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NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
The non-protein part covalently bonded to enzyme is
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APO-enzyme
Coenzymes
Co-factor
None
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Question # 2
The anthers are two celled and pollen grains are in the form of tetrads and are found in the sac like sturctures
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Polonium
Gynoestigium
Corpusculum
Translator
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Question # 3
Calyx sometimes modified into a large number of hairs like structures
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Pepo
Pappus
Ray floret
Neuter
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Question # 4
Vegetative parts of --------- are easier to observe than reproductive parts
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Angiosperms
Gymnosperms
Bryophytes
Pteridophytes
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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
In fishes, gill pouches develop into
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Gills
Threat & Middle ear
Eustachian tubes
Both A and B
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Question # 7
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 # 8
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 # 9
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 # 10
Plants of asclepiadaceae are mostly
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Herbs
Shrubs
Trees
All the them
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Question # 11
Green color blindness is called
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Parotanopia
Denteranopia
Tritanopia
Non of these
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Question # 12
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 # 13
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 # 14
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 # 15
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 # 16
In ---------- stems & roots of plants increase in diameter
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Primary growth
Secondary growth
Permanent growth
Apical growth
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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
Refers to the place and scope of the publication
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Effective publication
Homonym
Tetention
Sysnonym
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Question # 19
------------ are the reaction that takes place during the light phase of photosynthesis
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Kelvin cycle
Photo-reaction
Hill's reaction
All
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Question # 20
The botanical name of Ajwain is
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Ocimum sanctum
Ocimumbasilicum
Methe sylvestris
Coleus aromaticus
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Question # 21
The majority of plants of this family provides edible fruits
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Rosaceae
Labiaceae
Ranunculaceae
Malvaceae
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