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WorksheetsXI-BIO BOTANY (21.01.22)
Total questions: 30
Worksheet time: 15mins
The correct statement regarding Blue green algae is
a) lack of motile structures
b) presence of cellulose in cell wall
c) absence of mucilage around the thallus
d) presence of floridean starch
Identify the correctly matched pair
a) Actinomycete - (a) Late blight
b) Mycoplasma - (b) Lumpy jaw
c) Bacteria - (c) Crown gall
d) Fungi - (d) Sandal spike
Endosperm in Gymnosperm is formed
a) At the time of fertilization.
b) Before fertilization.
c) After fertilization.
d) Along with the development of embryo
Basidiomycetes do not possess this feature
a) Clamp connection
b) Club Fungi
c) Dolipore septum
d) Lack sexual reproduction
Assertion: All living species of Cycas are dioecious. Reason: Cycas contains male and female cones on the separate plant.
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false.
Assertion: Angiosperm and Gymnosperms both form spermatophyta. Reason: Angiosperm and Gymnosperms both form triploid endosperm.
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false
Assertion: Gymnosperms seeds are naked. Reason: They lack ovary wall.
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false
Assertion: Pinus is monoecious. Reason: Each sporophyll bears only one microsporangia
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false.
Arrangement of leaves on stem is called
a) Venation
b) Vemation
c) Phylloptaxy
d) Axis
A phyllode is a modified
a) branch
b) stem
c) root
d) leaf
Fibrous root in ficus benghalensis develop from
a) stem
b) node
c) internode
d) none of the above
Find the incorrect match.
a) Stilt root - Turnip
b) Tap root - Carrot
c) Adventitious - Sweet potato
d) Prop root - Banyan tree
Form which point of root, root hairs develop?
a) Region of maturation
b) Region of elongation
c) Meristematic region
d) Region of root cap
Match the following :
(i) Conical root - (a) Mechanical support
(ii) Tuberous root - (b) Orchids
(iii) Climbing root - (c) Food storage
(iv) Epiphytic root - (d) Daucus
a) (i) - (d) , (ii) - (b) , (iii) - (a) , (iv) - (c)
b) (i) - (d) , (ii) - (c) , (iii) - (a) , (iv) - (b)
c) (i) - (b) , (ii)-(a), (iii)-(d), (iv)-(c)
d) (i) - (b) , (ii) - (c) , (iii) - (a) , (iv) - (d)
Match the following :
(i) Pothos - (a) Stem climber
(ii) Ipomoea - (b) Thorn climber
(iii) Bignonia - (c) Root climber
(iv) Carissa - (d) Hook climber
a) (i) - (d) , (ii) - (b) , (iii) - (a) , (iv) - (c)
b) (i) - (d) , (ii) - (c) , (iii) - (a) , (iv) - (b)
c) (i) - (b) , (ii) - (a) , (iii) - (d) , (iv) - (c)
d) (i) - (c) , (ii) - (a) , (iii) - (d) , (iv) - (b)
Opposite decussate phyllotaxy is found in ______ .
a) Calotropis
b) Mango
c) Hibiscus
d) Nerium
Assertion: In gymnosperms, plants lack welldeveloped vessels and fibres. Reason: Companion cells are absent in gymnosperm.
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false.
Assertion: Pyrenoids are utilised during starvation. Reason: Pyrenoids are proteinaceous bodies.
a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
c) If Assertion is true but Reason is false.
d) If both Assertion and Reason are false.
Assertion: Red algae contribute in producing coral reefs. Reason: Some red algae secrete and deposit calcium carbonate over their walls.
a) Both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion
b) Both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion
c) Assertion is true but the Reason is false.
d) Assertion is false but the Reason is true.
A plant growth promoter got from fungi is ______.
a) Rennet
b) Gibberellin
c) Ergot
d) Griseofulvin
Roots are
a) Descending, negatively geotropic, positively phototropic
b) Descending, positively geotropic, negatively phototropic
c) Ascending, positively geotropic, negatively phototropic
d) Ascending, negatively geotropic, positively phototropic
Example for negatively geotropic roots
a) Ipomoea, Dahlia
b) Asparagus, Ruellia
c) Vitis, Portulaca
d) Avicennia, Rhizophora
Which of following represent gametophytic generation in pteridophytes?
a) Prothallus
b) Thallus
c) Cone
d) Rhizophore
The haploid number of chromosome for an Angiosperm is 14 , the number of chromosome in its endosperm would be
a) 7
b) 14
c) 42
d) 28
Identify the Archaebacterium
a) Acetobacter
b) Erwinia
c) Treponema
d) Methanobacterium
Identify the incorrect statement about the Gram positive bacteria
a) Techoic acid absent
b) High percentage of peptidoglycan is found in cell wall
c) Cell wall is single layered
d) Lipopolysaccharide is present in cell wall
An example of chemoautotrophic bacteria is ___ .
a) Chlorobium
b) Rhizobium
c) Nitrosomonas
d) Escherichia
Actinomycetes are also called ______
a) Ray Fungi
b) Liverworts
c) Hyphae
d) Pileus
Disease causing organisms are called as ______ .
a) organisms
b) pathogens
c) recipients
d) decomposers
Father of the Indian mycology is :
a) P.A.Michali
b) C.H.Blackley
c) Sir Edwin John Butler
d) A.F. Blakeshec
