Biological Classification Flashcards
…………… was the earliest to attempt a scientific basis of classification
Aristole
Aristole classifed plants into ………….. , …………….. and ……………
Trees , shrubs and herbs
He divided animals into ……………. no. Of groups , one with………….. and one thoses did not
Two groups ,
Red blood
Monera cell wall is made up of
Polysaccharide and amino acids
All protist don’t contain cell wall T/F
F
+nt in some
Loose tissue body organisation is present in
Fungi
Monerans cannot be saprophytic T /F
F
Holozoic mode of nutrition is present in which kingdon
Animalia
The animalia kingdom contains saprophytic animals T/F
F
Whittaker five kingdom classification in which year
1969
Criteria’s use by whittaker for classification was
Cell structure body organisation mode of nutrition reproduction and phylogenetic relationship
Earlier chlamydomonas and spirogyra where place together under
Algae
Kingdom ………….. has brought together …………. and ………….( having cell walll ) with ………… and …………. ( lacking cell wall )
Protista , chlamydomonas and chlorella , paramoecium and amoeba
Phylogenetic means
Base on evolutionary relationships
…………….. are the sole members of Kingdom Monera
Bacteria
Bacteria 4 classification on the basis on shape
Cocus bacillus vibrium spirullion
Bacterial structure is very complex yet they are very simple in behaviour true or false
False
The ………….. shows the most extensive metabolic
Bacteria
Vast majority of bacteria are autotrophs true or false
False
…….. bacteria live in most of the harsh habitats
Archaebacteria
Name the three divisions of archaebacteria and their habitat
Extreme salty areas halophils , hot springs (thermoacidophils ) amd marshy areas ( methanogens)
Archaebacteria differs from others by having
Different cell structure , branched chain lipids
The reason for survival of archaebacteria in extreme condition is
Different cell wall structure and absence of peptidoglycan is responsible for survival in extreme conditions
…….. are present ingut of ruminants
Methanogens
Methnogens are chdmoautotrophs or chemoheterotrophs
Chemoautotrophs
Eubacter have rigid cell wall true or false
True
Eubacteria if motile contains cilia true or false
False
Contain flagella
Cyanobacteria is also called ……….. have ……….type of chlorophyll
Blue green algae , chl a
Cyanobacteria can’t be filamentous true or false
False
They are filamentous
Cyanobacteria can be colonial true or false
T
The colonies of cyanobacteria are surrounded by……….
Gelatinous sheath
They forms……….in polluted water
Blooms
Some can fix atmospheric nitrogen in specialised cells
called……………
Heterocyst
Ex of bacteria containing heterocyst are (2)
Anabena and nostoc and oscillatoria
………..bacteria oxidise various inorganic substance such as ……………., ………… ,………. for energy.
Chemsyntheic autotrophs , nitrates , notrites and ammonia
………………play a great role in recycling of nutrients like (4)
Chemosynthetic autotrophs
. N , P , Fe , S
…………….bacteria are most abundant in nature.
Heterotrophs
Nostoc is a filamentous/unicellular cyanobacteria
Filamentous
…………are helpful in making curd from milk, production of antibiotics
Heterotrophic
Heterotrophic bacteria help in fixation of nitrogen in roots. T / F
True
Name the 4 well known diseases caused by bacteria and their causative agent
Cholera (Vibrio cholerae)
Typhoid (salmonella typhi)
Tetanus (clostridium tetani)
Citrus canker( xanthomonas citri)
Bacteria produce spores in favorable conditions. T / F
F
In bacteria, a primitive type of sexual reproduction is also present T/F
T
3 ways through which bacteria reproduce
Fission , spore formation and sexual reproduction
3 ways through which bacteria do sexual reproduction -
Transformation , conjugation ,transduction
……………..completely lack cell wall (NEET)
Mycoplasma
Mycoplasma cannot survive without oxygen T/F
F
……………..are the smallest living organism
Mycoplasma
Mycoplasma are never pathogenic. T / F
F
All …………….are placed under Protista
Single cell eukaryotes
Groups under protista are (5)
Chrysophytes
Dinoflagellates
Euglenoids
Slime mould
Protozoa
Members of protists are primarily…………
Aquatic
Protista kingdom forms a link with other kingdoms T/F
True
Chrysophytes This group include and
Diatoms and desmids ( golden algae)
Chrysophytes are found only in marine water. T/F
F
Fresh water
Chrysophytes are microscopic and are planktons. T/F (NEET)
T
What are planktons?
Those who floats passively in water currents
Most of chrysophytes are
Photosynthetic
The cell wall of chrysophytes form two thick/thin overlapping shells, which fit together a as in a………..
Soap box
The walls of chrysophytes are embedded with …………and thus the walls are destructible/indestrustible
Silica , indestructible
What is diatomaceous earth?
Cell wall deposit of diatoms
Diatomaceous earth is used in (3)
Polishing
Filteration of oils and syrups
……………are chief producers of oceans (NEET)
Diatoms
Dinoflagellated are mostly marine/free water and ________
Marine and photosynthetic
Dinoflagellates appear of 5 colour - (Rang birange :))
Yellow green blue red brown
Dinoflagellates cell wall has ___________ in the outer surface.
Cellulosic stiff plates
Dinoflagellates have 2 cilla. T/F
F
Dinoflagella the both flagella are perpendicular to each other. T/F
T
Red dinoflagellates ex (1)
Gonyalux
Red dinoflagellates ex (1)
Gonyalux
Red tides occur due to
Rapid multiplication of dinoflagellates
Red tides are good for marine fishes. T/F
F
They are killed
Majority of euglenoids are marine/fresh water.
Fresh water stagnant water
Euglenoids Are found in stagnant water T/F.
T
Euglenoids have Instead of cell wall, they have ______ which is rich in _______
Pellicle , protein
Euglenoids have a flexible body. T/F
T
Euglenoids have one single long flagella. T/F
F. two flagella, one short one long
Pigments of euglenoids are identical to those present in ________
Higher plants
Euglenoids They are permanent autotrophs. T/F
F
Mixotrophic
Ex of euglenoids
Euglena
Slime moulds are __________ protist.
Saprotrophic
Under suitable/unsuitable conditions, euglenoids form a
aggregation called _________
Plasmodium
Plasmodium stage may spread over several feet. T/F
T
In euglenoids During favorable conditions, the plasmodium
differentiates and forms fruiting bodies bearing spores at their tips. T/F
F
Unfavourable
spore of euglenoida possess true/false walls.
True walls
spores of euglenoids are dispersed by _______
Air current
All protozoans are _________
Heterotrophs ( holozoic)
Protozoans live as _______ or _______
Predators or parasites
_______ are believed to be primitive relatives of animals.
Protozoans
4 major groups of protozoans are
Amoeboid
Flagellated
Cilliated
and Sporozoans
Habitat of ameboid protozoans. (3)
Fresh water,
sea water or
moist soil
Amoebian protozoan capture their prey by ________ (NEET)
Pseudopodia
Amboeidal protozoa have _____ shells on their surface.
Silica
Ex of ameboid parasite (1)
Amoeba
Habitat of flagellated protozoans (2)
Free-living or parasitic
Flagellated protozoans ex (1) and the disease it cause
Trypanosoma - Sleeping sickness
Ciliated protozoans have cavity called ______
Gullet
Example of ciliated protozoan
Paramoecium
Sporozoans have a ______ spore like stage.
Infective
Sporozoans ex (1) and the disease it cause
Plasmodium-Malaria
