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NAT II Biological Science Botany MCQs With Answers
Question # 1
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 # 2
Rusts belong to the group of club fungi they are called so because
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Orange-yellow colored disease spots on their host surface
Dusty spore masses that resemble soot
Rust have fruiting bodies
Puccinia species
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Question # 3
Protanopia is
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Green blindness
Red blindness
Yellow blindness
Blue blindness
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Question # 4
Why molds can grow on oranges and jelly kept in refrigerator where generally bacteria cannot reach
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They are well adapted to live on land
Hyphae are modified
They can tolerate temperature extremes minus 5 degree centigrade below freezing and 50 degree centigrade or more
They have rhizoids
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Question # 5
Euphorbia Milli is a
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Tree
Herb
Ornamental shrub
Ornamental herb
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Question # 6
The other name of glycolysis is
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Calvin cycle
EMP pathway
Light reaction
None
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Question # 7
When all the original specimens and their duplicates have been lost or destroyed
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Lecto type
Neotype
Isotype
Paratype
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Question # 8
While studying the components of an ecosystem what is the biotic component in all these examples?
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Gravity
Topography
Consumers
Temperature
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Question # 9
When a species is described in one genus and later transferred to another genus, the specific epithet
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Homonym
Synonym
Legitimate
Illegitimate
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Question # 10
Seeds of family ---------- bear a tuft of hairs
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Compositeae
Labiateae
Asclepiadaceae
Ranunculaceae
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Question # 11
Genera with common characteristics are grouped into a more inclusive group
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Species
Family
Genus
Sub-species
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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
If sex chromosomes are more than two in an individual, these are called as
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Multiple sex chromosomes
Compound sex chromosomes
Autosome + sex chromosomes
Pseudo autosome
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Question # 14
An ecosystem is forged from bare rock, sand or clear glacial pool where there is no trace of previous life it refers to
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Secondary succession
Hydrosere
Xerosere
primary succession
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Question # 15
Fruits of labiateae is
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Pome
Pappus
Drupe
Carcerulus
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Question # 16
The disease in which leaves may appear twisted and finally die is
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Bronzing
Whiptail disease
Whiplash disease
None
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Question # 17
Disc florets have ------------ flowers
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Tubular
Ligulate
Round
None
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Question # 18
The characters of constant nature which are used to define a group are
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Synthetic
Systematic
Variations
Diagnostic
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Question # 19
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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Question # 20
Brassica compestris is the member of the family
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Cucurbitaceae
Crucifereae
Compositeae
Ranunculaceae
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Question # 21
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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