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NAT II Biological Science Botany MCQs With Answers
Question # 1
Thin layer of earth in which all living organism exist is known as
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Habitat
Niche
Biosphere
Ecological niche
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Question # 2
Phanerogamy includes
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Bryophytes and pteriodphytes
Thalophytes and carmophytes
Angiosperms and gymnosperms
Thalophytes and pteridophytes
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Question # 3
Plants of asclepiadaceae are mostly
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Herbs
Shrubs
Trees
All the them
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Question # 4
Ray florets have ------------ flowers
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Tubular
Ligulate
Round
None
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Question # 5
Apple is a member of family
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Rasaceae
Ranunculaceae
Labiaceae
Malvaceae
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Question # 6
Fruits of labiateae is
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Pome
Pappus
Drupe
Carcerulus
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Question # 7
All fungi lack chlorophyll and on the basis of their mode of nutrition, they include all these groups except
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Absorptive heterotrphs
Saprotrophs
Decomposers
Autotrophs
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Question # 8
Members of family -------- are a source of camphor
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Cucurbitaceae
Labiaceae
Compositeae
Malvaceae
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Question # 9
The species with the same specific epithet cannot occur in the genus. If this happens, they are called
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Homonym
Synonym
Legitimate
Illegitimate
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Question # 10
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 # 11
Members of malvaceae are
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Tropical
Sub-tropical
Temperate
Cosmopolitan
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Question # 12
Cucumissativusis the botanical name of
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Bitter gourd
Vegetable marrow
Cucumber
Watermelon
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Question # 13
Family labiateae is also called
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Lamiaceae
Labiaceae
Lambitaceae
None
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Question # 14
Many fungi are the sources of drugs, which drug is used to lower the blood cholesterol level
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Griseofulvin
Cyclosporine
Lovastatin
Ergotin
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Question # 15
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 # 16
Bentham and Hooker divided plants in 202 orders
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Seeded
non-seeded
Floral
non-floral
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Question # 17
Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of hyphal tips called as
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Rhizoids
Constricting ring
Haustoria
Hyphae
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Question # 18
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 # 19
Fruit of Ranunculaceae is
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Etaerio of achenes
Capsule
Etaerio of follicles
All of these
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Question # 20
Protanopia is
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Green blindness
Red blindness
Yellow blindness
Blue blindness
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Question # 21
The non-protein part covalently bonded to enzyme is
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APO-enzyme
Coenzymes
Co-factor
None
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