CBSE Questions for Class 11 Medical Biology Biological Classification Quiz 4 - MCQExams.com

Multicellular eukaryotic decomposers belong to 
  • Kingdom Animalia
  • Kingdom Protista
  • Kingdom Fungi
  • Kingdom Plantae
The common bread black mould is
  • Rhizopus
  • Funaria
  • Ulothrix
  • Selaginella
New system of classification of bacteria introduced in 'Manual of determination bacteriology', was written by
  • Koch
  • Lehman
  • Bergey
  • Newman
The fungus is ................. , if it is parastic and requires two hosts for completion of its lifecycle.
  • Autotrophic
  • Autoecious
  • Heteroecious
  • None of the above
Archaebacteria differ from eubacteria in which one of the following respect?
  • Their cell wall lack peptidoglycan compound
  • They inhabit extreme environment
  • They have unique 16s RNA
  • All of the above
The figure shows the relationship between the six kingdoms and their number of species. Which one of the following is not true?
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  • There are more than three times the number of animal species than all the species combined.
  • The number of plant species is less than the combined number of protistans, fungi, eubacteria, and archaebacteria species.
  • Archaebacteria have the smallest number of species of all the kingdoms.
  • Protists and fungi combined have a smaller number of species than plant species.
Bacterium, Escherichia coli have flagella around the periphery of the cell. This condition is known as
  • Peritrichate
  • Monotrichate
  • Lophotrichate
  • Amphitrichate
A successful study of morphology of viruses can be done by
  • Binocular microscope
  • Plane polarised microscope
  • Electron microscope
  • Simple microscope
'Elements de Botanique' was written by
  • Vaillant
  • Tournefort
  • Micheli
  • De Bary
All are true about bacterial endospores except;
  • Sporulation in bacteria is a method of reproduction.
  • The spores of all the medically important bacteria are killed by autoclaving at 121$$^o$$C for 15 minutes.
  • Spores can be stained by modified Ziehl-Neelsen technique.
  • Bacterial spores helps them to survive under unfavourable conditions.
In cladistics
  • Data for cladogram is presented
  • Derived characters help to construct cladograms
  • A clade must contain the common ancestor plus all its descendants
  • All of the above
A school of systematics, that determines the degree of relatedness by analysing primitive and derived characters and constructing cladograms is
  • Phylogeny
  • Cladistics
  • Cladogram
  • Ontogeny
Statistical method is used in ................... type of classification.
  • Phenetic
  • Numerical
  • Adansonian
  • All of the above
Bacteriocins are 
  • Pigment produced by some bacteria.
  • Antibiotic like substances produced by some bacteria.
  • Enzymes released by certain bacteria.
  • Exotoxins released by certain bacteria.
A structurally complete virus is called
  • Viroid
  • Virion
  • Provirus
  • Virus
A bacteria with single flagella on opposite ends is called:
  • Peritrichous
  • Amphitrichous
  • Lophotrichous
  • None of the above
The ciliate living in the rectum of toads and frogs is
  • Pelomyxa
  • Opalina
  • Balantidium
  • Trichomonas
Lichens are composites consisting of algae and
  • Mosses
  • Achlorophyllous organisms
  • Bacteria
  • Mycoplasma
Barophilic prokaryotes
  • Grows slowly in highly alkaline frozen lakes at high altitudes.
  • Occurs in water containing high concentrations of barium hydroxide.
  • Grows and multiply in very deep marine sediments.
  • Readily grows and divide in sea water enriched in any soluble salt of barium.
Which of the following terms is used in lichens for a relationship, in which the fungus lives as a dominant organism and algae lives like a slave?
  • Symbiosis
  • Helotism
  • Heliotropism
  • Commensalism
Small circular depressions irregularily scattered on the underside of some lichens are called
  • Cyphellae
  • Soredia
  • Corticocolus
  • Terricolus
Diplanetism is exhibited by
  • Saprolegnia
  • Rhizopus
  • Ulothrix
  • Vaucheria
Which of the following is first to colonize on the rock?
  • Algae
  • Lichens
  • Mycorrhiza
  • Both A and C
The algal partner of a lichen is called as
  • Mycobiont
  • Phycobiont
  • Both A and B
  • None of the above
Which of the following is the most complex lichen?
  • Crustose
  • Foliose
  • Fruticose
  • Mycorrhiza
Which of the following is also known as 'reindeer moss'?
  • Albugo candida
  • Rocella tinctoria
  • Parmelia
  • Cladonia rangiferina
Select the wrong statement.
  • Anisogametes differ either in structure, function or behaviour.
  • In oomycetes, female gamete is smaller and motile, while male gamete is larger and non-motile.
  • Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy.
  • Isogametes are similar in structure, function and behaviour.
Which of the following statements is / are true about slime moulds?
  • They are chlorophyllous
  • They are parasitic
  • Their spores have cell wall
  • They resemble fungi but not protozoan
The pathogen, Microsporum causes ringworm disease in humans and belongs to the same kingdom as which one of the following?
  • Wuchereria, a filarial worm
  • Ascaris, a round worm
  • Taenia, a tapeworm
  • Rhizopus, a mould
Which of the following is a foliose lichen?
  • Cladonia
  • Graphis
  • Parmelia
  • Lecanora
Stemonites has ...........types of plasmodium.
  • Protoplasmodium
  • Aphanoplasmodium
  • Phaneroplasmodium
  • None of the above
The cell wall of a fungus consists of:
  • Cellulose
  • Hermicellulose
  • Chitin
  • Both A and C
'Red rot of sugarcane' and 'white rust of radish' are respectively caused by
  • Albugo candida and Cerospora
  • Colletotrichum and Fusarium
  • Phythium and Phytophthora
  • Albugo candida and Puccinia graminis
  • Colletotrichum and Albugo candida
Fungi differ from algae in having:
  • Chitinous cell wall and no chlorophyll
  • Chitinous cell wall and chlorophyll
  • Cellulosic cell wall and no chlorophyll 
  • Cellulosic cell wall and chlorophyll
Taxonomy of fungi is based on
  • Sexual reproduction
  • Nutrition
  • Shape of sporocarp
  • Cell wall
Egyptian pyramids are madeup of limestone contributed by one of the following protozoans
  • Radiolarians
  • Foraminiferans
  • Nummulites
  • All of the above
According to Tippo, BGA are included in
  • Chrysophyta
  • Pyrrophyta
  • Chlorophyta
  • Cyanophyta
Which is the correct Aristotle's ladder of nature?
  • Inanimate matter $$\rightarrow$$ lower plants $$\rightarrow$$ higher plants $$\rightarrow$$ zoophyta $$\rightarrow$$ entoma $$\rightarrow$$ ostracoderma $$\rightarrow$$ molluscs $$\rightarrow$$ malacostraca $$\rightarrow$$ fish $$\rightarrow$$ oviparous quadrupeds $$\rightarrow$$ cetacea $$\rightarrow$$ birds $$\rightarrow$$ viviparous quadrupeds $$\rightarrow$$ humans
  • Inanimate matter $$\rightarrow$$ lower plants $$\rightarrow$$ higher plants $$\rightarrow$$ zoophyta $$\rightarrow$$ entoma $$\rightarrow$$ molluscs $$\rightarrow$$ malacostraca $$\rightarrow$$ ostracoderma $$\rightarrow$$ fish $$\rightarrow$$ oviparous quadrupeds $$\rightarrow$$ cetacean $$\rightarrow$$ birds $$\rightarrow$$ viviparous quadrupeds $$\rightarrow$$ humans
  • Inanimate matter $$\rightarrow$$ lower plants $$\rightarrow$$ higher plants $$\rightarrow$$ zoophyta $$\rightarrow$$ molluscs $$\rightarrow$$ malacostraca $$\rightarrow$$ ostracoderma $$\rightarrow$$ fish $$\rightarrow$$ oviparous quadrupeds $$\rightarrow$$ cetacea $$\rightarrow$$ birds $$\rightarrow$$ viviparous quadrupeds $$\rightarrow$$ humans
  • Inanimate matter $$\rightarrow$$ lower plants $$\rightarrow$$ higher plants $$\rightarrow$$ zoophyta $$\rightarrow$$ entoma $$\rightarrow$$ ostracoderma $$\rightarrow$$ malacostraca $$\rightarrow$$ molluscs $$\rightarrow$$ fish $$\rightarrow$$ cetacea $$\rightarrow$$ oviparous quadrupeds $$\rightarrow$$ birds $$\rightarrow$$ viviparous quadrupeds $$\rightarrow$$ humans
Which one of the following is a matching pair of certain organism(s) and the kind of association?
  • Shark and sucker fish - Parasitism
  • Algae and fungi in lichens - Mutualism
  • Orchids growing on trees - Parasitism
  • Cuscuta (dodder) growing on other flowering plants - Epiphytism
Bell - animalcule or pedicillate protozoan is 
  • Vorticella
  • Didinium
  • Nyctotherus
  • Arcineta
The prions consist mainly of:
  • Protein
  • DNA
  • RNA
  • Both DNA and RNA
Eichler divided plant kingdom in
  • Two divisions
  • Four divisions
  • Ten divisions
  • Five divisions
Oswald Tippo placed slime molds in
  • Cyanophyta
  • Chlorophyta
  • Phaeophyta
  • Myxomycophyta
Bacterial genome consist of 
  • Circular, ssRNA
  • Circular, dsDNA
  • Linear, triple stranded DNA
  • Zig-zag DNA
System of classification proposed by Linnaeus was
  • Artificial
  • Natural
  • Sexual
  • Both A and C
Now protozoans are not included in kingdom Animalia, because these are 
  • Unicellular prokaryotes
  • Multicellular prokaryotes
  • Unicellular eukaryotes
  • Mostly asymmetrical
Linnaeus proposed an outline of plant classification in
  • Genera Plantarum
  • Species Plantarurn
  • Systema Naturae
  • Philosophia Botanica
Carolus Linnaeus classified plant kingdom on the basis of
  • Floral morphology
  • Overall morphology of plants
  • Type of sexual reproduction
  • Anatomical character
Which of the following characters indicate similarity between fungi and animals?
  • Heterotrophic nutrition
  • Multicellular
  • Presence of chitin
  • All of the above
Most characteristic feature of diatoms is
  • Pigments
  • Stored food
  • Cell wall
  • Non-oxygenic photosynthesis
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