NEET Biology Plant Kingdom MCQs Set B

Question: Which of the following systems of classification involves usage of one or few morphological characters for grouping of organisms?

• a) Artificial system
• b) Phylogenetic system
• c) Natural system
• d) Bentham & Hooker’s system

Answer: Artificial system

Question: Classification of organisms on the basis of fossils record that play important role in elucidation of evolutionary relationships is

• a) Phylogenetic systems
• b) Morphotaxonomy
• c) Artificial system
• d) Earliest systems

Answer: Phylogenetic systems

Question: DNA sequence is the basis of grouping organisms in

• a) Chemotaxonomy
• b) Phenetics
• c) Cytotaxonomy
• d) Karyotaxonomy

Answer: Chemotaxonomy

Question: Plants which are not differentiated into roots, stems and leaves are

• a) Algae
• b) Gymnosperms
• c) Angiosperms
• d) Pteridophytes

Answer: Algae

Question: Cell wall of Spirogyra is composed of

• a) Both
• b) Cellulose
• c) Pectin
• d) Peptidoglycan

Answer:  Both

Question: Kelps are massive

• a) Brown algae
• b) Amphibious plants
• c) Plants with naked seeds
• d) Flowering plants

Answer: Brown algae

Question: Laminarin is the stored food in

• a) Dictyota
• b) Chlamydomonas
• c) Volvox
• d) Polysiphonia

Answer: Dictyota

Question: In Gracilaria, sexual reproduction is

• a) Oogamous
• b) Anisogamous
• c) Isogamous
• d) Polysiphonia

Answer: Oogamous

Question: Ectocarpus is

• a) Filamentous brown algae
• b) Colonial green algae
• c) Unicellular green algae
• d) Branched red algae

Answer: Filamentous brown algae

Question: Find out the mismatch pair

• a) Agar – Chlorella
• b) Carrageen – Red algae
• c) Algin – Brown algae
• d) Single celled protein – Spirullina

Answer:  Agar – Chlorella

Question: In algae, the photosynthetic pigments are present in

• a) Chloroplast
• b) Vacuole
• c) Pyrenoids
• d) Cell wall

Answer: Chloroplast

Question: Which of the following statement is incorrect regarding bryophytes?

• a) The main plant body is diploid
• b) They are dependent on water for sexual reproduction
• c) They usually occur in damp, humid and shaded localities
• d) They play an important role in plant succession on bare rocks

Answer: The main plant body is diploid

Question: Peat is obtained from

• a) Sphagnum
• b) Riccia
• c) Marchantia
• d) Funaria

Answer: Sphagnum

Question: Liverworts reproduce asexually by

• a) Both
• b) Fragmentation
• c) Gemmae
• d) None of these

Answer: Both

Question: _______ is used by gardeners to keep cut plants moist during transportation and propagation.

• a) Sphagnum
• b) Marchantia
• c) Equisetum
• d) Funaria

Answer: Sphagnum

Question: In mosses the sex organs are present in the

• a) Leafy stage
• b) Sporophytic stage
• c) Protonema stage
• d)  None of these

Answer: Leafy stage

Question: Antherozoids represent

• a) Motile male gametes
• b) Photosynthetic sporophyte
• c) Male gametophyte
• d) Female gametophyte

Answer: Motile male gametes

Question: In pteridophytes, spores germinate to give rise to

• a) Prothallus
• b) None of these
• c) Protonema
• d) Leafy stage

Answer: Prothallus

Question: In Selaginella the embryo develops into

• a) Sporophyte
• b) Archegonium
• c) Antheridium
• d) Gametophyte

Answer: Sporophyte

Question: In pteridophytes, the megaspore germinates to form

• a) Female gametophyte
• b) Seed
• c) Embryo
• d) Pollen grain

Answer:  Female gametophyte
 

Question:  The development of young embryos of pteridophytes within the female gametophytes is a precursor to the

• a) Seed habit
• b) Parasitic habit
• c) Autotrophic habit
• d) Aquatic habit

Answer: Seed habit

Question: Which of the following possess vascular tissues but lacks seeds?

• a) Ferns
• b) Liverworts
• c) Volvox
• d) Mosses

Answer: Ferns

Question: The main plant body is differentiated into true root, stem and leaves in

• a) Pteridophytes
• b) Blue green algae
• c) Bryophytes
• d) Green algae

Answer: Pteridophytes

Question: Evolutionarily, the first terrestrial plants to possess vascular tissues are

• a) Pteridophytes
• b) Brown algae
• c) Bryophytes
• d) Green algae

Answer: Pteridophytes

Question: In pteridophytes, fusion of gametes takes place in

• a) Archegonium
• b) Sporangium
• c) Antheridium
• d) External medium

Answer: Archegonium

Question: The first seeded plants are the

• a) Gymnosperms
• b) Bryophytes
• c) Algae
• d) Pteridophytes

Answer: Gymnosperms

Question: Gymnosperms have

• a) Tap root system
• b) Rhizoids
• c) Seeds enclosed within the fruit
• d) Branched stems always

Answer: Tap root system

Question: Which of the following has both the male and female cones on same plant body?

• a) Pinus
• b) Eucalyptus
• c) Ginkgo
• d) Cycas

Answer: Pinus

Question: Which of the following plants possess naked seeds?

• a) Gymnosperms
• b) Bryophytes
• c) Pteridophytes
• d) Angiosperms

Answer: Gymnosperms

Question: The megaspore mother cell is differentiated from one of the cells of the

• a) Nucellus
• b) Pollen grain
• c) Microsporangia
• d) Pteridophytes

Answer: Nucellus

Question: Coralloid roots have a symbiotic association with

• a) Nitrogen-fixing cyanobacteria
• b) Photosynthetic brown algae
• c) Photosynthetic green algae
• d) Fungus

Answer:  Nitrogen-fixing cyanobacteria

Question: The cones bearing microsporophylls are known as

• a) Male strobili
• b) Macrosporangiate
• c) None of these
• d) Female strobili

Answer: Male strobili

Question: Pollen grains are released from

• a) Microsporangium
• b) Archegonium
• c) Macrosporangium
• d) Megaspore mother cell

Answer: Microsporangium

Question: In angiosperms the sporophylls are organised into

• a) Flowers
• b) Seed coats
• c) Fruits
• d) Seeds

Answer:  Flowers

Question: Which of the following angiosperm is almost microscopic?

• a) Wolfia
• b) Acacia
• c) Colocasia
• d) Eucalyptus

Answer: Wolfia

Question: Endosperm of angiosperm is

• a) Triploid
• b) Diploid
• c) Haploid
• d) Tetraploid

Answer: Triploid

Question: Fusion of a male gamete with the secondary nucleus forms the

• a) Endosperm
• b) Seed
• c) Embryo
• d) Zygote

Answer: Endosperm

Question: In angiosperms the female gametophyte is also known as

• a) Embryo sac
• b) Endosperm
• c) Stigma
• d) Nucellus

Answer: Embryo sac

Question: An event unique to angiosperms is

• a) Double fertilisation
• b) Pollination
• c) Spore formation
• d) Sexual reproduction

Answer:  Double fertilisation

Question: _______ functions as landing platform for the pollen grains in flowering plants

• a) Stigma
• b) Ovary
• c) Ovules
• d) Style

Answer: Stigma

Question: Which of the following cells of embryo sac degenerate after fertilisation in angiosperms?

• a) Both
• b) Antipodal cells
• c) Synergids
• d) None of these

Answer: Both

Question: In angiosperms, the megaspore develops into

• a) Embryo sac
• b) Stigma
• c) Ovary
• d) Pollen grain

Answer: Embryo sac

Question: The germination of pollen grain results in the formation of

• a) Pollen tube
• b) Primary endosperm nucleus
• c) Embryo
• d) Polar nuclei

Answer: Pollen tube

Question: Eucalyptus is different from Cedrus in the presence of

• a) Triple fusion
• b) Archegonia
• c) Seeds
• d) Syngamy

Answer: Triple fusion

Question: Cotyledons are

• a) Embryonic leaves
• b) Present in gymnospermic seeds only
• c) Known as primary endosperm nucleus
• d) Modified roots

Answer: Embryonic leaves

Question: Which of the following is not a dicot?

• a) Banana
• b) Acacia
• c) Sunflower
• d) Eucalyptus

Answer: Banana

Question: The diploid sporophyte is dominant in life cycle of

• a) Eucalyptus
• b) Chlamydomonas
• c) Spirogyra
• d) Volvox

Answer: Eucalyptus

Question: Haplo-diplontic condition is exhibited by

• a) Bryophytes
• b) Angiosperms
• c) Gymnosperms
• d) Most algae

Answer: Bryophytes

Question: Haplontic life cycle is represented by

• a) Volvox
• b) Cycas
• c) Selaginella
• d) Salvinia

Answer: Volvox

Question: An alga which exhibits diplontic life cycle is

• a) Fucus
• b) Polysiphonia
• c) Ulothrix
• d) Spirogyra

Answer: Fucus

Question: Sexual system of classification is

• a) Both
• b) Based on stamens characters
• c) Artificial system
• d) None of these

Answer: Both

Question: The Bentham and Hooker’s classification is

• a) Classification of taxa based on actual examination
• b) Phylogenetic system of classification
• c) Based on evolution
• d) Artificial system of classification

Answer: Classification of taxa based on actual examination

Question: The thallus organisation of Volvox is

• a) Colonial and motile
• b) Colonial and nonflagellate
• c) Multicellular and coccoid
• d) Unicellular

Answer: Colonial and motile

Question: Brown algae are quite common in

• a) Temperate sea water
• b) Fresh water habitats
• c) Tropical sea water
• d) None of these

Answer: Temperate sea water

Question: Algae with floridean starch as reserve food material is also characterised by

• a) Nonflagellate nature
• b) Stacked thylakoids
• c) Presence of chlorophyll b
• d) Nonsulphated phycocolloids

Answer: Nonflagellate nature

Question: 100 zygospores, alternate with empty cells in Spirogyra are under ______ conjugation and the total number of daughter filaments formed will be ______

• a) Lateral, 100
• b) Scalariform, 400
• c) Lateral, 400
• d) Scalariform, 100

Answer: Lateral, 100

Question: Algin is a phycocolloid, obtained from the cell wall of

• a) Macrocystis and Fucus
• b) Mastigocladus and Laminaria
• c) Macrocystis and Porphyridium
• d) Microcystis and Nereocystis

Answer:  Macrocystis and Fucus

Question: Which of the following is a red alga that is not red?

• a) Batrachospermum
• b) Gelidium
• c) Polysiphonia
• d) Nemalion

Answer: Batrachospermum

Question: In chlorophyceae, the flagella are

• a) Whiplash type
• b) Basal tinsel, apical whiplash type
• c) Tinsel type
• d) Whiplash and tinsel type

Answer: Whiplash type

Question: Which of the following are useful for curing goitre?

• a) Sea kelps
• b) Diatoms
• c) Red algae
• d) Porphyra

Answer: Sea kelps

Question: Non-motile gametes are characteristically found in

• a) Rhodophyta
• b) Phaeophyta
• c) None of these
• d) Chlorophyta

Answer: Rhodophyta

Question: The female sex organ in red algae is flask-shaped and is known as

• a) Carpogonium
• b) Spermatium
• c) Archegonium
• d) Trichogyne

Answer: Carpogonium

Question:  Some characters of algae are given below

a. Floridean starch
b. Sulphated phycocolloids in cell wall
c. Alginic acid
d. Trumpet hypha
e. Haplodiplontic life cycle
f. Isomorphic alternation of generation
g. Fucoxanthin
h. Phycoerythrin
i. Zygotic meiosis
j. Two anterior flagella
Which of the given set of characters belongs to Laminaria?

• a) c, d, e, g
• b) b, c, d, e, f, g, i
• c) c, d, e, f, g, i
• d) a, b, e, f, h

Answer: c, d, e, g

Question: Bryophytes are not characterised by

• a) Independent sporophyte
• b) Independent gametophyte
• c) Sporophyte parasitic over gametophyte
• d) Absence of vascular tissues

Answer: Independent sporophyte

Question: Stems and leaves of bryophytes are

• a) Analogous to vascular plants
• b) Analogous to algae & fungal thallus
• c) Homologous to vascular plants
• d) None of these

Answer: Analogous to vascular plants

Question: Non-vascular embryophyte with leaves is

• a) Porella
• b) Riccia
• c) Selaginella
• d) Macrocystis

Answer:  Porella

Question:

• a) a, c, f, h
• b) a, c, f, g, h
• c) a, d, f, g
• d) b, d, e, g

Answer: a, c, f, h

Question: In Funaria, 20 chromosomes are present in rhizoids, then the number of chromosome in calyptra, theca and foot will be

• a) 20, 40, 40 respectively
• b) 20, 40, 20 respectively
• c) 40, 20, 20 respectively
• d) 40, 10, 20 respectively

Answer:  20, 40, 40 respectively

Question:

• a) A - Male Marchantia, B - Sphagnum
• b) A - Riccia, B - Marchantia
• c) A - Female Marchantia, B - Sphagnum
• d) A - Marchantia, B - Funaria

Answer: A - Male Marchantia, B - Sphagnum

Question: Algae, bryophytes and pteridophytes resemble with each other in which one of the following feature?

• a) Dependence on water for fertilisation
• b) Presence of embryo
• c) Gametophytic plant body
• d) Haplontic alternation of generation

Answer: Dependence on water for fertilisation

Question: Find correct statement for the prothallus of fern

• a) Monoecious, protandrous with unicellular rhizoides
• b) Monoecious, protandrous with multicellular rhizoides
• c) Dioecious, with unicellular rhizoides
• d) Monoecious, protandrous with apical antheredia and basal archegonia on ventral surface

Answer:  Monoecious, protandrous with unicellular rhizoides

Question: The dominant photosynthetic phase in the life cycle of pteridophyta is equivalent to the

• a) Gametophytic phase of bryophyta
• b) Gametophytic phase of pteridophytes
• c) Sporophytic phase of bryophyta
• d) Gametophytic phase of gymnosperm

Answer: Gametophytic phase of bryophyta

Question: In Pteridophytes, reduction division occurs when

• a) Spores are formed
• b) Prothallus is formed
• c) Sex organs are formed
• d) Gametes are formed

Answer: Spores are formed

Question: The evolutionary advanced features of Selaginella are

(a) Heterospory
(b) Endosporic development of gametophyte
(c) Reduced gametophyte
(d) Localization of sporangium bearing appendages in strobili
(e) Unisexual gametophytes
(f) Fertilization with the help of water

• a) All except (f) is correct
• b) All except (c) is correct
• c) All are correct
• d) All except (e) and (f) are correct

Answer:  All except (f) is correct

Question:

• a) Five
• b) Seven
• c) Six
• d) Nine

Answer: Five

Question:

• a) It is member of sphenopsida
• b) This is commonly called as stonewort
• c) The structure labelled A is male cone
• d) Nodes are hollow while internodes are solid

Answer: It is member of sphenopsida

Question: Member of plantae having endospermic, perispermic, polycotyledonous and winged seeds is also related to

• a) Sulphur shower
• b) Largest ovule
• c) Double fertilization
• d) Placentation

Answer: Sulphur shower

Question: Which one constitutes the dominant vegetation in colder regions?

• a) Gymnosperms
• b) Legumes
• c) Dicots
• d) Monocots

Answer: Gymnosperms

Question:  Which of the given sets are matched correctly?

a. Chondrus - Algin
b. Gracilaria - Agar
c. Cycas - Coralloid root
d. Pinus - Canada balsam
e. Adiantum - Walking fern
f. Lycopodium - Cord moss
g. Cedrus - Independent gametophyte
h. Sequoia - Tallest gymnosperm

• a) b, c, e, h
• b) a, b, c, e, f
• c) b, c, e, g, h
• d) b, c, d, e, g, h

Answer: b, c, e, h

Question: How many generations are present in the seed of gymnosperm?

• a) 3
• b) 4
• c) 1
• d) 2

Answer: 3

Question: Chloroplast of Chlamydomonas is-
(a) Collar—shaped
(b) Spiral
(c) Cup-shaped
(d) Stellate

Answer: C

Question: Which of the following statement is correct?
(a) Paramoecium and Plasmodium belong to the same kingdom as that of Penicillium
(b) Lichen is a composite organism formed from the symbiotic association of an algae and a protozoan
(c) Yeast used in making bread and beer is a fungus
(d) Nostoc and Anabaena are examples of protista

Answer: C

Question: In Spirogyra, meiosis occurs during
(a) Vegetative reproduction
(b) Zoospore formation
(c) Zygospore formation
(d) Gamete formation

Answer: C

Question: Which of the following statement is correct about mycorrhiza?
(a) It is a symbiotic association between fungi and the root of higher plants.
(b) VAM is useful for nitrogen fixation.
(c) Glomus show ectomycorriza
(d) Most of the algae show mycorrhizal association

Answer: A

Question: Select the in correct statement w.r.t. taxonomic aids.
(a) Key is based on set of contrasting characters known as couplet
(b) There is no universally accepted system for the arrangement of herbarium sheets
(c) Flora contains actual account to habitat and distribution of plants of a given area
(d) Monographs contain information on any one taxon

Answer: B

Question: Practical signification of taxonomy is
(a) To classify the organism
(b) To understand diversity
(c) To understand evolution
(d) Identification of unknown organisms

Answer: D

Question: Identify parts labeled ‘A’ and ‘B’ in the given diagram and select the correct option.

(a) Anabaena - A : Heterocyst B : Mucilagenous sheath
(b) Nostoc - A : Heterocyst B : Mucilagenous sheath
(c) Azospirillium- A: Mucilagenous sheath B : Heterocyst
(d) Nostoc - A : Mucilagenous sheath B : Heterocyst

Answer: D

Question: The hyphae of Aspergillus are:
(a) Aseptate and multinucleate
(b) Septate and branched
(c) Aseptate and branched
(d) Septate and unbranched

Answer: B

Question: Conifers differ from grasses in the
(a) Lac of xylem tracheids
(b) Absence of pollen tube
(c) Formation of endosperm before fertilization
(d) Production of seeds from ovules

Answer: C

Question: Following pair of the organism are used for antibiotic production:
(a) Trichoderma and Monaccus
(b) Streptomyces and Penicillium
(c) Lactobacillus and Nitrosomonas
(d) Rhizobium and Streptococcus

Answer: B
 

Question: Prothallus can be defined as a:
(a) Monoecious autotrophic gametophyte found in pteridophytes
(b) Monoecious heterotrophic sporophyte found in bryophyte.
(c) Dioecious autotrophic gametophyte found in bryophyte.
(d) Monoecious heterotrophic sporophyte found in pteridophytes.

Answer : A

Question: Spore producing structure in slime mould is :
(a) Pseudoplasmodium
(b) Plasmodium
(c) Sporangium
(d) Sporophore

Answer : C

Question: Observe and identify the given structure.

(a) Brown –algae
(b) Blue - algae
(c) Red – algae
(d) Green - algae

Answer : B

Question: Identify the correct pair of genus and family.

(a) I 
(b) II 
(c) III 
(d) IV

Answer : D

Question: Which of the following is an incorrect statement?
(a) Brown algae has chlorophyll a, c, and fucoxanthiin
(b) Archegonia are found in bryophyte, pterdophyta and gymnosperm
(c) The red algae usually reproduces vegatatively by fragmentation.
(d) Fusion of two gametes of similar size takes place as in species of Eudorina.
Answer : D

Question: Which of the following matches is correct?
(a) Phytopthora - Aseptate mycelium - Basidiomycetes
(b) Alternania – Sexual reproduction absent - Deuteromycetes
(c) Mucor – Reproduction by conjugation - Ascomycetes
(d) Agaricus – Parasitic fungus - Basidiomycetes

Answer : B

Question: Read the following statement and find out the incorrect statement.
(a) Alage usually reproduce vegetatively by fragmentation, asexually by formation of different types of spores and sexually by formation gametes.
(b) Algae are classified into three classes, pteridophytes into four classes and angiosperms into two classes.
(c) Algae are chlorophyll bearing simple, thallloid, autotrophic and largely aquatic organisms.
(d) The plant body of algae is more differentiated than that of bryophytes.

Answer : D

Question: Rhizoids of Funaria are-
(a) Unicellular, colourless, with oblique septa
(b) Multicellular, colored,with transverse septa
(c) Multicellular, colourless, with oblique septa
(d) Multicellular, colourless, with oblique septa and transverse septa.

Answer : C

Question: Statement I: Diplo-haploidic or haplodiplontic life cycle is characterized by the existence of a sporophyte as well as a gametophyte.
Statement II : Fungi have a haplodiplontic life cycle.
(a) Both the statements are correct
(b) Both the statements are wrong
(c) Statement I is correct and Statement II is wrong.
(d) Statement II is correct and Statement I is wrong.

Answer : C