Plant Kingdom that includes notes,pyq, for neet

7 views 107 slides Apr 16, 2025
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About This Presentation

It includes plant kingdom and its classification


Slide Content

PLANT KINGDOM
1

Synopsis
Types of Classification
Branches of Taxonomy
Various Plant Groups
Plant Life Cycle & Alternation of generations
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!
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Plantae
Algae
Bryophytes
Pteridophytes
Gymnosperms
Angiosperms
I

Types of Classification
1. Artificial Classification
2. Natural Classification
3. Phylogenetic Classification

Branches of Taxonomy
1. Numerical Taxonomy
2.Cytotaxonomy
3.Chemotaxonomy

Kingdom-Plantae includes classes
(1) Algae, mosses, fungi bryophytes and pteridophytes
(2) Algae, liverworts, pteridophyte, gymnosperms and angiosperms
(3) Algae, fungi, pteridophytes, gymnosperms and angiosperms
(4) Algae, bryophyta, pteridophytes, gymnosperms and angiosperms

Classification done on the basis of cytological information, chromosome
structure and their behaviour, is know as
(1) molecular classification
(2) chemotaxonomy
(3) cytotaxonomy
(4) karyotaxonomy

ALGAE

CHARACTERISTIC FEATURES
REPRODUCTION IN ALGAE
ECONOMIC IMPORTANCE
CLASSIFICATION OF ALGAE
TYPES OF ALGAE
ALGAE
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!

Algae are
(1) Saprotrophic
(2) Heterotrophic but cholorphyll bearing
(3) Both 1 and 2
(4) Chlorophyll bearing autotrophs

Chlorophyll bearing, thalloid, simple, autotropic eukaryotic and largely aquatic
organisms are
(1) Bryophytes
(2) Chrysophyta
(3) Algae
(4) Cyanobacteria

Algae occur in/on
(1) Fresh and marine water
(2) Moist stones
(3) Soils and wood
(4) All of these

Sometimes algae are present in a non -aquatic environment .
Identify them
(1) Fungi (lichen)
(2) Virus (lichen)
(3) Fungi (mycorrhizae)
(4) Both 1 and 3

In algae, the most common type of asexual spore is
(1) aplanospore
(2) algaspore
(3) zoospore
(4) oospore

Oogamous means
(1) Fusion between one smaller female gamete and a large motile male gamete
(2) Fusion between one large female gamete and a smaller motile male gamete
(3) Fusion between one large female gamete and a large motile male gamete
(4) Fusion between female and male gametes of similar size
Volvox
-9
Fucus
.

50 per cent CO2 fixation on earth is carried out by
(1) Protist
(2) Higher plants
(3) Algae
(4) Bryophyta

Agar, finds its use
(1) To grow microbes
(2) In preparations of ice-creams and jellies
(3) Both 1 and 2
(4) Polishing and purification of oils and syrups

Agar is commercially obtained from
(1) Gelidium and gracilaria - red algae
(2) Gelidium and gracilaria - green algae
(3) Gelidium and gracilaria - brown algae
(4) Gelidium and gracilaria - blue-green algae

The alga used in space research is
(1) All red algae
(2) Gelidium
(3) Chlorella
(4) Gracilaria
Spirulina
.

Algin -a hydrocolloid is secreted by
(1) All of the algae.
(2) Brown algae
(3) Red algae
(4) Both red and brown algae

Carrageen is a
(1) SCP
(2) Brown algae
(3) A hydrocolloid
(4) Type of agar

Find out the mismatch pair
(1) Carrageen -red algae
(2) Algin-brown algae
(3) Single celled protein-Chlorella
(4) Agar -Porphyra
GelidingG
Graci
Ilaria
.

Match the columns I and II.
(1)A − R, B − P, C − Q,D − T, E − S
(2)A − Q, B − R, C − P,D − T, E − S
(3)A − S, B − R, C − P,D − T, E − Q
(4)A − Q, B − T, C − P,D − R, E − S

BRYOPHYTES

Characteristic Features
Classification of Bryophytes
Ecological Importance
Life Cycle of Moss
Bryophytes
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1.Liverworts

Marchantia
Female thallus Male thallus

2.Mosses

Funaria
Sphagnum

In Mosses creeping, green, branched and frequently filamentous stage
is called
1) Protonema
2) Rhizome
3) Rhizophore
4) All of these
7

Which of the following statement is true for Bryophyta?
1) True roots are present
2) Sporophyte is dominant
3) Gametophyte is dominant and sporophyte is mostly parasitic
4) Gametophyte is parasitic
o

*

The unique feature of Bryophytes compared to other green plant
groups is that
1) They produce spores
2) They lack vascular tissue
3) They lack root
4) Their sporophyte is attached to gametophyte
r

Which of the following statement is incorrect regarding bryophytes?
1) They are dependent on water for sexual reproduction
2) The main plant body is diploid
3) They usually occur in damp, humid and shaded localities
4) They play an important role in plant succession on bare rocks
I
.
haploidgametophyte
.

Match the following and choose the correct
combination.
Column I Column II
A. Red algae 1. Marchantia
B. Liverwort 2. Acetabularia
C. Walking fern 3. Polysiphonia
D. Green algae 4. Adiantum
1) A-1, B-2, C-4, D-3 2) A-2, B-4, C-3, D-1
3) A-2, B-3, C-1, D-4 4) A-3, B-1, C-4, D-2
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Antherozoids

Bryophytes are called 'amphibians of the plant kingdom' because
(1) They have evolved from frogs
(2) They grow only in water
(3) These plants grow in soil, but are dependent on water for sexual
reproduction
(4) both 2 and 3
1

The plant body of bryophytes is attached to substratum with the help of
(1) Unicellular or multicellular root
(2) Unicellular or multicellular rhizoids
(3) Multicellular rhizoids only
(4) Unicellular rhizoids only
i

Gametophyte of bryophyte is
(1) Free living and parasitic
(2) Free living and autotrophic
(3) Free living and saprotrophic
(4) All of these
l

The male gametes of bryophytes are called
(1) Antherozoids
(2) Testes
(3) Sperms
(4) Antheridium
t

Archegoniophore and antheridium as distinct structure is present in
(1) Polytrichum
(2) Funaria
(3) Marchantia
(4) Chara
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Anther
idiot
hove
.

In moss, the sporophyte is differentiated into
(I) Scta, protonema and capsule
(2) Foot, protonema and seta
(3) Foot, seta and capsule
(4) Protonema, foot and eapsule
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The predominant stage of the life cycle of a moss is the gametophyte which
consists of___stages, namely___and ___
(1) Two, protonema, leafy stage
(2) Two, prothallus, leafy stage
(3) Two, protonema, prothallus
(4) Two, protonema, secondary protonema.
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Peat moss is
(1) Funaria
(2) Marchantia
(3) algae
(4) Sphagnum
l

Peat used in transshipment is a product obtained from
(1) Liverworts
(2) Pleridophyta
(3) Mosses
(4) Both 2 and 3
_

Mosses along with lichen are of great ecological importance because
(1) Help in eclogical succession
(2) Prevent soil erosion
(3) They colonise barren rocks and decompose rock
(4) All of them
-

Select the correct answer about bryophyta
A. Some cells of the sporophyte undergo reduction division (mitosis) to
produce haploid spores.
B. The sporophyte is not free-living but attached to the photosynthetic
gametophyte and derives nourishment from it.
(1) A is correct
(2) B is correct
(3) Both are correct
(4) None of them are correct�
-
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PTERIDOPHYTES

Characteristic Features
Classification of Pteridophytes
Various type of Pteridophytes
Life Cycle of a Fern
PTERIDOPHYTES
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Classification
I. Psilopsida Eg: Psilotum
II. Lycopsida Eg:Selaginella, Lycopodium
III. Sphenopsida Eg: Equisetum
IV. Pteropsida Eg: Dryopteris, Pteris,Adiantum, Azolla.

Lycopsida
Sphenopsida

Pteropsida

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Pteridophytes are commonly called as
a) Vascular spermatophytes
b) Vascular Cryptogams
c) Non - Vascular Cryptogams
d) both a & b are correct
s

a

-
so

A
hycopsida
.

Pteridophyta differs from Bryophyta
in having
1) Vascular tissue
2) Archegonia
3) Alternation of generations
4) Motile sperm
b

The main plant body of Pteridophytes is
1) Sporophyte
2) Gametophyte
3) Haploid
4) None of the above

-

Evolution of seed habit first started in
1) ancestral pteridophytes
2) ancestral bryophytes
3) Gymnosperms
4) Mosses
*

Which of the following are heterosporous pteridophytes?
I. Lycopodium
II. Selaginella
III. Equisetum
IV. Salvinia
1) I and II only 2) II and III only 3) III and IV only
4) II and IV only

no
Salvini
a

The pteridophytes are further classified into four classes:Identify the
wrong pair
(1) Psilopsida (Psilotum)
(2) Lycopsida (Selaginella, Lycopodium)
(3) Pteropsida (Dryopteris, Pteris, Adiantum
(4) Sphenopsida (Fern)
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pteropsida
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Pteridophytes are
(1) Homosporous and produce only one kind of spores.
(2) Zygote produces a multicellular welldifferentiated sporophyte
(3) Heterosporus and produce small and large spores.
(4) Restricted to narrow geographical zone because of specific
requirement of water
(1) I and II
(3) I, III and IV
(2) I, II and III
(4) I, II III and IV
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Prothallus of the pteridophyta produces
(1) Gametes
(3) Both I and 2
(2) Spores
(4) Gametophyte
1
gametophyte
Q
Prothallus

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GYMNOSPERMS

Cycadales
Coniferales
Ginkgoales

Gymnosperms are
a) Covered seeded Plants
b) Naked seeds Plants
c) Flowering plants
d) Amphibians of the plant Kingdom

Which of the following is considered as Living fossil
(1) Pinus
(2) Cedrus
(3) Gingko
(4) Sequoia

Coralloid roots have a symbiotic association with
1) Photosynthetic green algae
2) Nitrogen-fixing Cyanobacteria
3) Fungus
4) Photosynthetic brown algae

Which statement is wrong for Cycas?
1) It posses mycorrhiza
2) Cones are reproductive organs
3) It has coralloid roots
4) it has pinnate leaves

Mycorrhiza are found in
a) Cycas
b) Pinus
c) Ginkgo
d) Gnetum

Fruits are not formed in gymnosperm because
1) Fertilisation is absent
2) Pollination is absent
3) Seeds are not formed
4) Ovary is absent

The Reproductive structures of Gymnosperm is
1) Flowers
2) strobilus
3) Cones
4) both 2 & 3

A gymnospermic leaf carries 16 chromosomes. The number of
chromosomes in its sperm will be
1) 16
2) 8
3) 24
4) 12
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Microsporophyll in Pinus is a part of
a) Male cone
b) Female Cone
c) Both a & b
d) Female strobilus

Which of the following is present in Pinus
a) Antheridium
b) Archegonium
c) Both a & b
d) Antheridium & Archegonium is absent

Gymnosperms are characterised by
(1) Seeds inside fruits
(2) Naked seeds
(3) Seeds with a special covering
(4) Winged sperms
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The tallest gymnosperms is
(1) Sequoia
(2) Red wood tree
(3) Cycas
(4) Both 1 and 2
_

What is the type of root system in Gymnosperms?
(1) Tap root system
(2) Fibrous root system
(3) Rhizoids
(4) Rhizines
_

Which type of roots are present in Cycas which in association with fixing
bacteria ?
(1) Coralloid roots
(2) Tap root
(3) Fibrous root
(4) Mycorrhizae
l

Which of the following has both the male and female cones on same
plant body and it is referred as ?
(1) Cycas-monoecious
(2) Pinus-dioecious
(3) Cycas-dioecious
(4) Pinus-monoecious d
Moyoecious
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In gymnosperms, the nucellus is protected by envelopes and this
composite structure is known as
(1) Ovule
(2) Ovary
(3) Both 1 and 2
(4) Strobili
I-

In gymnosperms, dominant phase is
(1) Sporophyte-haploid
(2) Gametophyte-diploid
(3) Gametophyte –Haploid
(4) Sporophyte-diploid
1

In gymnosperms, pollen grains are carried by
(1) Water
(2) Air currents
(3) By both
(4) Biotic agents
_

Angiosperms

Wolffia
Eucalyptus

Angiosperms are divided into two classes
Dicotyledons Monocotyledons

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Life Cycle

2.Diplontic Life cycle
3.Haplo-Diplontic Life cycle
1.Haplontic Life cycle

Most Algae are haplontic but Algae such as
Ectocarpus, Polysiphonia,kelps are haplo-diplontic.

Brown algae Fucus is diplontic.

Spore bearing tracheophyte
1) Pteridophyta
2) Gymnosperms
3) Angiosperms
4) All the above

In which of the following characters, the angiosperms
resemble Gymnosperms?
1) Presence of ovule
2) Absence of endosperm
3) Presence of vessels
4) presence of flowers

Angiosperms differ from Gymnosperms as they show
1) Double fertilisation
2) Triple fusion
3) Triploid endosperm
4) All of the above

Embryo sac represents
1) Megaspore mother cell
2) Female gametophyte
3) Megaspore
D) Microsporangium

In angiosperms, ploidy of embryo sac is
1) Diploid
2) Triploid
3) Haploid
4) Both 1 and 3
Meiosis
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Vessels are found in
1) All gymnosperms
2) Most of the angiosperms
3) All angiosperms, all gymnosperms and some pteridophytes
4) All Pteridophyta

Diplontic life cycle is present in
1) Eucalyptus, Pinus, Fucus
2) Cycas, Sargassum, Angiosperms
3) Selaginella, Marchantia, Chara
4) Bryopsis, Pinus, Marsilea

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