Diversity in Living Organisms
Life-Science Biology IX-XII Medical NCERT Science CBSE Nomenclature Classification Taxonomy
Questions
Which of the following scientists divided organisms into five kingdoms?
- Robert H. Whittaker
- Carl Woese
- Aristotle
- Theophrastus
What is the smallest unit of classification?
- Kingdom
- Phylum
- Genus
- Species
To which phylum do sponges belong?
- Porifera
- Coelenterata
- Echinodermata
- Protozoa
What is the method of arranging organisms into groups or sets on the basis of similarities and differences called?
- Nomenclature
- Classification
- Binomial nomenclature
- Taxonomy
To which phylum do earthworm and leech belong?
- Platyhelminthes
- Nematoda
- Arthropoda
- Annelida
'Notochord' is a part of
- muscular system
- skeletal system
- nervous system
- all of the above
Give the scientific name of Tapeworm.
- Wuchereria bancrofti
- Fasciola
- Ascaris
- Taenia solium
Which of the following animal group has soft-bodied animals supported by calcareous shells?
- Mollusca
- Arthropoda
- Echinodermata
- Coelenterata
What are Cryptogams?
- Flowering plants
- Flowerless, seedless plants
- Most primitive, simple plants with undifferentiated body
- Seed bearing plants
What are the animals which have two germ layers in the embryo called?
- Metazoa
- Diploblastic
- Triploblastic
- Coelomates
Name the organism used in the preparation of vermi-compost.
- Lizards
- Earthworms
- Insects
- Frogs
Movement in Amoeba, (which belongs to kingdom Protista) takes place by
- cilia
- flagella
- pseudopodia
- tube feet
Which phylum has the following characteristics -segmented body , jointed legs and compound eyes?
- Mollusca
- Arthropoda
- Echinodermata
- Annelida
In which of the following type of fish, gills are covered by an operculum?
- Bony fish
- Cartilaginous fish
- Scaly fish
- None of these
To which of the given phyla, do the animals which can regenerate their visceral parts belong?
- Coelenterata
- Nematoda
- Echinodermata
- None of the above
Who proposed the 'Binomial system of nomenclature' ?
- John Ray
- E.H. Haeckel
- Carolus Linnaeus
- Charles Darwin
'Pinus' belongs to which major group of plant kingdom?
- Bryophyta
- Pteridophyta
- Angiosperms
- Gymnosperms
How many chambers are present in the heart of fishes?
- Single chamber
- Two chambers
- Three chambers
- Four chambers
Metamerism is a characteristic feature of
- chordata
- annelida
- mollusca
- nematoda
To which phylum do 'cockroaches' belong?
- Annelida
- Arthropoda
- Amphibia
- Mollusca
'Amphioxus' belongs to
- hemichordata
- urochordata
- cephalochordata
- craniata
What is the system of giving scientific names to plants and animals called?
- Hierarchy
- Biodiversity
- Nomenclature
- Classification
'Sponges' are characterized by the presence of
- stinging cells
- canal system
- suckers and hooks
- antennae
Name the phylum, which includes those animals where the notochord is replaced by vertebral column.
- Hemichordata
- Protochordata
- Vertebrata
- Cephalochordata
Out of the following, which one is not an example of dicots?
- Maize
- Pea
- Apple
- Sunflower