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Online Tests
NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
Members of malvaceae are
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Tropical
Sub-tropical
Temperate
Cosmopolitan
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Question # 2
If an author cited two or more specimens as types, the remaining cited species are
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Lectotype
Syntype
Paratype
Neotype
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Question # 3
Green color blindness is called
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Parotanopia
Denteranopia
Tritanopia
Non of these
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Question # 4
Ray florets have ------------ flowers
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Tubular
Ligulate
Round
None
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Question # 5
A sex limited trait is limited to only one sex due to
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Taxonomic differences
Ecological differences
Physiological
Anatomical difference
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Question # 6
Cryptostegiagrandiflorais a cultivated ----------- growing in gardens.
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Herb
Shrub
Grass
Climber
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Question # 7
He is regarded as the father of modern taxonomy
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Robert Thorne
Armen Takhtajan
Linneous
Arthur Conquist
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Question # 8
An ordered array composed of a series of inclusive levels
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Taxon
Systematics
Hierarchy
Monopoly
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Question # 9
In Zygomycota during sexual reproduction, zygota formed directly by the fusion of hyphae forms temporary, dormant, thick walled resistant structure called as
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Ascospores
Zygospores
Asci
Ascocarps
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Question # 10
The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called
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Epistasis
Crossing over
Gene linkage
Synapsis
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Question # 11
--------------- are the plants that flower only once and then die
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Monocarpic
Dicarpic
Apocarpic
holocarpic
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Question # 12
In Aerobic respiration, the waste product in plants is produced in the form of
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Uric acid
CO
2
Walter
Ammonia
Both b & c
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Question # 13
The botanical name of plum is
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Prunuspersica
Pyruscommunis
Prunusdomestica
Rosa Alba
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Question # 14
Largest family of angiosperm
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Crucifereae
Compositeae
Ranunculaceae
Cucurbitaceae
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Question # 15
Cucumissativusis the botanical name of
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Bitter gourd
Vegetable marrow
Cucumber
Watermelon
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Question # 16
Mycorrhiza is an association between roots of plants growing in acid soil and certain fungi to which relation it belongs
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Symbiosis
Commensalism
Grazing
Grazers
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Question # 17
The water culture technique for growing plants with their roots in a recirculating water solution is
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Hydroponics
Sericulture
Hygoculture
Hydroculture
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Question # 18
In ecosystem an eagle may eat blue birds may eat insects, like caterpillar which feeds on green leaves this is a example of
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Simple food chain
Food web
Succession
Community relay
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Question # 19
Nullo gamete is
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With one sex chromosome
With one sex chromosome present
With no sex chromosome
Without any chromosome
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Question # 20
What are the major decomposers of the biosphere contributing to the recycling of the elements used by living things?
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Saprobic fungi and bacteria
Plants
Animals
Algae
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Question # 21
Locus is
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Segment of chromosome
Position of a gene on the chromosome
Genes present on one chromatid
Collection of genes at specific part of chromosome
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