THE LIVING WORLD | Class 11 Biology chapter 1 MCQ in Quiz format | #bio_mcq 1 | NEET 2024 | BOARDS

 Class 11 Biology MCQ Chapter 1

THE LIVING WORLD

[1] Growth and reproduction are synonymous in

(A) Tiger

(B) Amoeba

(C) Mango

(D) Mushroom

Ans (B) Amoeba

[2] Consciousness is the defining property of living organisms because

(A) Plants respond to external factors like temperature and light

(B) Photoperiod affects reproduction in seasonal breeders in both plants and animals

(C) Human is aware of himself

(D) All of the above

Ans (D) All of the above

[3] Growth and reproduction are linked in

(A) Unicellular organisms

(B) Multicellular organisms

(C) Both

(D) None

Ans (A) Unicellular organisms

[4] Which of the following is not a defining feature of living organisms? 

(A) Reproduction

(B) Metabolism

(C) Growth

(D) More than one

Ans (D) More than one

[5] Isolated metabolic reaction is

(A) in vitro reaction 

(B) in vivo reaction

(C) Living reaction 

(D) Both (A) & (C)

Ans (D) Both (A) & (C)

[6] Sum total of all chemical reactions taking place in a

cell or body is called 

(A) Anabolism

(B) Catabolism

(C) Homeostasis

(D) Metabolism

Ans (D) Metabolism

[7] Which of the following can be considered as a defining feature of living organisms? 

(A) Internal growth

(B) Cellularity

(C) Consciousness

(D) All of the above

Ans (D) All of the above

[8] Among the following, which is a common phenomenon exhibited by living and non-living organisms to show the feature of growth?

(A) Increase in mass

(B) Cell division

(C) Increase in replication rate

(D) Cell differentiation

Ans (A) Increase in mass

[9] Which of the following shows true regeneration?

(A) Yeast

(B) Protonema of mosses

(C) Planaria

(D) Amoeba

Ans (C) Planaria

[10] which of the following do not reproduce

(A) Mule

(B) worker be

(C) infertile human couple

(D) all of the above

Ans - (D) all of the above

[11] ICBN stands for 

(A) International code for Botanical Nomenclature

(B) International code for Binomial Nomenclature

(C) International code for Botanical Naming

(D) International code for Binomial Naming

Ans (A) International code for Botanical Nomenclature

[12] The science of giving names to living organisms is called 

(A) Nomenclature

(B) Characterization

(C) Classification

(D) Identification

Ans (A) Nomenclature

[13] In binomial nomenclature, the name of an organism consists of

(A) A scientific and a common name

(B) One name is Latin, other is common

(C) Name of genus and species

(D) A name given by two scientists

Ans (C) Name of genus and species

[14] Biological names, when hand written, should necessary be: 

(A) Underlined

(B) In capital letter

(C) Bold (antics)

(D) Italics

Ans (A) Underlined

[15] The branch connected with nomenclature, identification and classification is

(A) Physiology

(B) Ecology

(C) Morphology

(D) Taxonomy

Ans (D) Taxonomy

[16] Which of the following are the basic processes of taxonomy? 

(A) Characterisation and classification

(B) Identification and nomenclature

(C) Both (a) and (b)

(D) None of the above

Ans (C) Both (a) and (b)

[17] Given below is the botanical name of mango. Mark the option is which the name is correctly written 

(A) Magnifera Indica

(B) Mangifera indica

(C) Mangifera Indica

(D) Mangifera indica

Ans (D) Mangifera indica

[18] In a scientific name, the name of the author is printed in  

(A) Capital letters

(B) Italics

(C) Bold (antics) 

(D) Abbreviated form

Ans (D) Abbreviated form

[19] Which of the following taxa has least number of similar characters?  

(A) Order

(B) Class

(C) Family

(D) Division

Ans (D) Division

[20] Which of the following taxa are not used by botanists?  

(A) Phylum and Family

(B) Suborder and variety

(C) Phylum and sub-species

(D) Kingdom and order

Ans (B) Suborder and variety

[21] The taxomomic unit ‘Phylum’ in the classification of animals is equivalent to which hierarchical level in classification of plants 

(A) Class

(B) Division

(C) Order

(D) Family

Ans (B) Division

[22] The families, Convolvulaceae and Solanaceae are included in the order polymoniales mainly on the basis of 

(A) Morphological characters

(B) Vegetative characters

(C) Floral characters

(D) Both (a) and (b)

Ans (C) Floral characters

[23] Family and order of Triticum aestivum (wheat) are

(A) Poaceae, Poales

(B) Poales, Monocotyledonae

(C) Poaceae, Monocotyledonae

(D) None is correct

Ans (A) Poaceae, Poales

[24] Which one of the following belongs to the family Muscidae? (2021)  

(A) Grasshopper

(B) Fire fly

(C) Cockroach

(D) Housefly

Ans (D) Housefly

[25] Two individuals belongs to the same species if they 

(A) Are reproductively isolated

(B) Are morphologically similar

(C) Are interbreeding and produces infertile offspring

(D) Are interbreeding and produce fertile offspring

Ans (D) Are interbreeding and produce fertile offspring

[26] In taxonomic hierarchy, family is interpolated between

(A) Kingdom and class

(B) order and genus

(C) class and order

(D) class and genus

Ans (B) order and genus

[27] As we go from species to Kingdom in a taxonomic hierarchy, the number of common characteristics

(A) will increase

(B) may increase or decrease

(C) will decrease

(D) remain same

Ans - (C) will decrease

[28] Which two of the below given points are known as

the twin characteristics of growth?

(A) Increase in mass

(B) Increase in number of individuals

(C) Cellular organization

(D) More than one correct

Ans (D) More than one correct

[29] What kind of growth is exhibited by non-living organisms?

(A) Accumulation of material inside

(B) Accumulation of material on surface

(C) Growth from inside

(D) All of the above

Ans (B) Accumulation of material on surface

[30] larger animals like birds and mammals are usually stuffed and preserved in

(A) museum

(B) Zoological Park

(C) botanical garden

(D) harberium

Ans - (A) museum

[31] Largest botanical garden in the world is

(A) Conservatory and botanical garden Geneva

(B) Royal Botanic Gardens, Kew (London)

(C) British Museum of Natural History

(D) New York Botanical Garden

Ans (B) Royal Botanic Gardens, Kew (London)

[32] Which of the following is an advantage of establishing botanical gardens? 

(A) These are ex-situ conservation strategy

(B) These have collections of living plants for reference

(C) These contain labelled plants indicating its botanical/scientific name and family

(D) All of these

Ans (D) All of these

[33] Insects are preserved in museums

(A) By stuffing them

(B) By collecting, killing and pinning

(C) As dry specimens

(D) Both (B) & (C)

Ans (D) Both (B) & (C)

[34] Select the incorrect match.

(A) Indian Botanical Garden - Howrah

(B) Royal Botanical Garden – Kew

(C) National Botanical Research Institute - Dehradun

(D) None of these

Ans (C) National Botanical Research Institute - Dehradun

[35] Described biodiversity range?

(A) 1.7 - 1.8 million

(B) 1.1 - 1.8 billion

(C) 1.7 – 1.8 trillion

(D) 17-18 billion

Ans - (A) 1.7 - 1.8 million

[36] Each statement in key is called

(A) Couplet

(B) principal

(C) lead

(D) more than one correct

Ans - (C) lead

[37] A book containing information about the habitat, climate, description and index of plants found in a specific area is 

(A) Monograph

(B) Key

(C) Flora

(D) Manual

Ans (C) Flora

[38] The contrasting characteristics generally in a pair used for identification of animals in a taxonomic key are referred to as

(A) Lead

(B) Altemate

(C) Couplet

(D) Doublet

Ans (C) Couplet

[39] List containing names of all the species found in particular area is referred to as 

(A) Monograph

(B) Catalogue

(C) Couplet

(D) Herbarium

Ans (B) Catalogue

[40] The taxonomical aid used for identification of plants and animals by applying diagnostic features is 

(A) Museum

(B) Monograph

(C) Herbarium

(D) Key

Ans (D) Key

🌟 The quick referral system in taxonomic studies is

(A) botanical garden

(B) Zoological Park

(C) harbarium

(D) taxonomical keys

Ans - (C) harbarium

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