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Quiz 5
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Q.1
Match the columns and choose the correct combinations from the options given
a) Wheat
Primata
b) Mango
Diptera
c) House fly
Sapindales
d) Man
Poales
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a) a- 1, b – 2, c – 4, d-3
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b) a- 4, b – 3, c – 2, d-1
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c) a- 2, b – 4, c – 1, d-3
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d) a- 3, b – 4, c – 2, d-1
Explanation
Primata is order :monkeys, and apes including humans, and is characterized by nails on the hands and feet, a short snout, and a large brain. Thus d- 1 Poalesis class of flowering plants in the monocotyledons and wheat is classified in it. Scientific name Triticumaestivumthus a – 4 Sapindales :is an order of flowering plants. Well-known members of Sapindales include citrus; maples, horse-chestnuts, lychees ,mangos and cashews; frankincense and myrrh; mahogany and neem. Thus b -3 Diptera: True flies are insects of the order. The common names of the members of this order (Diptera) are written as two words: crane fly, robber fly, bee fly, moth fly, fruit fly, c- 2 Answer : (b)
Q.2
Which is different in different groups? .. [WB 2007]
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a) Species
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b) Taxon
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c) Plankton
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d) Family
Explanation
Groups : Collection of animals, plants, or microorganisms having the same distinctive features, which identify them from the other. Taxon:Taxon is a group of organism, is a taxonomic category have full description of classification, as a species, family, or class.. Or group of closely related organism or Thus different groups have different Taxon or different taxonomic category Species belongs to same group Family contain different groups Plankton includes plants and animals that float along at the mercy of the sea's tides and currents. Their name comes from the Greek meaning "drifter" or "wanderer." Answer : (b)
Q.3
Two plants belong to same species if they … [ CBSE 2007]
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a) Have more than 90% similar genes
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b) Look similar and possess identical secondary metabolites
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c) Have similar number of chromosomes
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d) Can reproduce freely with each other form seeds
Explanation
definition of species = species are groups of interbreeding natural populations that are reproductively isolated from other such groups Answer : (d)
Q.4
Descending arrangement of caregories is called … .. [ Chd. CET 2012]
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a) Classification
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b) Taxonomy
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c) Hierarchy
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d) Key
Explanation
taxonomy is the science of naming, defining and classifying groups of biological organisms on the basis of shared characteristics. Key: is a device used by biologists for identifying unknown organisms. classification is the arrangement of animals and plants in taxonomic groups according to their observed similarities (including at least kingdom and phylum in animals, division in plants, and class, order, family, genus, and species. The meaning of hierarchy is the arrangement of the categories in an increasing order from species to the kingdom or in a decreasing order from kingdom to species. Answer : (c)
Q.5
National Botanical Institute is located in … [ DPMT 2007]
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a) Mumbai
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b) Kolkata
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c) Lucknow
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d) Chennai
Explanation
National Botanical Institute is located in Lucknow Answer : (c)
Q.6
Which of the following is not taxon but a category … .. [ HPPMT 2012]
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a) Division
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b) Angiosperms
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c) Polypetalae
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d) Hibiscus
Explanation
Taxon is a group of organism, while category is status of taxon or relative level Division : the relative level of a group of organisms Angiosperms : a plant of a large group that comprises those that have flowers and produce seeds enclosed within a carpel or we can say a group hence texon Polypetalae : was a taxonomic grouping used in the identification of plants hence texon Hibiscus is genus hence texon Answer : (a)
Q.7
The famous botanical garden of Kew is located in … .. [ AMU 2009]
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a) India
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b) England
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c) Germany
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d) France
Explanation
Kew Gardens is a botanical garden in southwest London that houses the "largest and most diverse botanical and mycological collections in the world Answer : (b)
Q.8
In hierarchical classification class interpolated between … [ CET Chd. 2002]
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a) A family and genus
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b) Phylum and order
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c) Order and family
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d) Kingdom and phylum
Explanation
Answer : (b)
Q.9
Which is a taxon? …. [ Pb. PMT 1998 ]
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a) Order
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b) Family
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c) Genus
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d) All the above
Explanation
Taxon is a taxonomic group of any rank, such as a species, family, or class. Answer : (d)
Q.10
Carolus Linnaeus ( Carl Linne) was from …[ Manipal 1997]
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a) Sweden
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b) UK
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c) Holland
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d) France
Explanation
Carolus Linnaeus Swedish botanist, physician, and zoologist, Answer : (a)
Q.11
A living organism can be unexceptionally differentiated from a non-living thing on the basis of its ability for … .. [ CBSE 2007]
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a) Reproduction
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b) Growth and movement
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c) Responsiveness to touch
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d) Interaction with environment and progressive evolution
Explanation
Cellular Metabolism is defining character of living beings. Reproduction is the action or process of copying something. cell division cycles are used in the process of sexual/asexual reproduction at some point in their life cycle. Growth and movement :- even non living things do move like sand dunes and even mountain show growth i.e increase in size Responsiveness to touch :- person in coma does not respond to stimuli, A touch screen panel is a clear glass panel with a touch responsive surface. Evolution need not be always progressive. So reproduction is correct option Answer : (a)
Q.12
Assertion : Complexity of classification increases from kingdom to species Reason : Common characters increases from kingdom to species … .. [ AIIMS 2012]
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
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c) Assertion is true but, Reason is false
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d) Assertion is false but, Reason is true
Explanation
Common characters increases from kingdom to species is true as a result field biologists as they often need more detailed observation to point out differences so Complexity of classification increases from kingdom to species. So Reason is true but not correct explanation Answer : (b)
Q.13
Assertion : Living systems are closed systems. Reason : Energy of living organisms cannot be lost or gained from environment … [ AIIMS 2002]
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a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
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b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
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c) Assertion is true but, Reason is false
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d) Assertion is false but, Reason is true
Explanation
Closed system that doesn't exchange any matter with its surroundings, Living organism gain energy internally by the process of cellular respiration. So Assertion is false but reason is true Answer : (d)
Q.14
Institution which encourage publication of local flora is … [ EAMCET2001]
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a) NBRI
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b) FRI
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c) BSI
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d) IAFI
Explanation
BSI : Botanical Survey Of India The Botanical Survey of India is a government organisation. The main programme of the survey is the preparation of a detailed account of the plant resources of the country in the form of national, district and regional floras. It has started publishing the new Flora of India in the form of Fasicles for higher plants. Answer : (c)
Q.15
Father of taxonomy is … .. [ AMU 2005 ]
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a) Bentham and Hooker
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b) Hutchinson
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c) Linnaeus
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d) Whittaker
Explanation
Answer : (c)
Q.16
What is true about the species which have become extinct…. [ Orissa 2003 ]
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a) About 99% of all that lived on earth
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b) About 75% of all that lived on earth
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c) About 25% of all that lived on earth
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d) None of the above
Explanation
More than 99 % of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Because of evolution, mass extinction due to failure to adopt changing environment Answer : (a)
Q.17
Select the incorrect statements 1) Lower the taxon, more are the characteristics shared by members 2) Order is an assemblage of genera which have a few similar characters 3) Cat and Dog belong to same family of felidae 4) Binomial nomenclature was introduced by Carolus Linnaeus
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a) 2 and 3
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b) 3 and 4
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c) 1 and 4
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d) 2,3 and 4
Explanation
Order is above species, genus and family. Thus statement 2 is wrong Cat family is Felidae while dog family is Canidae. Thus statement 3 is wrong Answer : (a)
Q.18
Tenth edition of Systema Naturae was published in … [ W.B. 2007]
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a) 1758
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b) 1764
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c) 1765
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d) 1858
Explanation
Answer : (a)
Q.19
Characteristics which delimit a family are more general than which delimit a … .. [ JIPMER 1999 ]
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a) Cohort
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b) Phylum
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c) Class
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d) Genus
Explanation
delimit determine the limits or boundaries of. Answer : (d)
Q.20
indented keys are also known as:
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a) Yoked keys.
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b) Yolked keys.
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c) Bracketed keys.
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d) None of these.
Explanation
In an indented key ,also called yoked, the paired-couplet choices are identified in the same way and given the same number. Answer:(a)
Q.21
Animals with built-in thermostat are … [ CPMT 2008]
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a) Biothermic
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b) Oligothermic
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c) Poikilothermic
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d) Homeothermic
Explanation
Biothermic : Process using heat from biomass Oligothermic : Species tolerating or confined to relatively low temperatures Poikilothermics: Species can survive with their internal body temperature varying over a wide range. They are able to withstand a much larger variation in external temperature that affects the internal body temperature. Examples of poikilotherms are fish and reptile Homeothermic : Species that maintains a constant body temperature despite fluctuating environmental temperatures; a warm-blooded animal such as humans. Or they have built in thermostat Answer : (d)
Q.22
Living steady state has a self regulatory mechanism called … [ Manipur 2007]
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a) Homeothermy
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b)Feedback mechanism
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c) Homoxygosity
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d) Homeostasis
Explanation
Answer : (d)
Q.23
The book having binomial nomenclature for the first time is … [ MPPMT 1999]
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a) Histoire Naturelle
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b) Systema Naturae
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c) Historia Naturalis
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d) Historia Plantarum
Explanation
Answer : (b)
Q.24
A group of interbreeding organisms is …..[ BHU 1990]
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a) Genus
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b) Family
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c) Order
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d) Species
Explanation
Species are groups of interbreeding natural populations that are reproductively isolated from other such groups Answer : (d)
Q.25
Homeostasis is …. .. [ CBSE 1991]
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a) Tendency to charge with change in environment
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b) Tendency to resist change
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c) Disturbance in regulatory control
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d) Plants and animal extracts used in homeopathy
Explanation
Answer : (b)
Q.26
Which one is positive feed back mechanism?
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a) Sexual stimulation
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b) Allosteric inhibition
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c) Blood pressure
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d) Perspiration
Explanation
Positive feedback enhances or amplifies an effect by it having an influence on the process which gave rise to it. Sexual stimulation is any stimulus (including bodily contact) that leads to, enhances and maintains sexual arousal, Allosteric inhibition is the process by which a regulatory molecule binds to an enzyme. Uses negative feedback loop Blood pressure :The pressure of the circulating blood against the walls of the blood vessels, which is due to contraction of heart Perspiration :the process of sweating to decrease body temperature. Uses negative feedback loop Answer : (a)
Q.27
What is correct … .. [ Manipal 2001 ]
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a) APIS INDICA
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b) trypansoma gambiense
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c) Ficus Bengalensis
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d) Mangifera indica
Explanation
Rules for Binomial nomenclature The entire two-part name must be written in italics (or underlined when handwritten). The genus name is always written first. The genus name must be capitalized. The specific epithet is never capitalized. Rules for Binomial nomenclature is followed only in option d Answer : (d)
Q.28
Species is a group of organisms that … . [ DPMT 1992]
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a) Can interbreed
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b) Cannot interbreed
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c) Live together
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d) non of above
Explanation
Answer : (a)
Q.29
Read the statement and identify the incorrect one .. .. [ KCET 2012]
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a) Scientific names are often descriptive
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b) Scientific names indicate relationship
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c) Scientific name favour multiple naming
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d) Scientific name are used all over the world
Explanation
Answer : (c)
Q.30
The Indian Botanical Garden is located at … [ CET chd. 2010]
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a) Dehradun
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b) Lucknow
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c) Kolkata
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d) Chennai
Explanation
Answer : (c)
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