplast shape
Girdle- Ulothrix
Rolling algae is
Volvox
Soft and slippery surface of algae is because of
Pectin on the outside of cellulose in cell wall
Grass green colour of chlorophyceae is given by
Chl-a and chl-b
Coenobium refers to
colony with fixed number of cells that have division of labour in colonial algae like volvox
Isokant flagella are in ___
Chlorophyceae- 2 to 8 or nil
Hypnospore formation in ____ makes:
Chlamydomanas nivalis
Snow- red (spore colour is red)
Most advanced grp of algae is chloro because
has all 3 types of repro
Air bladder is present in ___ phaeophyceae
Fucus
c3 cycle was discovered by whom in what
Melvin calvin, Chlorella with C-14 radiolabelled isotope
Star shaped chloroplast is present in
Zygnima
Chara and Chlorella have ___ shaped chloroplasts
Disk
Chloro are more abundantly present in ___ water
Freshwater
Plate shaped chloroplast is there in
Fritillaria
Fritschiella as per module
Non autotrophic parasite that causes Red rust on tea leaves is
Cephaluras- Chlorophyceae
___ algae is mostly found in brackish water
Brown
Leafy algae are
Brown- cuz of frond=== lamina
Hydrocolloids (Phycocolloids) present i phaeophyceae has ___
water holding capacity
Storage food of brown algae is
Laminarin, Mannitol (complex carbs)
____ type of xanthophyll is present in phaeophyceae
Fucoxanthin
Kelps belong to __ algae
phaeophyceae
Sulphated phycocolloid is
Agar agar and Carrageen in rhodophyceae
Dictyota is a member of
phaeophyceae
—— phaeophyceae members help prevent goitre
Laminaria and fucus
Only unicellular red algae is
Poryphyridium
___ shaped gametes (Pyriform) have 2 unequal flagellas in phaeophyceae
Pear
Gulf weed is
Sargassum
Sargasso sea is present in N atlantic ocean
Most primitive algal grp is
rhodo
Largest kelps is
Macrocystis- phaeophyceae
Batrachospermum is the only ____ rhodo
Blue green and completely freshwater
Pigments in rhodo are
Chl a and d
Phycobilins
Beta carotene
Heterokant, laterally arranged flaggela is found in
phaeophyceae- 2
A sulphated phycocolloid that helps in preparation of nutritive mediums can be extracted from
Gellidium and Gracillaria
(Agar agar as outer cell wall material)
Only parasitic red algae is
Harveyella
Complex post fertilization develeopment is seen in
rhodo- they have haplodiplontic lifestyle
Chondrus crispus helps in extraction of ____
Carrageen
Edible rhodo is
Porphyra
Goidukov movement is
increase in darkness of red colour in rhodo as depth increases— increases efficiency of absorption of lil light that enters
Sea palm belongs to
phaeophyceae
__ algae is diploid mostly
phaeophyceae
Half of worlds co2 fixation is carried out by
algae
do oxygenic photosynthesis too
___ (no) species of marine algae are used as food
70
Algae are imp as primary producer of ___ in food cycle
Energy rich compound
Non motile unicellular chlro is
Chlorella
Eye spot is present in ___ chloro
Chlamydomonas
Most green algaes are ___cellular and ___
multicellular and filamentous
Pectose as an outer layer in cell wall is present in
chlorophyceae
__ coloured xanthophylls are presnt in chloro
Yellow
Oil droplets as food is also seen in ____ algae
green
Green algae are similar to higher plants in
Pigments- chl a, b , carotenoids
Stored food- starch
Cell wall- pectin and cellulose
Kelps are commonly called
Sea weeds
Simply and profusely branched filamentous phaeophyceae is
Ectocarpous, Kelps
Centrally located vacuole is found in __ algae
phaeophyceae
phaeophyceae attaches to the substratum with the help of
holdfast
Algin protects phaeophyceae from
dessication and shock
Algin or alginate salts is used for
Dentury measurement
Union of gametes in phaeophyceae happens in
water or in oognium
In warm waters, ____ algae are more likely to be seen
Red
Cell wall of red algae is complex cuz its made of
Polysulphate esters
diplobiontic lifecycle is seen in
Polysiphonia
___ makes food item viscous (obtained from algae)
Carrageen- gellating agent
Also used in medicine capsules
Reticulate chloroplast is found in
Oedogonium, green algae
Jacket is a layer of
Sterile cells
Seedless plants are
Cryptogams
SCP can be obtained from ____ chloro
Chlorella
in spirogyra isogametes are —– flagellated
non
Term bryophytes was given by
Braun
Bryophytes are not true land plants because
They have air bladders and motile- flagellated gametes
Plant which grows in damp, cool and shady climate is called
Sciophytes
Father of bryology and Indian bryology is
Hertwig, Shivram Kashyap
Liver wort with leafy body is
Porella
1st archegoniophytes are
Bryophytes
Thalloid body can be differentiated from
dorsoventral side
Oblique septa in rhizoids are present in
Mosses- Leafy gametophyte
Phylloid and cauloid refer to
Leaf and stem like structures in Mosses and Porella
Scales are present in funaria. True or false.
False- Multicellular scales are present in some Thalloid and absent in Leafy
1 Gemma produces ___ plants
2
How is water transported in bryophytes
Parenchymal cells
Gemma is produced in which oart of the body in bryo
Gemma cup (adaxial- upper side of thalloid body)
Protonema/indirect germination is seen in
Mosses
Funaria is diecious or monecious
Monecious- Bisexual
Lateral branch of mosses have ___ sex organ
Female- Archegonium
Flask shaped archegonium has ___ NCC
6-10
Androcyte mother cells produce ___ shaped ___flagellated antherozoids
Sickle, Bi
____ movement is seen when antherozoids move towards sugar produced by archegonium
Chemotrophic
NCC (Neck canal cells) and VCC (Ventral canal cell) provide
Nourishment
First cell of sporophytic gen and first cell of gametophytic gen are
Zygote, spore
____ are the group of completely dependent sporophytes
Liver worts
3 parts of a sporophyte in bryophyta are
Foot, Seta, Capsule
3 parts of capsule are
Apophysis, Theca, Operculum
Calyptra is haploid or diploid
Haploid.
Present above the sporophyte
___ part of capsule have chloroplast in chlorenchyma cells
Apophysis
Poorly developed sporophyte in bryophyta is seen in
Riccia (Liver wort)
Has only capsule
Riccia is the only ___ shaped liver wort
Flat shaped
Homospores are formed when:
Spore mother cells divide via meiosis
Sporophyte in ___ has only foot and capsule
Horn worts
True elatorsarefoundin
Liverworts
These show hygroscopic movement
Spores that turn into elators are called
Psuedo elators- in horn worts
____ teeth is present in mosses
Peristomial- arranged in two layers
____ protonema of moss is chlorophilous and branched
Primary
Gregarious dev is seen in
Mosses- all grow in one area
Marchantia belongs to
Hepaticapsida
Examples of Anthicerapsida
Anthoceros and Notothylas
___ is used as absorbent cotton
Sphagnum (Mosses)- Peat moss
Hair cap moss is
Polytrichum
___ moss grows in jhummed areas
Funaria- fire moss or rope moss
In secondary protonema, ____ kind of asexual rep is seen
Budding
Sporophyte in ___ is more developed than liver warts
Mosses
___ are the reptiles of pk
Pterido
The 1st vascular cryptogams are ___, but
Pterido- Vessels in xylem and companion cells in phloem are absent
Habitat of Pterido
Cool, shady, moist places