Plant Kingdom Questions

Kingdom Plantae Quiz

Fruitless flowering plants are called
(a) Sterile plants
(b) Angiosperms
(c) Primitive
(d) Gymnosperms

Ans. (d)

A bryophyte which harbours a nitrogen fixing blue-green alga in its thallus is
(a) Pogonatum
(b) Riccia
(c) Marchantia
(d) Anthoceros

Ans. (d)

Which one of the following groups has been classified on the basis of pigments?
(a) Algae
(b) Fungi
(c) Bryophyta
(d) Pteridophyta

Ans. (a)

Primitive types of stomata are found in the
(a) Leaves of moss plants
(b) Axis of the moss plant
(c) Apophysis of capsule of moss

Ans. (c)

Alga rich in protein is
(a) Chlorella
(b) Spirogyra
(c) Oscillatoria
(d) Ulothrix

Ans. (a)

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A feature common to gametophytes and sporophytes of mosses and ferns is
(a) Independent existence
(b) Autotrophic nutrition
(c) Unbranched habit
(d) Branched habit

Ans. (b)

Which of the following decomposes the remnants of the plants into CO2 and water?
(a) Algae
(b) Virus
(c) Sunlight
(d) Bacteria

Ans. (c)

The dehiscence of moss capsule takes place by rupture of
(a) Operculum
(b) Peristome
(c) Annulus
(d) Calyptra

Ans. (c)

Non-motile male gametes are formed in
(a) Funaria
(b) Selaginella
(c) Fern
(d) Pinus

Ans. (d)

The centre of moss axis is occupied by
(a) Xylem
(b) Phloem
(c) Pith
(d) Conducting tissue

Ans. (d)

Funaria has
(a) Unicellular simple rhizoids
(b) Tuberculated rhizoids
(c) Distinct branched coenocytic rhizoids
(d) Multicellular, oblique septate rhizoids

Ans. (d)

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Gibberellic acid has been successfully employed to induce flowering
(a) In long day plants under short day conditions
(b) In short day plants under long day conditions
(c) For some plants

Ans. (a)

Which of the following helps in coal formation?
(a) Bacteria
(b) Gymnosperm
(c) Pteridophytes
(d) Archaebacteria

Ans. (c)

Selaginella possesses and outgrowth proximally
(a) Ligule
(b) Indusium
(c) Stipule
(d) Petiole

Ans. (a)

Which of the following is the tallest tree of the world?
(a) Eucalyptus regnans
(b) Sequoia sempervirens
(c) Pinus logifolia
(d) Pinus roxburgii

Ans. (a)

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The basal portion of ligule of Selaginella is hemispherical and is called
(a) Glossopodium
(b) Awn of ligule
(c) Bundle sheath
(d) Pedicel of ligule

Ans. (a)

In Spirogyra
(a) The filaments showing scalariform conjugation are homothallic
(b) The filaments showing lateral conjugation are homothallic
(c) The filaments showing lateral conjugation are heterothallic
(d) Asexual reproduction occurs by zoospores

Ans. (b)

Rhizophore of Selaginella has
(a) Diarch stele
(b) Triarch stele
(c) Monoarch stele
(d) Tetrarch stele

Ans. (c)

The alkaloid in the leaf of neem:
(a) Morphine
(b) Nimbin
(c) Quinine
(d) Casein

Ans. (b)

Which of the following is known as ‘resurrection plant’?
(a) Selaginella
(b) Welwitschia
(c) Refflesia
(d) Chlorellaa

Ans. (a)

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Which of the following is not involved in the fertilization of fern?
(a) Pollen tube
(b) Water
(c) Archegonia
(d) Flagellated sperms

Ans. (a)

Number of flagella present in the gametes of Ulothrix is
(a) Four
(b) Three
(c) One
(d) Two

Ans. (d)

Trabeculae endodermis is found in
(a) Axis and capsule of moss plant
(b) Stem of Selaginella
(c) Stem of Cycas
(d) Stem of Pinus

Ans. (b)

How many archegonia develop on one gametophyte of Cycas?
(a) 1
(b) 2
(c) 1 – 5
(d) 3 – 6

Ans. (d)

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The arrangement of megaspores in a tetrad in a gymnosperm is
(a) Decussate
(b) Tetrahedral
(c) Linear
(d) Isobilateral

Ans. (c)

Mesophyll tissue of Pinus needle is composed of
(a) Armed parenchyma
(b) Chlorenchyma
(c) Spongy parenchyma
(d) Transfusion tissue

Ans. (c)

The latex of Hevea braziliensis gives :
(a) Rubber
(b) Alkaloids
(c) Oil
(d) Dyes

Ans. (a)

Development of embryo in Selaginella is
(a) Meroblastic
(b) Holoblastic
(c) Aposporous

Ans. (a)

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Cycas occurs commonly in
(a) South America
(b) North America
(c) South East Asia
(d) Europe

Ans. (c)

Jacket of fern antheridium is composed of
(a) 2 cells
(b) 3 cells
(c) 4 cells
(d) 5 cells

Ans. (b)

The apophysis region of capsule is concerned with
(a) Photosynthesis
(b) Formation of spores
(c) Dispersal of spores
(d) Retention of moisture

Ans. (a)

Which of the following is not heterosporous?
(a) Dryopteris
(b) Selaginella
(c) Marsilea
(d) Pinus

Ans. (a)

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Endosperm of Pinus is
(a) Male gametophyte
(b) Female gametophyte
(c) Sporophyte

Ans. (b)

Which of the following features are true for Pinus?
(a) Haploid endosperm
(b) Bicilliated sperms
(c) Double fertilization
(d) Presence of antheridia

Ans. (a)

The prothallus of fern is
(a) Heart-shaped
(b) Dorsiventral
(c) Green
(d) All of these

Ans. (d)

Early embryogeny in Cycas is characterized by
(a) Absence of suspensor cell
(b) Presence of expanded free nuclear division
(c) Reduced free nuclear division
(d) Many cotyledons

Ans. (b)

Sulphur shower condition is related to
(a) Moss
(b) Selaginella
(c) Fern
(d) Pinus

Ans. (d)

Alkaloids are
(a) Nitrogenous, poisonous compounds
(b) Nitrogen free compounds
(c) Carbon compounds

Ans. (a)

Pinus shows
(a) Heterospory
(b) Polyembryony
(c) Homospory
(d) One type of branching

Ans. (b)

Which one of the following alternatives represents the gametophytic phase in Pinus?
(a) Pinus plant
(b) Zygote
(c) Micro and megaspores
(d) Male and female cones

Ans. (c)

A fern prothallus is bisexual. If fertilization takes place between their gametes then it is known as
(a) Cros fertilization
(b) Self fertilization
(c) Isogamous
(d) Viviparous

Ans. (b)

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In Cycas, the endosperm is
(a) Sporophytic structure
(b) Gametophytic structure
(c) New structure
(d) Formed after fertilization

Ans. (b)

The wing in Pinus seed originates from
(a) Integument
(b) Adaxial surface of ovuliferous scale
(c) Bract scale
(d) Cone axis

Ans. (b)

The secondary growth in stem of Cycas is brought about by
(a) Persistant cambium
(b) Short lived cambium
(c) Number of cambia produced in succession
(d) Isolated strips of cambium

Ans. (c)

The gametophytic generation in pteridophytes is commonly called
(a) Thallus
(b) Plant body
(c) Prothallus
(d) Protonema

Ans. (c)

The stem of female Cycas plant is a
(a) Monopodium
(b) Sympodium
(c) Rhizomatous
(d) Dichotomous

Ans. (a)

An angiosperm differs from a gymnosperm by possessing
(a) Ovule
(b) Xylem vessels
(c) Xylem tracheids
(d) Seed

Ans. (b)

In Dryopteris
(a) Sporophyte is parasitic over gametophyte
(b) Sporophyte is independent
(c) Both

Ans. (c)

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Aromatic oils occur in leaves of
(a) Lemon grass
(b) Ocimum
(c) Eucalyptus
(d) All

Ans. (d)

The number of male prothellial cells in Selaginella  are
(a) One
(b) Two
(c) Four
(d) Nil

Ans. (a)

The gametophyte of fern bears
(a) Antheridia
(b) Archegonia
(c) Both

Ans. (c)

Heterotropic nutrition is found in
(a) Opuntia
(b) Drosera
(c) Vallisnaria
(d) Pistia

Ans. (b)

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Thermal algae are forms which grow and survive
(a) In tropical regions where the temperature range is high
(b) In hot water springs where the temperature remains around 70°C
(c) On the huge rocks exposed to bright sunlight
(d) In deserts where the temperature in summer remains around 70°C

Ans. (b)

Plant utilizes less than the following percent of water for vital activities
(a) 2
(b) 3
(c) 4
(d) 5

Ans. (a)

When the gametophyte is not formed by spores but by any other part of sporophyte, it is known as?
(a) Multispory
(b) Polyspory
(c) Apospory
(d) Germination

Ans. (c)

Cycas is
(a) Hermaphrodite
(b) Dioecious
(c) Monoecious

Ans. (b)

If a heterozygous plant is crossed with a homozygous dwarf plant the proportion of dwarf progenly will be
(a) 25 %
(b) 50 %
(c) 75 %
(d) 100 %

Ans. (b)

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In which of the following plants vegetative reproduction takes place with the help of bulbs
(a) Pistia
(b) Colocasia
(c) Zingiber
(d) Agave

Ans. (d)

During unfavourable conditions growth occurs in plants
(a) Slowly
(b) Rapidly
(c) Continuously
(d) With gaps

Ans. (a)

Most primitive members of the plant kingdom are
(a) Thallophytes
(b) Bryophytes
(c) Pteridophytes
(d) Gymnosperms

Ans. (a)

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Cytoplasmic male sterility in flowering plants is contributed by
(a) Male gamete
(b) Female gamete

Ans. (b)

In scalariform conjugation two fusing gametes of Spirogyra are
(a) Morphologically dissimilar
(b) Morphologically similar but physiologically dissimilar
(c) Morphologically and physiologically dissimilar
(d) Morphologically similar

Ans. (b)

Algae attached to stone is called
(a) Coenolithic
(b) Epifolic
(c) Epilithic

Ans. (c)

Vegetative reproduction in Cycas occurs by
(a) Scale leaves
(b) Sporophylls
(c) Bulbils
(d) Fragmentation

Ans. (c)

Plants manufacturing their own food are called
(a) Epiphytes
(b) Parasites
(c) Saprophytes
(d) Autotrophs

Ans. (d)

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