Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Questions on The Living World
The fundamental unit of classification is: a) Kingdom b) Species c) Genus d) Family
Binomial nomenclature was developed by: a) Darwin b) Linnaeus c) Whittaker d) Woese
The first word in binomial nomenclature represents: a) Species b) Genus c) Family d) Order
In the mnemonic "King Philip Came Over For Good Soup", 'P' stands for: a) Phylum b) Plant c) Prokaryote d) Protist
The three-domain system was proposed by: a) Whittaker b) Linnaeus c) Carl Woese d) Darwin
Methanogens belong to domain: a) Bacteria b) Archaea c) Eukarya d) Protista
The cell wall of bacteria is made of: a) Cellulose b) Chitin c) Peptidoglycan d) Silica
Gram-positive bacteria stain: a) Pink b) Purple c) Blue d) Green
The smallest living cells are: a) Bacteria b) Viruses c) Mycoplasma d) Protozoans
Diatoms belong to: a) Chrysophytes b) Dinoflagellates c) Euglenoids d) Slime moulds
Red tides are caused by: a) Diatoms b) Dinoflagellates c) Euglenoids d) Bacteria
Euglena shows: a) Autotrophic nutrition b) Heterotrophic nutrition c) Mixotrophic nutrition d) Chemotrophic nutrition
The cell wall of fungi is made of: a) Cellulose b) Chitin c) Peptidoglycan d) Silica
Bread mould belongs to: a) Ascomycetes b) Basidiomycetes c) Zygomycetes d) Deuteromycetes
Penicillium belongs to: a) Ascomycetes b) Basidiomycetes c) Zygomycetes d) Deuteromycetes
Mushrooms belong to: a) Ascomycetes b) Basidiomycetes c) Zygomycetes d) Deuteromycetes
Imperfect fungi are also called: a) Ascomycetes b) Basidiomycetes c) Zygomycetes d) Deuteromycetes
In lichens, the algal partner is called: a) Mycobiont b) Phycobiont c) Symbiont d) Autobiont
Viruses were discovered by: a) Stanley b) Beijerinck c) Ivanowsky d) Pasteur
TMV contains: a) DNA b) RNA c) Both DNA and RNA d) Neither DNA nor RNA
Bacteriophages attack: a) Plants b) Animals c) Bacteria d) Fungi
Viroids contain: a) DNA only b) RNA only c) Protein only d) RNA and protein
Prions are: a) Viruses b) Bacteria c) Abnormal proteins d) Nucleic acids
Mad cow disease is caused by: a) Viruses b) Bacteria c) Prions d) Viroids
Systematics includes: a) Taxonomy only b) Phylogeny only c) Both taxonomy and phylogeny d) Classification only
Numerical taxonomy uses: a) Few characters b) Many characters equally c) Morphological characters only d) Chemical characters only
Cytotaxonomy is based on: a) Morphology b) Physiology c) Chromosome structure d) Behavior
Chemotaxonomy uses: a) Morphological data b) Behavioral data c) Chemical constituents d) Ecological data
Artificial classification is based on: a) Few superficial characters b) Many characters c) Evolutionary relationships d) Molecular data
Phylogenetic classification is based on: a) Morphology only b) Evolutionary relationships c) Superficial characters d) Numerical data
The term "Contagium vivum fluidum" was coined by: a) Ivanowsky b) Beijerinck c) Stanley d) Pasteur
Crystallization of viruses was first done by: a) Ivanowsky b) Beijerinck c) Stanley d) Pasteur
Halophiles live in: a) Hot environments b) Acidic environments c) Salty environments d) Oxygen-free environments
Thermoacidophiles thrive in: a) Cold and basic conditions b) Hot and acidic conditions c) Salty conditions d) Oxygen-rich conditions
Binary fission is a type of: a) Sexual reproduction b) Asexual reproduction c) Conjugation d) Transformation
Conjugation in bacteria involves: a) Uptake of naked DNA b) Transfer via virus c) Transfer via conjugation tube d) Spore formation
Transformation in bacteria involves: a) Uptake of naked DNA b) Transfer via virus c) Transfer via conjugation tube d) Spore formation
Transduction in bacteria involves: a) Uptake of naked DNA b) Transfer via virus c) Transfer via conjugation tube d) Spore formation
Diatomaceous earth is formed by: a) Dinoflagellates b) Diatoms c) Euglenoids d) Bacteria
Plasmodium is formed by: a) Bacteria b) Slime moulds c) Fungi d) Algae
Malarial parasite belongs to: a) Amoeboid protozoans b) Flagellated protozoans c) Ciliated protozoans d) Sporozoans
Dikaryophase is found in: a) Bacteria b) Protists c) Fungi d) Viruses
Plasmogamy refers to: a) Nuclear fusion b) Cytoplasmic fusion c) Cell division d) Spore formation
Karyogamy refers to: a) Nuclear fusion b) Cytoplasmic fusion c) Cell division d) Spore formation
Conidia are: a) Sexual spores b) Asexual spores c) Gametes d) Vegetative cells
Sporangiospores are produced in: a) Sporangium b) Ascus c) Basidium d) Conidiophore
Zoospores are: a) Non-motile spores b) Motile spores c) Sexual spores d) Resistant spores
Mycorrhiza is an association between: a) Algae and fungi b) Bacteria and roots c) Fungi and roots d) Algae and bacteria
The scientific name Mangifera indica was given by: a) Darwin b) Linnaeus c) Whittaker d) Woese
In scientific names, the species name is always: a) Capitalized b) In lowercase c) Underlined d) In bold
Kingdom Monera includes: a) Eukaryotes b) Prokaryotes c) Viruses d) Prions
Kingdom Protista includes: a) Multicellular eukaryotes b) Unicellular eukaryotes c) Prokaryotes d) Viruses
Kingdom Fungi includes organisms with: a) Cellulose cell wall b) Chitin cell wall c) No cell wall d) Silica cell wall
Photosynthetic bacteria are: a) Autotrophic b) Heterotrophic c) Saprophytic d) Parasitic
Saprophytic bacteria feed on: a) Living organisms b) Dead organic matter c) Inorganic matter d) Light
Parasitic bacteria: a) Make their own food b) Feed on dead matter c) Feed on living hosts d) Use chemical energy
Aerobic bacteria require: a) Oxygen b) Carbon dioxide c) Nitrogen d) Sulfur
Anaerobic bacteria: a) Require oxygen b) Don't require oxygen c) Produce oxygen d) Store oxygen
Gram staining differentiates bacteria based on: a) Shape b) Size c) Cell wall composition d) Flagella
Coccus-shaped bacteria are: a) Rod-shaped b) Spherical c) Spiral d) Comma-shaped
Bacillus-shaped bacteria are: a) Rod-shaped b) Spherical c) Spiral d) Comma-shaped
Spirillum-shaped bacteria are: a) Rod-shaped b) Spherical c) Spiral d) Comma-shaped
Vibrio-shaped bacteria are: a) Rod-shaped b) Spherical c) Spiral d) Comma-shaped
Golden algae belong to: a) Chrysophytes b) Dinoflagellates c) Euglenoids d) Rhodophytes
Desmids belong to: a) Chrysophytes b) Dinoflagellates c) Euglenoids d) Rhodophytes
Gonyaulax belongs to: a) Chrysophytes b) Dinoflagellates c) Euglenoids d) Rhodophytes
Amoeboid protozoans move by: a) Flagella b) Cilia c) Pseudopodia d) Tentacles
Flagellated protozoans move by: a) Flagella b) Cilia c) Pseudopodia d) Tentacles
Ciliated protozoans move by: a) Flagella b) Cilia c) Pseudopodia d) Tentacles
Yeast is a: a) Bacterium b) Fungus c) Protist d) Virus
Aspergillus belongs to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Alternaria belongs to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Trichoderma belongs to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Puffballs belong to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Rusts belong to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Smuts belong to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
Rhizopus belongs to: a) Zygomycetes b) Ascomycetes c) Basidiomycetes d) Deuteromycetes
In lichens, the fungal partner is called: a) Mycobiont b) Phycobiont c) Symbiont d) Autobiont
Obligate intracellular parasites are: a) Bacteria b) Fungi c) Viruses d) Protists
Capsid is found in: a) Bacteria b) Fungi c) Viruses d) Protists
Creutzfeldt-Jakob disease is caused by: a) Viruses b) Bacteria c) Prions d) Fungi
BSE stands for: a) Bacterial Spongiform Encephalopathy b) Bovine Spongiform Encephalopathy c) Biological Spongiform Encephalopathy d) Basic Spongiform Encephalopathy
Classification helps in: a) Understanding diversity b) Identifying organisms c) Establishing relationships d) All of the above
The highest taxonomic category is: a) Kingdom b) Phylum c) Class d) Order
The lowest taxonomic category is: a) Genus b) Species c) Family d) Order
Natural classification is based on: a) Few characters b) Many characters c) Superficial characters d) Artificial characters
Bentham and Hooker classified: a) Animals b) Flowering plants c) Bacteria d) Fungi
Fossil record is used in: a) Artificial classification b) Natural classification c) Phylogenetic classification d) Numerical classification
DNA sequences are used in: a) Artificial classification b) Natural classification c) Phylogenetic classification d) All classifications
Comparative anatomy is used in: a) Artificial classification b) Natural classification c) Phylogenetic classification d) Numerical classification
The term taxonomy was coined by: a) Linnaeus b) de Candolle c) Darwin d) Whittaker
Cosmopolitan distribution means: a) Found everywhere b) Found in specific regions c) Found in water only d) Found in soil only
Obligate anaerobes: a) Require oxygen b) Cannot survive without oxygen c) Cannot survive with oxygen d) Can survive with or without oxygen
Facultative anaerobes: a) Always require oxygen b) Never require oxygen c) Can survive with or without oxygen d) Require carbon dioxide
Chemosynthetic bacteria: a) Use light energy b) Use chemical energy c) Use mechanical energy d) Use electrical energy
Photosynthetic bacteria: a) Use light energy b) Use chemical energy c) Use mechanical energy d) Use electrical energy
Nucleoid contains: a) Linear DNA b) Circular DNA c) RNA only d) Proteins only
Peptidoglycan is found in: a) Plant cell walls b) Fungal cell walls c) Bacterial cell walls d) Animal cell membranes
Siliceous cell walls are found in: a) Bacteria b) Fungi c) Diatoms d) Euglenoids
Mixotrophic nutrition is shown by: a) Bacteria b) Fungi c) Euglena d) Diatoms
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