Plant Kingdom MCQs | Plant Kingdom Multiple Choice Questions and Answers

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Questions
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.

Plant Kingdom – Multiple Choice Questions with Answers | EBook

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

Answer: angiosperms
12 A plant that has seeds but no flowers and fruits?
A Bryophytes
B Gymnosperms
C Mosses
D Pteridophytes

Answer: Gymnosperms
13 Most primitive vascular plants?
A Mosses
B Cycads
C Kelps
D Ferns

Answer: Ferns
14 Plants that possess spores and embryo but lack vascular tissues and seeds?
A Rhodophyta
B Bryophyta
C Pteridophyta
D Phaeophyta

Answer: Bryophyta
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

Answer: Cryptogams
19 Plants having vascular tissue without seeds
A Angiosperm
B Pteridophytes
C Bryophytes
D Gymnosperms

Answer: Pteridophytes
20 The plant group that posses the largest ovule, largest gametes, and largest tree
A Angiosperms
B Gymnosperms
C Pteridophytes
D Bryophytes

Answer: Gymnosperms

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