StudentAidUnit 1: Unit 1: Biodiversity & Classification — Mcqs
11th Class Biology · Unit 1: Biodiversity & Classification
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Multiple Choice Questions
1.Which domain of life is characterized by organisms that often inhabit extreme environments and have cell membranes with ether-linked lipids?
2.What is a key difference between the domains Bacteria and Archaea?
3.Which of the following kingdoms includes organisms that are mostly unicellular, eukaryotic, and can be autotrophic or heterotrophic?
4.In which kingdom are organisms predominantly multicellular, autotrophic, and have cell walls made of cellulose?
5.Which of the following criteria is commonly used to classify viruses?
6.Which virus group includes viruses such as Coronaviruses and Influenza viruses?
7.At which level of biodiversity assessment do we evaluate the variety of different species within a particular habitat or ecosystem?
8.Which method is best suited for assessing the distribution of species across a gradient of environmental conditions within a single geographical area?
9.Which of the following statements is true regarding the concept of a species?
10.What type of speciation occurs when populations are geographically separated by a physical barrier?
SLO Based Multiple Choice Questions
Three-Domain System of Classification
11.Who suggested that there are the separate groups of prokaryotes?
12.Domains suggested by Carl Woese in a 1990 includes.
13.Individual archaeans range from 0.1μm to over ........... in diameter.
14.The archaeans which form aggregates or filaments ........... in length.
15.The cell membranes of archaea contain lipids with ........... between glycerol and fatty acid chains.
16.The lipids in the cell membranes of bacteria and eukarya have fatty acids attached to glycerol by ......... .
17.Which of the following is not present in the cell walls of archaea?
18.The archaeans which are vital part of sewage treatment are:
19.Which process is the sole property of archaeans that bacteria and eukarya do not have?
20.Which one of the following does not belong to archaea?
21.The structure in bacteria that helps in genetic diversity and adaptation is:
22.The extremophiles which can thrive in low pH are called:
23.E.coli and Helicobacter pylori belongs to which group of domain bacteria:
24.Which one of the following belongs to Aquificae group of bacteria?
25.The structure that facilities intracellular transport in eukaryans is:
26.The organelles of symbiotic origin are:
Taxonomic Hierarchy
27.The highest level of classification among all living organisms is:
28.The rank of taxonomic hierarchy in which organisms share a basic body plane and significant structural features is:
29.In taxonomic hierarchy, the most specific level of classification is:
30.Sparrow belongs to class:
Salient features of kingdoms of domain Eukarya
31.Amoebic dysentery is caused by a parasite:
32.Select the organism on the basis of features given heterotrophic (does not ingest food) cell wall made of a polysaccharide, unicellular or multicellular:
Kingdom Animalia
33.Which of the following lacks conducting (xylem and phloem), no seed production and no flowers?
34.Venus flower basket is the common name for:
35.The layer of sponges which contains ameboid cells and is jelly-like is called:
36.Identify the cnidarian which can move freely:
37.Nematocysts are the structures of defence and nutrition in:
38.Polyps are cylindrical have functions in nutrition and are attached to the substrate at the:
39.Recognize the animal on the basis of information given below:
Lack respiratory and circulatory systems, tubular protonephridia cerebral ganglia in head and reproduce asexually by fission
40.Which one of the following animal is pseudocoelomate?
41.Select the class which does not belongs to Mollusca:
42.All mollusses have a rasping tongue-like organ called radula except:
43.The segmented worm found in marine waters is:
44.The excretory system of annelids consists of ciliated, funnel shaped tubular structure called:
45.Pulsating blood vessels (pseudo-hearts) closed type circulatory system, respiratory pigment hemoglobin are the characteristics of:
46.The arthropods have an exoskeleton or cuticle which is secreted by the _______ of body wall:
47.Tagmata is the characteristic feature of:
48.Which one of the following is a crustacean?
49.Following are the classes of arthropods except:
50.Following animals are exclusively marine:
51.In echinoderms the calcareous endoskeleton in the form of plates called ossicles are derived from:
52.Which of the following is NOT a characteristics of nematodes?
53.Which of the following is a free living nematode?
54.Nematodes possess a nervous system that includes:
55.Nematodes are pseudocoelomates because they:
56.The excretory system of nematodes is made up of:
57.Annelids have circulatory system:
58.Which of the following is a hermaphroditic annelid?
59.The annelids which lack setae is:
60.Metameric segmentation in annelids refers to:
61.The mantle in molluscs secrete the following structure:
62.Squids and octopuses belong to which class of molluscs?
63.Excretion in molluscs is carried out by:
64.Radula or rasping-tongue in molluscs is primarily used for:
65.Which of the following echinoderm is known for its ability to regenerate its lost / cut arms?
66.Which of the following is not a characteristic feature of echinoderms?
67.The madreporite in echinoderms is the part of ........... system:
68.The adults of Echinodermata exhibit ........... symmetry:
69.The water vascular system in echinoderms is basically used for:
70.Which one of the following arthropod respires through tracheal tubes?
71.The excretory structures in arthropods is:
72.The process of shedding old exoskeleton and forming new exoskeleton of large size in arthropods is termed as:
73.The exoskeleton of arthropods is primarily composed by:
74.The unique and distinguishing characteristics of arthropods is:
Chordates
75.Which of the following is a common derived characteristic of all chordates at some stage of their life cycle?
76.The tubular nerve cord in chordates is present:
77.In urochordates the notochord is present:
78.Which class of fishes do not have jaws and possess cartilaginous endoskeleton?
79.Sharks are different from other class of fishes because they:
80.The swim bladder in bony fishes (osteichthyes) is used for:
81.Which of the following is not a bony fish?
82.The evolution of amniotic eggs was important for vertebrates because it:
83.Which of the following does not belongs to amphibians?
84.The evolution of three chambered heart in amphibians resulted in:
85.The feature absent in chondrichthyes but present in osteichthyes is:
86.Reptiles are different from amphibians in that reptiles:
87.Which of the following is not a present day reptile?
88.In many birds there is a storage structure that allows birds to quickly ingest large quantities of food, it is:
89.The birds which have secondarily lost their power of flight are called:
90.Which one of the following is a running bird?
91.The adaptation in birds is a large bone, which allows attachment of major flight muscles, it is called:
92.If a vertebrate animal has a dry, scaly skin and lays leathery shelled eggs it most likely belongs to class:
93.The characteristics feature shared by amphibians and reptiles, but not by the birds is:
94.Mammals include group of vertebrates which are nourished by milk from ......... glands of mother:
95.Which one of the following mammal is a marsupial?
96.The mammals which lay eggs in which whole development of the embryo proceeds are called:
97.Which gland secretes sweat in mammals?
Classification of viruses
98.Viruses are not considered organisms because they:
99.A Plant virus with a helical capsid is:
100.A researcher studying COVID-19 virus would classify it as a:
101.The viruses which lack an outer lipid envelope and consists only of a capsid enclosing the nucleic acid are called:
102.Gastroenteritis is caused by:
103.The viruses in which RNA genome is directly translated into proteins by the host cells ribosomes are called:
104.Reverse transcribing viruses like HIV are unique because they:
Biodiversity
105.Role or function of an organism or species with in an ecosystem refers to:
106.Mark-recapture method is particularly used for:
107.Ernst Mayr's definition of species emphasizes:
108.Sympatric speciation differs from allopatric speciation because it:
109.Which of the following is an example of Peripatric speciation?
110.The remote sensing method uses: