Living world mcqs

1. Biology(NEET 2023)
Topic :- Living World 45 – MCQ’s
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2. 1. Cell division occurs _______ in plants and _______
in animals.
(a)continuously, only upto a certain age
(b) only upto a certain age, continuously
(c) continuously, never
(d) once, twice

3. 2. In multicellular organisms, _____ refers to the
production of progeny possessing features more or
less similar to those of parents.
(a)growth
(b) Reproduction
(c) metabolism
(d) consciousness

4. 3. The fungi, the filamentous algae, the protonema
of mosses,all easily multiply by _____.
(a)budding
(b) Fission
(c) regeneration
(d) fragmentation

5. 4. The sum total of all the chemical reactions
occurring in our body is known as
(a)metabolism
(b) Growth
(c) regeneration
(d) reproduction

6. 5. Which of the following term is used to refer the
number of varieties of plants and animals on earth ?
(a)Taxonomy
(b) Identification
(c) Biodiversity
(d) Classification

7. 6. ICBN stands for
(a)International Code of Botanical Nomenclature
(b) International Congress of Biological Names
(c) Indian Code of Botanical Nomenclature
(d) Indian Congress of Biological Names

8. 7. Binomial nomenclature means
(a)one name given by two scientists.
(b) one scientific name consisting of a generic and
specific epithet.
(c) two names, one latinized, other of a person.
(d) two names of same plant.

9. 8. Systematics refers to the
(a) identification and classification of plants and
animals.
(b) nomenclature and identification of plants and
animals.
(c) diversity of kinds of organisms and their
relationship.
(d) different kinds of organisms and their
classification.

10. 9. Each category of taxonomic hierarchy refers to as
a unit of ______.
(a)systematic
(b) Identification
(c) nomenclature
(d) classification

11. 10. Which of the following is not a characteristic of
life?
(a)Reproduction
(b) Complex chemical organization
(c) Adaptation to environmental changes
(d) Differentiation from cells to tissues

12. 11. The order generally ends with
(a)ales
(b) Aceae
(c) eae
(d) none of these

13. 12. Herbarium is a
(a)Garden where medicinal plants are grown.
(b) garden where herbaceous plants are grown.
(c) dry garden.
(d) chemical to kill plants.

14. 13. In printed scientific names, only the ______ is
capitalized.
(a)class
(b) Species
(c) genus
(d) family

15. 14. Which of the following taxonomic aid provides
information for the identification of names of
species found in an area?
(a)Monograph
(b) Manual
(c) Flora
(d) Periodical

16. 15. The famous botanical garden ‘Kew’ is located in
(a)England
(b) Lucknow
(c) Berlin
(d) Australia

17. 16. Taxon is a
(a)unit of classification.
(b) species.
(c) highest rank of classification.
(d) group of closely related organisms.

18. 17. Each statement in the key is called _______.
(a)lead
(b) Catalogues
(c) manuals
(d) monographs

19. 18. Which one of the following taxonomical aid is
used for identification of plants and animals based
on similarities and dissimilarities?
(a)Flora
(b) Keys
(c) Monographs
(d) Catalogues

20. 19. 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.

21. 20. Match the common name given in column I with their
taxonomic category family given in column II and choose
the correct combination from the options given below.
Column-I Column-II
(Common Name) (Taxonomic category–Family)
A. Man I. Poaceae
B. Datura II. Anacardiaceae
C. Mango III. Solanaceae
D. Wheat IV. Hominidae
(a) A – IV; B – III; C – II; D – I
(b) A – IV; B – III; C – I; D – II
(c) A – I; B – II; C – III; D – IV
(d) A – I; B – III; C – II; D – IV

22. 21. 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.

23. 22. Match column-I with column-II and choose the correct
combination from the options given below.
Column-I Column-II
A. National Botanical I. Carolus Linneaus
B. Research Institute
B. Indian Botanical II. Taxon
Garden
C. Binomial III.Howrah (India)
Nomenclature
D. A unit of IV. Lucknow
classification
(a) A – III; B – IV; C – I; D – II
(b) A – IV; B – III; C – I; D – II
(c) A – IV; B – III; C – II; D – I
(d) A – IV; B – I; C – III; D – II

24. 23. Which one of the following animals is correctly
matched with its particular named taxonomic
category ?
(a)Tiger – Tigris, the species
(b) Cuttle fish – Mollusca, a class
(c) Humans – Primata, the family
(d) Housefly – Musca, an order

25. 24. Which of the following statements are correct
about herbarium?
(a) It is a store house of collected plant specimens
that are dried and preserved on sheets.
(b) Herbarium sheets contain information about date
and place of collection, names, family, collector’s
name, etc.
(c) It serves as quick referral systems in
taxonomical studies.
(d) All of the above

26. 25. Identify the correct sequence of taxonomic
categories.
(a) Species → Genus → Order → Class → Family →
Phylum/Division → Kingdom
(b) Species → Genus → Family → Class → Phylum/
Division → Order → Kingdom
(c) Species → Genus → Family → Order → Class →
Phylum/Division → Kingdom
(d) Species → Genus → Family → Order → Class →
Phylum/Division → Kingdom

27. 26. Which of the following statement(s) is/are
correct for Metabolism ?
(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

28. 27. Match column-I (Biological name) with column-II (Class)
and choose the correct option.
Column-I Column-II
(Biological name) (Class)
A. Homo sapiens I. Dicotyledonae
B. Musca domestica II. Mammalia
C. Mangifera indica III. Monocotyledonae
D. Triticum aestivum IV. Insects
(a) A – IV; B – II; C – I; D – III
(b) A – II; B – IV; C – III; D – I
(c) A – II; B – IV; C – I; D – III
(d) A – II; B – I; C – IV; D – III

29. 28. The keys are based on contrasting characters
generally in a pair called _______.
(a)flora
(b) Couplet
(c) both (a) and (b)
(d) manuals

30. 29. ‘Taxa’ differs from ‘taxon’ due to being
(a)a higher taxonomic category than taxon.
(b) lower taxonomic category than taxon.
(c) the plural of taxon.
(d) the singular of taxon.

31. 30. Consider following diagram and fill the following
blank spaces/boxes.
(a)A-Strain, B-Order, C-Sub kingdom
(b) A-species, B-order, C-kingdom
(c) A-subspecies, B-Tribe, C-Domain
(d) A-species, B-Cohort, C-Subdivision

32. 31. Match column I with column II and choose the correct
option.
Column-I Column-II
A. Family I.tuberosum
B. Kingdom II. Polymoniales
C. Order III. Solanum
D. Species IV. Plantae
E. Genus V. Solanaceae
(a) A – IV; B – III; C – V; D – II; E – I
(b) A – V; B – IV; C – II; D – I; E – III
(c) A – IV; B – V; C – II; D – I; E – III
(d) A – V; B – III; C – II; D – I; E – IV

33. 32. One of the most important functions of botanical
gardens is that
(a)they provide a beautiful area for recreation.
(b) one can observe tropical plants there.
(c) they allow ex-situ conservation of germ plasm.
(d) they provide the natural habitat for wildlife.

34. 33. In angiosperm, characters of flowers are used in
classification because
(a)flowers are attractive.
(b) flowers are large.
(c) character of flowers are conserved.
(d) none of the above.

35. 34. Genus represents
(a)an individual plant or animal.
(b) a collection of plants or animals.
(c) group of closely related species of plants or
animals.
(d) none of the above.

36. 35. Which of the following organisms is not correctly
matched with its particular ?
(a)Human beings – Sapiens, species
(b) Lion – Panthera, genus
(c) Cats – Felidae, genus
(d) Datura – Solanaceae, family

37. 36. Taxonomic hierarchy refers to
(a) step-wise arrangement of all categories for
classification of plants and animals.
(b) a group of senior taxonomists who decide the
nomenclature of plants and animals.
(c) a list of botanists or zoologists who have worked
on taxonomy of a species or group.
(d) classification of a species based on fossil record.

38. 37. "X" being a higher category is the assemblage of
families which exhibit a few "Y" characters. The "Z"
characters are less in a number as compared to
different genera included in a family. Identify "X",
"Y", and "Z".
(a) X - Order; Y - Similar; Z - Similar
(b) X - Genus; Y - Similar; Z - Different
(c) X - Species; Y - Different; Z - Similar
(d) X - Class; Y - Different; Z - Different

39. 38. Couplet represents the choice made between two
opposite options which results in
(a)rejection of both the option.
(b) acceptance of both the option.
(c) either acceptance or rejection of both the option.
(d) acceptance of only one and rejection of the other.

40. 39. Which of the following shows the correct
example of taxonomic category - Genus?
(a) Potato, tomato and brinjal belong to Solanum.
(b) Monkey, gorilla and gibbon are placed in
Mammalia.
(c) Solanum, Petunia, and Datura are placed in
Solanacea.
(d) Mangifera indica, Solanum tuberosum, and
Panthera leo.

41. 40. Two animals which are the members of the same
order must also be the members of the same
__________.
(a)class
(b) Family
(c) genus
(d) species

42. 41. As we go from species to kingdom in a
taxonomic hierarchy, the number of common
characteristics
(a)will decrease.
(b) will increase.
(c) remain same.
(d) may increase or decrease.

43. 42. The common characteristics between tomato
and potato will be maximum at the level of
their__________.
(a)genus
(b) Family
(c) order
(d) division

44. 43. Two plants can be conclusively said to belong to
the same species if they
(a)have same number of chromosomes.
(b) can reproduce freely with each other and form
seeds.
(c) have more than 90 per cent similar genes.
(d) look similar and possess identical secondary
metabolites.

45. 44. Which of the following taxonomic category of
housefly is incorrectly matched?
(a)Genus – Musca
(b) Family – Muscidae
(c) Order – Primata
(d) Class – Insecta

46. 45. Which two points are known as the twin
characteristics of growth?
(i) Increase in mass
(ii) Differentiation
(iii) Increase in number of individuals
(iv) Response to stimuli
(a) (i) and (ii)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (i) and (iii)

47. 1. a 11. a 21. b 31. b 41. a
2. b 12. c 22. b 32. c 42. b
3. d 13. c 23. a 33. c 43. b
4. a 14. b 24. d 34. c 44. c
5. c 15. a 25. d 35. c 45. d
6. a 16. d 26. b 36. a
7. b 17. a 27. c 37. a
8. c 18. b 28. b 38. d
9. d 19. c 29. c 39. a
10. d 20. a 30. b 40. a
Answer Key

48. Thank you!!!