Biology ยท Science General
Diversity in Living Organisms
3,323 Questions
The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.
Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification
Diversity in Living Organisms Questions
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monera
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protista
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fungi
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animalia
C
Correct answer
Explanation
Fungi are eukaryotic, achlorophyllous (lack chlorophyll), spore-bearing, and saprophytic organisms.
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E.coli
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Rhizopus
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Amoeba
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Spirogyra
A
Correct answer
Explanation
E. coli is a bacterium, which is a prokaryotic organism. The others (Rhizopus, Amoeba, Spirogyra) are eukaryotes.
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Ammonotelism
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Ureotelism
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Uricotelism
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None of these
D
Correct answer
Explanation
Cfreatinine is not a nitrogenous waste in any of the above process.
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simple diffusion
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filtration
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translocation
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reabsorption
A
Correct answer
Explanation
Unicellular organisms, such as Amoeba, rely on simple diffusion across their cell membrane to remove waste products directly into the surrounding environment.
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Algae
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Amoeba
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Fungi
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Bacteria
A
Correct answer
Explanation
Algae are photosynthetic organisms that produce their own food, classifying them as producers. Amoeba, fungi, and bacteria are generally consumers or decomposers.
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Grasshopper
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Planaria
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Amoeba
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Both 1 and 2
D
Correct answer
Explanation
Amoeba is a single-celled organism. Grasshoppers and planaria are multicellular animals, making option D the correct choice as it identifies that both 1 and 2 are not single-celled.
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Earthworm
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Hookworm
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Squid
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Ant
A
Correct answer
Explanation
A hermaphrodite is an organism that has both male and female reproductive organs. Earthworms are classic examples of simultaneous hermaphrodites.
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Urochordata
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Hemichordata
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Aves
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Cephalochordata
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Euchordata
B
Correct answer
Explanation
Hemichordata is a phylum of Chordata-like animals, which have pharyngeal gill slits. The body is worm-like and divisible into proboscis, collar and trunk.
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Echinoidea
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Ophiuroidea
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Asteroidea
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Crinoidea
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Holothuroidea
C
Correct answer
Explanation
Asteroidea is a class of subphylum Elutherozoa of phylum Echinodermata. It has flat and star-shaped animals and small pedicellariae.
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Ommatophore
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Osphradium
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Ostracum
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Ommatidium
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Operculum
A
Correct answer
Explanation
A movable stalk supports the eyes present in molluscs. So, it is called as an eye stack of molluscs.
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Bufomelanostictus
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Apteryx australis
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Ichthyophis
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Herdmania
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Kangaroo
D
Correct answer
Explanation
Herdmania is a tunicate. It belongs to the subphylum Urochordata and has a free swimming tadpole larva that shows retrogressive metamorphosis.
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Pelecypoda
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Gastropoda
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Amphineura
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Scaphopoda
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Monoplacophora
A
Correct answer
Explanation
Class Bivalvia or Pelecypoda consists of filter feeder molluscs in which the shell is external and made up of two valves jointed dorsally by a hinge joint. Pinctada or pearl oyster is present in pelecypoda.
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Lepisma saccharina
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Peripatus
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Limulus
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Locusta
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Daphnia
B
Correct answer
Explanation
In Peripatus, there is the presence of primitive characters such as presence of cilia, nephridia, unjointed legs and there is the absence of external segmentation. Due to the presence of these characters, Peripatus is considered to be the most primitive arthropod.
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Amphineura
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Gastropoda
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Bivalvia
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Scaphopoda
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Cephalopoda
E
Correct answer
Explanation
The head and foot come together and fuse to form a cephalopod. Cephalopods have eyes similar to those of a vertebrate.
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Comb jelly
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Kangaroo
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Brittle star
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Frog
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Spongilla
C
Correct answer
Explanation
It is an echinoderm which has radial symmetry in adult phase and bilateral symmetry in the larval stage.