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Free download in PDF Plant Kingdom Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Ustilago causes plant diseases (called smuts) because
[A]
they parasitize on cereals.
[B]
they lack mycelium.
[C]
they develop sooty masses of spores.
[D]
their affected parts becomes completely black.
Answer: their affected parts becomes completely black.
(2)
In some viruses, RNA is present instead of DNA indicating that
[A]
their nucleic acid must combine with host DNA before replication.
[B]
they cannot replicate.
[C]
there is no hereditary information.
[D]
RNA can transfer heredity material.
Answer: RNA can transfer heredity material.
(3)
When a moist bread is kept exposed in air, it becomes mouldy and black because
[A]
spores are present in the water.
[B]
spores are present in the bread.
[C]
spores are present in the air.
[D]
the bread decomposes.
Answer: spores are present in the bread.
(4)
Lichens indicate SO2 pollution because they
[A]
show association between algae and fungi.
[B]
grow faster than others.
[C]
are sensitive to so2.
[D]
flourish in so2 rich environment.
Answer: are sensitive to so2.
(5)
A virus can be considered a living organism because it
[A]
responds to touch stimulus
[B]
respires
[C]
reproduces (inside the host)
[D]
can cause disease
Answer: reproduces (inside the host)
(6)
Bacteria lack alternation of generation because there is
[A]
neither syngamy nor reduction division.
[B]
no distinct chromosomes.
[C]
no conjugation.
[D]
no exchange of genetic material.
Answer: neither syngamy nor reduction division.
(7)
Yeast is not included in protozoans but in fungi because
[A]
it has no chlorophyll.
[B]
some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
[C]
it has eukaryotic organization.
[D]
cell wall is made up of cellulose and reserve food material is starch.
Answer: some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
(8)
Select the correct match from the given option.
[A]
Occurrence of dikaryotic stage – ascomycetes and basidiomycetes.
[B]
Saprophytes – They are autotrophic and absorb soluble organic matter from dead substrates.
[C]
Vegetative mean of reproduction in fungi – fragmentation, budding and sporangiophores.
[D]
Steps involved in asexual cycle of fungi – plasmogamy, karyogamy and meiosis in zygote resulting in haploid spores.
Answer: Occurrence of dikaryotic stage – ascomycetes and basidiomycetes.
(9)
Which of the following groups of protozoan is not correctly matched with its feature?
[A]
Amoeboid – Marine forms have silica shells on their surface.
[B]
Flagellated – Either free living or parasitic.
[C]
Ciliated – Actively moving organisms due to presence of cilia.
[D]
Sporozoans – Move and capture their prey with the help of false feet.
Answer: Sporozoans – Move and capture their prey with the help of false feet.
(10)
Which of the following pair is correctly matched ?
[A]
fungi saprophytic parasitic mode of nutrition.
[B]
monera nuclear membrane is present.
[C]
plantae cell wall is made up of cellulose.
[D]
animalia cell wall is absent.
Answer: monera nuclear membrane is present.
(11)
Which of the plant groups needs both land and water to complete their life cycle?
[A]
Tracheophyta
[B]
Pteridophyta
[C]
Thallophyta
[D]
Bryophyta
(12)
A plant that has seeds but no flowers and fruits?
[A]
Bryophytes
[B]
Gymnosperms
[C]
Mosses
[D]
Pteridophytes
(13)
Most primitive vascular plants?
[A]
Mosses
[B]
Cycads
[C]
Kelps
[D]
Ferns
(14)
Plants that possess spores and embryo but lack vascular tissues and seeds?
[A]
Rhodophyta
[B]
Bryophyta
[C]
Pteridophyta
[D]
Phaeophyta
(15)
Which one is not an exception in angiosperms?
[A]
Double fertilization
[B]
Secondary growth
[C]
Presence of vessels
[D]
Autotrophic nutrition
Answer: Double fertilization
(16)
Pteridophytes differ from mosses in
[A]
Independent gametophyte
[B]
Dependent gametophyte
[C]
Flagellate antherozoids
[D]
Independent and dominant sporophyte
Answer: Independent and dominant sporophyte
(17)
Angiosperms are the dominant flora because of
[A]
Domestication by man
[B]
Power of adapting in diverse habitats
[C]
Self-pollination property
[D]
Property of producing a large number of seeds
Answer: Power of adapting in diverse habitats
(18)
Plants reproducing by spores are grouped under
[A]
Bryophytes
[B]
Sporophytes
[C]
Cryptogams
[D]
Thallophytes
(19)
Plants having vascular tissue without seeds
[A]
Angiosperm
[B]
Pteridophytes
[C]
Bryophytes
[D]
Gymnosperms
(20)
The plant group that posses the largest ovule, largest gametes, and largest tree
[A]
Angiosperms
[B]
Gymnosperms
[C]
Pteridophytes
[D]
Bryophytes
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