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Free download in PDF The Living World Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Each category of taxonomic hierarchy refers to as a unit of______.
[A]
systematic
[B]
identification
[C]
nomenclature
[D]
classification
(2)
Which of the following statement(s) is/are correct?
[A]
Only living organisms grow.
[B]
Plants grow only up to a certain age.
[C]
The growth in living organisms is from inside.
[D]
All of the above
Answer: The growth in living organisms is from inside.
(3)
Which one of the following is not a correct statement?
[A]
Botanical gardens have collection of living plants for reference.
[B]
A museum has collection of photographs of plants and animals.
[C]
Key is a taxonomic aid for identification of specimens.
[D]
Herbarium is a store house that contains dried, pressed and preserved plant specimens.
Answer: A museum has collection of photographs of plants and animals.
(4)
Statement 1 : Taxon and category are different things.
Statement 2 : Category shows hierarchical classification.
[A]
Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1
[B]
Statement -1 and Statement -2 are true;statement-2 is not a correct explanation for statement – 1
[C]
Statement – 1 is true and statement- 2 is false
[D]
Both the statements are false.
Answer: Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1
(5)
Which of the following statements regarding nomenclature is correct?
[A]
Scientific name should be printed in italics.
[B]
Scientific name when typed or handwritten should be underlined.
[C]
Generic name always begins with capital letter whereas specific name with small letter.
[D]
All of the above
(6)
Which of the following statements regarding growth is in correct?
[A]
A multicellular organism grows by cell division.
[B]
In plants, growth by cell division is seen only up to a certain stage.
[C]
Growth exhibited by non-living objects is by accumulation of material on the surface.
[D]
Growth in in vitro culture of unicellular organisms can be observed by counting the number of cells.
Answer: In plants, growth by cell division is seen only up to a certain stage.
(7)
Which of the following statement(s) is/are correct for Metabolsim ?
[A]
It is the sum total of all physical reactions taking place inside a living system.
[B]
All plants, animals, fungi and microbes exhibit metabolism.
[C]
Isolated metabolic reactions in-vitro are not living but are living reactions.
[D]
All of the above
Answer: All plants, animals, fungi and microbes exhibit metabolism.
(8)
Which of the following statements(i – vi) are correct ?
(i) Growth cannot be taken as a defining property of living organism.
(ii) Dead organism does not grow.
(iii) Reproduction cannot be an all inclusive defining characteristic of living organisms.
(iv) No non-living object is capable of replicating itself.
(v) Metabolism in a test tube is non-living.
(vi) Metabolism is a defining feature of all living organisms.
[A]
(i) and (iii)
[B]
All except (v)
[C]
All except (iii)
[D]
All of these
(9)
Which of the following statements are not correct ?
(i) Lower the taxon, more are the characteristics that the members within the taxon share.
(ii) Order is the assemblage of genera which exhibit a few similar characters.
(iii) Cat and dog are included in the same family Felidae.
(iv) Binomial nomenclature was introduced by Carolus Linnaeus.
[A]
(i), (ii) and (iii)
[B]
(ii), (iii) and (iv)
[C]
(i) and (iv)
[D]
(ii) and (iii)
(10)
Which of the following statements are correct?
(i) Genus comprises a group of related species.
(ii) Taxon represents a taxonomic group of individual organisms.
(iii) Family comprises a group of related genera.
(iv) Taxonomic category class includes related orders.
[A]
(ii) and (iv)
[B]
(i), (ii), and (iv)
[C]
(i), (iii) and (iv)
[D]
(ii), (iii) and (iv)
Answer: (i), (iii) and (iv)
(11)
Which of the following statement(s) is/are not correct ?
(i) Reproduction is the production of progeny possessing features dissimilar to their parents.
(ii) The fungi, the filamentous algae, the protonema of mosses, all multiply by budding.
(iii) Many organisms like mules, sterile worker bees do not reproduce.
(iv) Reproduction is not an all-inclusive defining characteristic of living organisms.
[A]
Only (i)
[B]
Both (i) and (ii)
[C]
Both (ii) and (iv)
[D]
All of these
Answer: Both (i) and (ii)
(12)
Which of the following statement(s) is/are correct ?
(i) All living organisms have ability to respond the environment stimuli which could be physical, chemical or biological.
(ii) Plants respond to external factors like light, water, temperature, other organisms, pollutants, etc.
(iii) Photoperiod affects the process of reproduction.
(iv) Human being is the only organism who has self-consciousness.
[A]
Only (i)
[B]
Both (ii) and (iii)
[C]
Both (i) and (iv)
[D]
All of these
(13)
Which of the following statement(s) is/are correct ?
(i) Classification is the providing of standardize names to the organisms such that a particular organism known by the same all over the world.
(ii) Taxonomy is the correct description of an organism and to recognition in its scientific name.
(iii) The system of naming with two components(binomial nomenclature) is proposed by Carolus Linneaus.
(iv) Zoological names are based on International Code for Zoological Nomenclature (ICZN).
[A]
Only (i)
[B]
Both (iii) and (iv)
[C]
Only (iv)
[D]
All of these
Answer: Both (iii) and (iv)
(14)
Which of the following taxonomic categories is being described by the given statements(i-iii) ?
(i) It is the basic unit of classification.
(ii) It is defined as the group of individuals which resemble in their morphological and reproductive characters and interbreed among themselves and produce fertile off springs.
(iii) Human beings belong to the species sapiens which is grouped in the genus Homo.
[A]
Family
[B]
Order
[C]
Genus
[D]
Species
(15)
Which of the following statement(s) is/are not correct ?
(i) Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
(ii) Three different genera such as Solanum, Datura and Petunia are placed in the family malvaceae.
(iii) In case of plants, classes with a few similar characters are assigned to a higher category called phylum.
[A]
Both (i) and (ii)
[B]
Only (iii)
[C]
Both (ii) and (iii)
[D]
All of these
Answer: Both (ii) and (iii)
(16)
Which of the following taxonomical aids is being described by the given statements(i-iv) ?
(i) They generally established in educational institutes.
(ii) They have collections of preserved plant and animals specimens for study and reference.
(iii) Insects are preserved in boxes after collecting, killing and pinning.
(iv) They often have collections of skeletons of animals too.
[A]
Herbarium
[B]
Museum
[C]
Zoological parks
[D]
Botanical gardens
(17)
Statement 1 : The species is reproductively isolated natural population.
Statement 2 : Prokaryotes cannot be kept under differents species on the basis of reproductive isolation.
[A]
Statement-1 and Statement-2 are True and statement-2 is a correct explanation forstatement-1
[B]
Statement -1 and statement -2 are True and statement-2 is not a correct explanation forstatement-1
[C]
Statement-1 is true and statement-2 is false
[D]
Both the statements are false.
Answer: Statement -1 and statement -2 are True and statement-2 is not a correct explanation forstatement-1
(18)
Which of the following statements regarding growth is incorrect?
[A]
In animals growth is seen up to a certain age.
[B]
Increase in body mass is considered as growth.
[C]
Growth by cell division occurs continuously throughout their life span in animals.
[D]
Increase in mass and number of individuals is the characteristic feature of animal growth.
Answer: Growth by cell division occurs continuously throughout their life span in animals.
(19)
Select the correct statements(i-v) regarding taxonomic categories.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.
[A]
(i) & (ii) only
[B]
(ii) & (iv) only
[C]
(i), (ii) & (iii) only
[D]
All of the above
(20)
Which of the following statements is incorrect?
[A]
The scientific name for humans is Homo sapiens.
[B]
Species that are in the same genus share very specific characteristics.
[C]
Organisms placed in the same genus are least closely related.
[D]
Moving from species to kingdom, more different species are included in each higher category.
Answer: Organisms placed in the same genus are least closely related.
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