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Online Tests
NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
As a result of the union of anther and pistil this structure is formed
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Polonium
Gynoestigium
Corpusculum
Translator
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Question # 2
--------------- are the plants that flower only once and then die
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Monocarpic
Dicarpic
Apocarpic
holocarpic
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Question # 3
Plants of family asclepiadaceae are used to treat
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Gastric disorders
Skin disorders
Maternal disorders
None of these
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Question # 4
Fruit of Ranunculaceae is
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Etaerio of achenes
Capsule
Etaerio of follicles
All of these
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Question # 5
Fruit of labiateae consists of four ------------- nutlets.
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One seeded
Two seeded
Three seeded
Four seeded
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Question # 6
The collection of stomatal pores guard cells and subsidiary cells is called;
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Stomatal Apparatus
Guard cells complex
None
Both a & b
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Question # 7
The criteria of the classification are the ------------ on which the classification is based.
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Groups
Divisions
Characters
Orders
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Question # 8
Which true about pattern baldness except
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It is x-linked disease
It is sex influenced trait
It is autosomal recessive trait in females
It is autosomal dominant trait in male
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Question # 9
--------- lives for more than two growing seasons
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Binnials
Annuals
Perenials
Bicarpic
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Question # 10
Cytochrome 'c' found is all aerobic species is a respiratory
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Carbohydrate
Protein
Co-enzyme
Vitamin
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Question # 11
Botanists were agreed that scientific names should be in
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English
Latin
Greek
Spanish
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Question # 12
Cryptostegiagrandiflorais a cultivated ----------- growing in gardens.
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Herb
Shrub
Grass
Climber
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Question # 13
Disease in living organisms, which are caused by parasites called as
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Predation
Symbiosis
Infestations
Mutualism
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Question # 14
Family labiateae is also called
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Lamiaceae
Labiaceae
Lambitaceae
None
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Question # 15
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 # 16
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 # 17
A women red green color blind marries a red green color blind man, what is the probability of the first born child red green color blind?
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100%
50%
75%
25%
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Question # 18
Natural system of classification is based on characters
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Reproductive and anatomical
Morphological and anatomical
Morphological and reproductive
Vegetative and reproductive
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Question # 19
Fungi are used in food industry, which fungi is used in bakery for flavor, aroma, color to some cheese
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Yeast
Penicillium
Aspergillus
Neurospora
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Question # 20
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 # 21
Latex produced by Cryptostegia grandiflora is a source of
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Fodder
Rubber
Fiber
Stuffing material
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Question # 22
Which one of these is a predatory fungus?
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Pleurotus ostreatus
Mildews
Armillaria
Yeast
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Question # 23
Disc florets have ------------ flowers
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Tubular
Ligulate
Round
None
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Question # 24
The present international code of botanical nomenclature consists of ---------- rules.
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Phylogenetic system
Nomenclature type
Specific name
Common names
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