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NCERT Class 11 MCQ Quiz Hub
MCQ Questions for Class 11 Biology sets 1
Choose a topic to test your knowledge and improve your NCERT Class 11 skills
1. Identify the incorrect match.
Physiology – Study of functions and processes of life
Pedology – Soil science
Limnology – Study of fresh water
Kinesiology – Fossil study
2. The Phylogenetic system of classification was put forth by
Theophrastus
George Bentham and Joseph Dalton Hooker
Carolus Linnaeus
Adolf Engler and Karl Prantl
3. Two taxonomic species are distinguished from each other by
their failure to interbreed
their ability to exchange gene freely
their similarity in morphological characters
discontinuity in a set of correlated characters
4. Musca domestica is common name of
Housefly
Mosquito
Snail
Ant
5. Keystone species are
important for ecosystem
important for plants
endangered species
extinct species
6. The study of fish culture is called
ophiology
herpetology
ichthyology
pisciculture
7. National Botanical Research Institute is located in
Shimla
Dehradun
Howrah
Lucknow
8. Biosystematics aims at
Identification and arrangement of organisms on the basis of cytological characteristics
The classification of organisms based on broad morphological characters
Delimiting various taxa of organism and establishing their relationships
The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies
9. In angiosperm, characters of flowers are used in classification because
Flowers are attractive
Flowers are large
Characters of flowers are conservative
None of the above
10. Scientific name of plants are given by
International code for Botanical nomenclature
International code for biological plants
Indian code for Botanical nomenclature
International code for zoological nomenclature
11. A system which gets a continuous flow of energy is called
micropropagated system
closed system
open system
steady state
12. Solanum, Panthera, Homo are examples of
Family
Division
Genera
Species epithet
13. Binomial Nomenclature was given by
Ernst Mayr
Alexander Agassiz
Carolus Linnaeus
Alexander Agassiz and Carlous Linnaeus
14. Systematics deals with
Nomenclature of new organisms
Evolutionary relationship between organisms
Identification of newly discovered organisms
All of these
15. Which of the following shows maximum diversity?
Plantas
Animalia
Monerans
Protistans
16. Which of the following does not come under taxon?
Species
Kingdom
Division
Key
17. The ozone layer is found in the
hydrosphere
stratosphere
lithosphere
troposphere
18. Taxonomic studies depends on
Ecological information of organisms.
Structure of cell and development process of organisms.
External and internal structure of organisms.
All of the above
19. Wheat belongs to division ______.
Angiospermae
Gymnospermae
Poacae
None of the above
20. The two kingdom Classification was given by
c.linnaeus
john ray
huxley
whittaker
21. Choose the correct pair.
Parasitic fungi – feeds on plants and animals
Saprotrophic fungi – feeds on dead and decaying organic matter
Symbiotic fungi – mycorrhiza
All of the above are true
22. Which of the following is used in biochemical and genetic work?
Claviceps
Aspergillus
Neurospora
Mucor
23. If a scientist has to names a similar species he should study the
Holotype
syntype
mesotype
isotype
24. Which of the following is not a viral disease?
AIDS
Herpes
Tuberculosis
Smallpox
25. Choose the correct match
Photosynthetic autotrophs – Nutrient recycling
Chemosynthetic autotrophs – Nitrogen fixation
Heterotrophic bacteria – Production of antibiotics
Mycoplasma – Production of curd
26. The scientist who created the group protista for both unicellular plants and animals is
haecke
pasteur
lister
koch
27. Binomial nomenclature was given by
huxley
ray
darwin
linnaeus
28. Which of the following is an indicator of air pollution?
Mycorrhiza
Agaricus
Lichens
Common mushrooms
29. The natural system of Classification is based on
morphology
evolutionary trend
anatomy
All of the above
30. Potato spindle tuber disease is caused by
Phycobionts
Virus
Bacteria
Viroids
31. Quinine is obtained from
Puccinia
Neurospora
Gonyaulax
Cinchona
32. According to five-kingdom classification, which of the following does not contain nuclear membrane?
Protista
Monera
Fungi
Animalia
33. Two organisms of the same class but different families will be kept under the same
genera
species
order
family
34. Bacteria that live in hot springs are called
Halophiles
Thermoacidophiles
Methanogens
None of the above
35. Which amongst kingdom animalia has become recently extinct?
snow leopard
indian macaque
cheetah
tiger
36. Red tides in sea appear due to
Euglena
Chrysophytes
Dinoflagellates
Diatoms
37. The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi.
Phycomycetes
Ascomycetes
Basidiomycetes
Deuteromycetes
38. Match the columns: 1. Basidiomycetes – A. Agaricus 2. Ascomycetes – B. Albugo 3. Phycomycetes – C. Trichoderma 4. Deuteromycetes – D. Saccharomyces
1-D, 2-A, 3-B, 4-C
1-A, 2-D, 3-B, 4-C
1-A, 2-B, 3-D, 4-C
1-C, 2-D, 3-A, 4-B
39. Trypanosoma causes
Dysentry
Mumps
Sleeping sickness
Cholera
40. Rhodophyceae is called red algae because of the pigment
Fucoxanthin
Phycoerythrin
Carotenoids
Chlorophyll c
41. Which of the followings plant material is an efficient water imbibant?
Agar (b) (c) (d)
Cellulose
Lignin
Pectin
42. The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
Pteridophytes
Angiosperms
Gymnosperms
None of these
43. Which of the following is a liverwort?
Sphagnum
Funaria
Marchantia
Polytrichum
44. Transgenic plants are the ones
Grown in artificial medium after hybridization in the field
Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
Produced by a somatic embryo in artificial medium
Produced after protoplast fusion in artificial medium
45. Which of the following plants is used extensively for the study of photosynthesis?
Amaranthus
Asparagus
Chlorella
Sunflower
46. Which of the following is used to grow microbes?
Laminaria
Gelidium
Chlorella
Sargassum
47. Isogamous condition with non-flagellated gametes is found in
Chlamydomonas
Spirogyra
Volvox
Fucus
48. Gymnosperms produce neither flower nor fruit because they do not possess
Embryo
Ovary
Ovule
Seed
49. In moss stomata appears on
Capsule
Leaves
Stem
All of these
50. In moss stomata appears on
Capsule
Leaves
Stem
All of these
51. The gametophyte is not an independent, free-living generation in
Pinus
Polytrichum
Adiantum
Marchantia
52. In gymnosperms, the development of pollen grains occurs in
Strobili
Microsporangia
Megasporangia
Macrosporangia
53. Ribbon shaped chloroplasts occur in
Ulothrix
Spirogyra
Chlamydomonas
Riccia
54. Antheridia and Archegonia are sex organs of
Moss
Mucor
Spirogyra
Puccinia
55. Iodine is found in
Spirogyra
Laminaria
Polysiphonia
Chlorella
56. Bryophytes are called amphibians of plant kingdom because
These plants live in soil and depend on marine organisms for asexual reproduction.
These plants live in soil and depend on water for sexual reproduction.
These plants live in water and depend on land animals for sexual reproduction.
These plants live near water bodies.
57. Which one of the following is a vascular cryptogram?
Cedrus
Equisetum
Ginkgo
Marchantia
58. Pinus differs from mango in having
Tree habit
Green leaves
Ovules not enclosed in ovary
Wood
59. In tamarind, the pinnate leaf is
bipinnate
tripinnate
paripinnate
imparipinnate
60. Artabotrys is a hook climber in which the hooks are modified
inflorescence axis
petiole
roots
stipules
61. Exceptional roots of Cuscuta are
haustorial
coralloid
mucorhizal
All of the above
62. The petiole is swollen and spongy in
Nepenthes
Trapa
Clematis
All of the above
63. Which one of the following plants dose not have root – pockets
Pistia
Lemna
Ficus
Eichhornia
64. The largest petal overlaps the lateral ones in _________ aestivation.
Papilionaceous
Valvate
Twisted
Imbricate
65. In Lathyrus, the leaves are modified into
thorns
cladodes
tendrils
spines
66. Label the parts of a monocot seed.
A.Endosperm, B. Scutellum, C. Radicle, D. Coleoptile, E. Plumule
A.Endosperm, B. Coleoptile, C. Scutellum, D. Radicle, E. Plumule
A.Endosperm, B. Scutellum, C. Coleoptile, D. Radicle, E. Plumule
A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle
67. Potato tuber is an underground stem because
it lacks chlorophyll
it is swollen
it possesses axillary buds
it stores starch as reserve food material
68. Floating roots are characteristic of
Tinospora
Jussiaea
Viscum
Vanda
69. Thors and spines are
homologous organs
analogous organs
thron is homologous while spine is analogous
spine is homologous while is analogous
70. In which of the following plants stems do not store the food material
potato
ginger
onion
colocasia
71. In banana, the stem is
underground only
both underground and aerial
absent
aerial only
72. Srem modified to perform the function of a leaf and having many internodes is called as
phylloclade
cladode
offset
phyllode
73. Certain plants called as runners can be easily propagated. This is due to the fact
they are numerous in numbers
they store the ready food
they lie horizontally on the soil
they can produce adventitious roots quite readily at the nodes
74. The coloured part of a Bougainuillea flower is the
corolla
calyx
bracts
androecium
75. The axillary buds arise
endogenously from the pericycle
exogenously from the tissues of the shoot apex
endogenously from the cambium tissues
exogenously from the innermost layers of cortex
76. The arrangement of sepals or petals in floral bud is called
Placentation
Aestivation
Bracteate
Phyllotaxy
77. The term phyllotaxy is used to describe the
type of ovary in a plant
mode of arrangement of leaves
type of roots
arrangement of sepals and petals
78. Quiescent centre is present in the
apical meristem
shoot meristem
lateral meristem
root meristem
79. Closed vascular bundles lacks
pith
xylem
cambium
xylem vessels
80. Which of the following is not a feature of spring wood?
Color of the wood is light.
Density is less
Cambium is active
Lesser number of xylary elements
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