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Online Tests
NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
Which of the following describes the process of natural selection?
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Change from simple to more complex organisms
Differential reproductive success between genotypes
Increase in size of population
Occurrence of new mutations
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Question # 2
Family ------------ incluldes 100 genera and 850 species
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Compositeae
Crucifereae
Labiateae
Cucurbitaceae
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Question # 3
--------- is produced when phosphoenolpyruvic acid combines with CO
2
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Oxalic acid
Citric Acid
Abcissic acid
Oxalomalic acid
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Question # 4
Members of family -------- are a source of camphor
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Cucurbitaceae
Labiaceae
Compositeae
Malvaceae
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Question # 5
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 # 6
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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Question # 7
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 # 8
Raphanussativusis the botanical name of
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Radish
Cabbage
Wall fruit
Wall cress
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Question # 9
Ray florets have ------------ flowers
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Tubular
Ligulate
Round
None
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Question # 10
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 # 11
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 # 12
Those individuals whose inherited characteristic fit them best to their environment are likely to leave more offspring, it is referred as
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Artificial selection
Natural Selection
Survival of the fittest
Both B and C
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Question # 13
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 # 14
Adolph Engler classified the whole plant kingdom on the basis of
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Natural
Artificial
Phylogenetic
Modern
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Question # 15
Gene pool is the total aggregate of gene a ----------- at any one time.
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Individual
Population
DNA
Chromosome
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Question # 16
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 # 17
Seed of rosaceae is
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Edosperm
Endosperm oily
Non endosperm
None
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Question # 18
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 # 19
Potentillaanserina is useful in
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Asthma
Dissolving kidney stones
Skin diseases
Stomach disorders
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Question # 20
An organism that is caught and eaten is called
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Predator
Prey
Ectoparasites
Endoparasites
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Question # 21
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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