MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
NEET
NEET Biology MCQ
The Living World MCQ
Quiz 4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q.1
A botanist is to nomemclate a similar species. The scientist will study .. [ CPMT 1999]
0%
a) Syntype
0%
b) Isotype
0%
c) Neotype
0%
d) Mesotype
Explanation
A neotype is a specimen later selected to serve as the single type specimen when an original holotype has been lost or destroyed or where the original author never cited a specimen. A syntype is any one of two or more specimens that is listed in a species description where no holotype was designated. A isotype is plant specimen that is a duplicate of or very similar to the type specimen and can be used as a reference specimen if the type specimen is lost. Answer : (b)
Q.2
Binomial nomenclature is … [ CET Chd 2002]
0%
a) Two words in name of species
0%
b) Two names local and specific
0%
c) Feeding over the same food
0%
d) Reproductively isolated
Explanation
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. Answer : (a)
Q.3
National Botanical Research Institute located in … .. [ HPPMT 2010]
0%
a) Chenni
0%
b) Lucknow
0%
c) Kolkata
0%
d) Darjeeling
Explanation
Answer : (b)
Q.4
Amount of usable energy available for work at uniform temperature and pressure is …[ kerala 2008]
0%
a) Enthalpy
0%
b) Free energy
0%
c) Activation energy
0%
d) Spontaneous energy
Explanation
Enthalpy: the sum of the internal energy of a body or system and the product of its volume multiplied by the pressure. Free energy :a thermodynamic quantity it is the amount of energy available for system to do work on its own, equivalent to the capacity of a system to do work on its own. Activation energy is the energy required to start a reaction. There is no term as Spontaneous energy but it is Spontaneous process Answer : (b)
Q.5
Systema Naturae was written by …[ DPMT 2008 ]
0%
a) Lamarck
0%
b) Cuvier
0%
c) Aristotle
0%
d) Linnaeus
Explanation
Systema Naturae is one of the major works of the Swedish botanist, zoologist and physician Carl Linnaeus and introduced the Linnaean taxonomy. Answer : (d)
Q.6
First great taxonomist was … .. [ BHU 1999 ]
0%
a) Linnaeus
0%
b) Hooker
0%
c) Aristotle
0%
d) Engler
Explanation
Linnaeus introduced Binomial nomenclature Answer : (a)
Q.7
Which one of the following is a taxonomic aid for identification of plants and animals based on similarities and is dissimilarities … [ kerala 2012]
0%
a) Flora
0%
b) Keys
0%
c) Monographs
0%
d) Catalogues
Explanation
Flora is the plant life occurring in a particular region or time Key is a taxonomical aid that helps in identification of plant and animal species. These keys are based on similarities and dissimilarities in characters, Monograph. A written account or description of a single thing, or class of things; a special treatise on a particular subject of limited range . Catalog is simply a listing of all species organized in some way Answer : (b)
Q.8
Basic unit or smallest taxon of taxonomy/ classification is …… [ AMU 2001 ]
0%
a) Species
0%
b) Kingdom
0%
c) Family
0%
d) Variety
Explanation
Answer : (a)
Q.9
An organism is in the same class but not in the same family. It may belong to same … .. [ Orissa 2008]
0%
a) Genus
0%
b) Species
0%
c) Variety
0%
d) Order
Explanation
Answer : (d)
Q.10
The correct hierarchical order is … [ AMU 2012]
0%
a) Kingdom, genus, class, phylum and division
0%
b) Phylum, kingdom, genus, species and class
0%
c) Kingdom, phylum, class, genus and species
0%
d) Phylum, division, family, genus and class
Explanation
Answer : (c)
Q.11
In Oryza sativa, sativa stands for … .. [ WB 2008]
0%
a) Name of species
0%
b) Specific nomenclature
0%
c) Specific epithet
0%
d) Specific name
Explanation
sativa is written at second position so it is the name of species or epithet Answer : (c)
Q.12
ssertion : To give scientific name to a plant there is ICBN Reason: It uses articles photographs and recommendations to name a plant
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
0%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
0%
c) Assertion is true but, Reason is false
0%
d) Assertion is false but, Reason is true
Explanation
ICBN full form is International Code of Biological Nomenclature Answer : (a)
Q.13
Species are considered as … [ CBSE 2003]
0%
a) Real basic unit of classification
0%
b) Lowest unit of classification
0%
c) Artificial concept of human mind which cannot be defined in absolute terms
0%
d) Real unit of classification devised by taxonomists
Explanation
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens. Answer : (a)
Q.14
Scientific study of diversity of organisms and their evolutionary relationship is called … ..[ JKCMEE 2011]
0%
a) Systematics
0%
b) Anatomy
0%
c) Morphology
0%
d) Taxonomy
Explanation
Systematics is the science of naming and organizing organisms based on common ancestry (= evolutionary relatedness). In a systematic taxonomy, all of the species in a genus are more related (= have a more recent ancestor in common) to one another than to any other species Anatomy is the branch of biology that focuses on the structure of living things Morphology a branch of biology that deals with the form and structure of animals and plants. Taxonomy the study of the general principles of scientific classification of plants and animals according to their presumed natural relationships Answer : (a)
Q.15
Botanical name of plants are treated as in Latin because … [
0%
a) Rules of nomenclature were framed by Italian botanists and they were speaking Latin
0%
b) It is very difficult to pronounce latin names and they convey multiple meanings
0%
c) Latin was the natural language of may European countries
0%
d) Latin was a dead language, its words would convey precise meaning, it was the mother of all European language and all the early botanical literature was in Latin
Explanation
Latin was a dead language, its words would convey precise meaning, it was the mother of all European language and all the early botanical literature was in Latin Answer : (d)
Q.16
A species was defined as a population of interbreeding individuals and reproductively isolated from other populations by … [ MPPMT 1997 ]
0%
a) Charles Barwin
0%
b) J.B. Lamarck
0%
c) Carolus Linnaeus
0%
d) Ernst Mayr
Explanation
Ernst Mayr defined a species as follows: "species are groups of interbreeding natural populations that are reproductively isolated from other such groups." Answer : (d)
Q.17
Largest herbarium in India is at … .. [ Orissa 2009]
0%
a) National Botanical Garden, Lucknow
0%
b) Lloyd Botanical Garden, Darjeeling
0%
c) Forest Research Institute, Dehradun
0%
d) Indian Botanical Garden, Sibpur
Explanation
The largest herbarium in India is Indian Botanical Garden ,Kolkata. It consists of 1000000 number of specimens. Answer : (d)
Q.18
Related genera belong to same … [ AFMC 2009]
0%
a) Variety
0%
b) Family
0%
c) Species
0%
d) None of the above
Explanation
Family, has a group of related genera with still less number of similarities as compared to genus and species Genera is plural of genus , taxonomic category ranking used in biological classification that is below a family and above a species level, and includes group(s) of species that are structurally similar or phylogenetically related Answer : (b)
Q.19
An example of negative feed back loop in humans is … .. [ CBSE 2007 ]
0%
a) Salivation of mouth at the sight of delicious food
0%
b) Constriction of skin blood vessels and contraction of skeletal muscles in cold
0%
c) Secretion of tears on dust particles falling in eyes
0%
d) Secretion of sweat glands and constriction of skin blood vessels when it is too hot.
Explanation
Negative feedback is a reaction that causes a decrease in function. It occurs in response to some kind of stimulus. Often it causes the output of a system to be lessened .option (b) Positive feedback enhances or amplifies an effect by it having an influence on the process which gave rise to it. Option (a), (c) and (d) Answer : (b)
Q.20
Hierarchy of categories of Carolus Linnaeus had categories except … [ kerala 2004]
0%
a) Genus and species
0%
b) Order and class
0%
c) kingdom and class
0%
d) Phylum and family
Explanation
The term phylum was coined by Ernst Haeckel The taxonomic term familia was first used by French botanist Pierre Magnol in his book Prodromushistoriaegeneralisplantarum. Remaining terms are introduced by Carolus Linnaeus Answer : (d)
Q.21
An important function of botanical garden is … … [ CBSE 2005] Explanation is provided, click on
0%
a) Providing beautiful area for recreation
0%
b) On can observe tropical plants over there
0%
c) They allow ex-situ conservation of germ plasm
0%
d) They provide natural habitat to wildlife
Explanation
Germplasm are living genetic resources such as seeds or tissues that are maintained for the purpose of animal and plant breeding, preservation, The Role of Botanic Gardens in Plant Conservation. : Horticulture and cultivation skills allow us to grow plants that might be lost in nature, which means that species diversity can be conserved in the gardens, but also allows us to consider restoration and rehabilitation of degraded habitats. Answer : (c)
Q.22
Branch connected with nomenclature, identification and classification is …. [ AMU 2000]
0%
a) Ecology
0%
b) Taxonomy
0%
c) Morphology
0%
d) Physiology
Explanation
Ecology : The branch of biology that deals with the relations of organisms to one another and to their physical surroundings. Taxonomy the study of the general principles of scientific classification of plants and animals according to their presumed natural relationships. Morphology a branch of biology that deals with the form and structure of animals and plants. Physiology the branch of biology that deals with the normal functions of living organisms and their parts. Answer : (b)
Q.23
A group of related genera with still less number of similarities as compared to genus and species constitutes … .. [ DPMT 2009]
0%
a) Division
0%
b) Family
0%
c) Order
0%
d) Class
Explanation
Answer : (b)
Q.24
Which one is correctly matched … [ AFMC 2007]
0%
a) Tears – Excretion of salts
0%
b) Sweat – Thermoregulation
0%
c) Saliva – Testing food
0%
d) Statolith – Sexual attraction
Explanation
Tears :the clear salty Explanation and answer secreted by the lacrimal glands that lubricates and cleanses the surface of the eyeball and inner surface of the eyelids , thus not a for excretion of salt. Sweat :moisture exuded through the pores of the skin, typically in profuse quantities as a reaction to heat (thermo regulation) , physical exertion, fever, or fear. Saliva :watery liquid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding digestion. (not testing food) Statolith a calcareous particle in the statocysts of invertebrates, which stimulates sensory receptors in response to gravity, so enabling balance and orientation. (no relation with sexualattraction) Answer : (b)
Q.25
Water protects organism from thermal shock due to high … … [ AMU 1991 ]
0%
a) Thermal conductivity
0%
b) Latent heat
0%
c) Dielectric constant
0%
d) All the above
Explanation
Thermal conductivity :A measure of the ability of a material to transfer heat. Latent heat : the heat required to convert state of substance at constant temperature (a solid into a liquid or vapour, or a liquid into a vapour, without change of temperature.) Dielectric constant :a quantity measuring the ability of a substance to store electrical energy in an electric field. Since question is about thermal property correct option is (b) Answer : (b)
Q.26
Cells regulate their activity through Flow of energy. Flow of materials.Flow of information . Flow of smoke Select correct answers and mark the code … [ BHU 2008]
0%
a) 1,2,3 correct
0%
b) 1 and 2 correct
0%
c) 2 and 4 correct
0%
d) 1 and 3 correct
Explanation
Smoke :a visible suspension of carbon or other particles in air, which is not produced in cells thus no need to regulate or do not have any place in activity of cell Except flow of smoke all other are necessary Answer : (a)
Q.27
Individuals of one population can interbreed with individuals of another population if they belong to same … [ AMU 2000]
0%
a) Species
0%
b) Genus
0%
c) Family
0%
d) Order
Explanation
Ernst Mayr defined a species as follows: "species are groups of interbreeding natural populations that are reproductively isolated from other such groups." Answer : (a)
Q.28
Which is matched correctly .. .. [ CBSE 2011]
0%
a) Humans – Primata – the family
0%
b) Housefly – Musca – an order
0%
c) Tiger – tigris – the species
0%
d) Cuttlefish – Mollusca – a class
Explanation
Hominidae is the family of human thus option a is not correct Dipterais the order of house fly thus option b is not correct Cephalopod is the class ofCuttle fish thus option d is not correct Scientific name of Tiger is Pantheratigris, tigris is species Answer : (c)
Q.29
The term "biosystematics” was coined by … .. [ HPPMT 2012]
0%
a) Bentham and Hooker
0%
b) Linnaeus
0%
c) Engler and Prantl
0%
d) Camp and Gilly
Explanation
Camp and Gily in 1943 coined the term 'Biosystematics' Answer : (d)
Q.30
Assertion: There is no difference between the terms taxon and category. Reason: Aves is a taxon that includes the category birds.
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
0%
c) Assertion is true but Reason is false.
0%
d) Both Assertion and Reason are false.
Explanation
Most basically taxon is a group of living organisms and a category tends to indicate rank/status for that particular taxon. Birds, also known as Aves or avian dinosaurs Answer:(d)
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page