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NAT-IIB Biological Science Botany Hard Test MCQs With Answers
Question # 1
Vegetative parts of ----------- are easier to observe than reproductive parts
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Angiosperms
Gymnosperms
Bryphytes
Pteridophytes
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Question # 2
Saccharomyces cervisiae is the most commonly exploited yeast which feature highlights their economic improtance
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Asexual reproduction
Unicellular
They ferment carbohydrate to ethanol and carbon dioxide
Sexual reproduction
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Question # 3
The appendages of anthers form a corona
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Tanslator
Cuculli
Staminal
Pollinium
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Question # 4
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 # 5
An organism that is caught and eaten is called
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Predator
Prey
Ectoparasites
Endoparasites
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Question # 6
Protanopia is
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Green blindness
Red blindness
Yellow blindness
Blue blindness
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Question # 7
The majority of plants of this family provides edible fruits
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Rosaceae
Labiaceae
Ranunculaceae
Malvaceae
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Question # 8
Cryptostegiagrandiflorais a cultivated ----------- growing in gardens.
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Herb
Shrub
Grass
Climber
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Question # 9
Fruits of labiateae is
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Pome
Pappus
Drupe
Carcerulus
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Question # 10
Translator consists of two parts
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Corpusculum and a pair of arms
Gynoestigium and polonium
Androecium and gynoecium
Gynoestigium and corpusculum
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Question # 11
--------- lives for more than two growing seasons
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Binnials
Annuals
Perenials
Bicarpic
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Question # 12
It is one of the two or more specimen cited by an author of the species when no holotype was designated
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Isotype
Lctotype
Syntype
Paratype
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Question # 13
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 # 14
Which one of these is a predatory fungus?
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Pleurotus ostreatus
Mildews
Armillaria
Yeast
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Question # 15
The botanical name of date (khajoor) is
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Phoenix slyvestris
Cucusmucifera
Cryotaurens
Raphisruffia
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Question # 16
Historical remnants of structures that had important function in ancestors but are no longer essential presently are called
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Analogous organs
Vestigial organs
Fossils
None of these
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Question # 17
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 # 18
The species which is at the threat of danger of extinction is called
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Endangered species
Extinct species
Threatened species
All of these
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Question # 19
The botanical name of Kala Zira is
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Nigella sativa
Clematyustriloba
Ranunculus aquatalis
Delphinium ajasis
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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
1.
----------- is the process in which plasma membrane starts pulling away from the cell wall;
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Incipient plasmolysis
Indirect plasmolysis
Critical Phasmolysis
None
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Question # 22
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 # 23
--------------- are the plants that flower only once and then die
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Monocarpic
Dicarpic
Apocarpic
holocarpic
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Question # 24
It is a specimen chosen by later worked from original material studied by the author of the species
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Holotype
Syntype
Isotype
Lecto type
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