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NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
Second largest family of glowering plants
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Leguminoceae
Labiaceae
Cucurbitaceae
Solanaceae
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Question # 2
The transference of pollen grains on the stigmatic surface is brought by a special structure
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Polonium
Gynoestigium
Corpusculum
Translator
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Question # 3
The group of enzymes that bring about non-hydrolytic addition or removal of substrate are
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Hydrolase
Protease
Heptase
Dehydrogenase
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Question # 4
Which statement is not true about the family Euphorbiaceae
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They are found in arctic regions
They are mainly herbs and shrubs
They are a source of timber
Their seed is endospermic
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Question # 5
Following statement is in accordance to Darwinisw
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Natural Selection
Over Production
Survival of fittest
All of these
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Question # 6
Members of family -------- are a source of camphor
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Cucurbitaceae
Labiaceae
Compositeae
Malvaceae
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Question # 7
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 # 8
If two substances move in different directions, through the membrane, the contransport is called;
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Antiplast
Heteroplast
Apoplast
None
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Question # 9
Which one of the following is a biotic component?
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Atmosphere
Water
Fungi
Soil
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Question # 10
Stephen Endlicher classified plants into two major groups
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Thalophytes and pteridophytes
Thalophytes and carmophytes
Bryophytes and pteridophytes
Angiosperms and ghmnosperms
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Question # 11
In fungi asexual reproduction occurs by all these method except which one
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Spores
Conidia
Binary fission
Budding
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Question # 12
Fungi cause certain animal diseases. How Ringworm and athlete's foot are caused by fungi
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Imperfect fungi
Aspergillus fumigatus
Purple ergot
Soil contaminated with bird's feces
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Question # 13
The principle stage of nitrogen cycle include all of the following except
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Ammonification
Nitrification
Assimilation
Nitrogen depletion
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Question # 14
A succulent berry with hard rind is commonly known as
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Drupe
Pome
Pepo
None
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Question # 15
Family curcifereae is characterized by the persence of ------------ corolla
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Cross like
Cushion like
Zigzag
None
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Question # 16
While studying a community er come across three levels of organizations which include all of these except
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Individual
Population
Community
Species
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Question # 17
Aggregates of closely related species
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Infra specific species
Variety
Subspecies
Genus
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Question # 18
The botanical name of date (khajoor) is
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Phoenix slyvestris
Cucusmucifera
Cryotaurens
Raphisruffia
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Question # 19
Latex produced by Cryptostegia grandiflora is a source of
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Fodder
Rubber
Fiber
Stuffing material
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Question # 20
When a single gene effects two or more traits the phenomenon is called
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Epistasis
Bombay phenotype
Gene linkage
Pleiotropic
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Question # 21
In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as
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Consumers
Decomposers
Producers
Parasites
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