Kingdom Plantae (Metaphyta) MCQ (Multiple Choice Questions and Answers)
Question 1 : Unicellular green alga is
A) Ulothrix
B) Spirogyra
C) Chlamydomonas
D) All the above
Answer : C
Question 2 : The colour of red snow is due to
A) Chlamydomonas snowiae
B) Chlamydomonas nivalis
C) Both A and B
D) None of the above
Answer : B
Question 3 : Pyrenoids store food as
A) Glycogen
B) Fats
C) Oil globules
D) Starch
Answer : D
Question 4 : Thin-walled resting spores produced by Chlamydomonas in dry conditions of environment are
A) Meiospores
B) Alpanospores
C) Hypnospores
D) Zygospores
Answer : B
Question 5 : A motile flagellate asexual spore is known as
A) Zoospore
B) Zygospore
C) Tetraspore
D) Zygote
Answer : A
Question 6 : During zoospore formation Chlamydomonas
A) Develops a very thick wall
B) Loses the choloroplast
C) Loses flagella
D) All the above
Answer : C
Question 7 : During favorable conditions, the most common mode of multiplication in Chlamydomonas is by producing
A) Gametes
B) Zoospores
C) Aplanospores
D) Hypnospores
Answer : B
Question 8 : The gametangia and sporangia of Ulothrix are
A) Jacketed and multicellular
B) Non-jacketed and unicellular
C) Non-jacketed and multicellular
D) Jacketed and unicellular
Answer : B
Question 9 : An important difference between the zoospores and aplanospores is that
A) Aplanospores are uninucleate while zoospores are binucleate
B) Aplanospores are smaller while zoospores are larger
C) Aplanospores are non-motile while zoospores are motile
D) None of the above
Answer : C
Question 10 : Phycobilins absorb light of wavelength
A) 670 – 700 nm
B) 610 – 650 nm
C) 500 – 650 nm
D) 420 – 520 nm
Answer : C
Question 11 : Irish Moss is
A) Chondrus
B) Bryum
C) Sphagnum
D) Cladonia
Answer : A
Question 12 : A Chlamydomonas plant is left exposed in mud. What would be its means of survival?
A) Formation of aplanospores
B) Palmella stage
C) Formation of hypnospores
D) All the above
Answer : B
Question 13 : Chlamydomonas shows
A) Isogamy
B) Anisogamy
C) Oogamy
D) All the above
Answer : D
Question 14 : In isogamous species, the gametes of Chlamydomonas undergo temporary clustering before they depart in pairs. The phenomenon is called
A) Gametic differentiation
B) Clumping
C) Homothallism
D) Parthenogenesis
Answer : B
Question 15 : In Chlamydomonas the term hologamy is applied to a mode of sexual reproduction in which
A) Gametes are motile
B) Gametes are holozoic
C) The young unicellular thalli directly behave as gametes
D) The gametes are differentiated into male and female.
Answer : C
Question 16 : Oogamy is found in
A) Chlamydomonas eugametos
B) C. monoica
C) C. coccifera
D) Both A and B
Answer : C
Question 17 : Palmellaspores are produced during
A) Favourable conditions
B) Any type of unfavourable conditions
C) Deficiency of water or presence of toxic chemicals
D) None of the above
Answer : C
Question 18 : Chloroplast of Chlamydomonas is
A) Cup shaped
B) Star shaped
C) Ribbon shaped
D) Lamellate
Answer : A
Question 19 : Life cycle in Chlamydomonas/Ulothrix/Spirogyra is
A) Diplontic
B) Diplohaplontic
C) Haplontic
D) None of the above
Answer : C
Question 20 : Red eye spot of certain green algae or their propagules is meant for
A) Photosynthesis
B) Photosensitivity
C) Visibility
D) Respiration
Answer : B
Question 21 : In addition to reproduction, zygospore also helps in
A) Perennation
B) Dispersal
C) Genetic variability
D) All the above
Answer : D
Question 22 : Spirogyra filaments increase in length due to division in
A) Basal cells
B) Rhizoidal cell
C) Every green cell
D) Apical cell
Answer : C
Question 23 : Meiosis takes place in Chlamydomonas in
A) Zygospore
B) Zoospore
C) Hypnospore
D) Aplanospores
Answer : A
Question 24 : Spirogyra is found in
A) Running fresh water
B) Stagnant salt water
C) Stagnant fresh water
D) None of the above
Answer : C
Question 25 : Spirogyra is called pond silk because
A) Filaments are made up of silk
B) Filaments are slippery to touch
C) Both A and B
D) None of the above
Answer : B
Question 26 : Spirogyra has chloroplast with shape
A) Ribbon-like and spiral
B) Cup shaped
C) Stellate
D) Spiral
Answer : A
Question 27 : Maximum number of chloroplasts in a single cell of Spirogyra is
A) Four
B) Sixteen
C) One
D) Six
Answer : B
Question 28 : Spirogyra belongs to the class of
A) Rhodophyceae
B) Cyanophyceae
C) Xanthophyceae
D) Chlorophyceae
Answer : D
Question 29 : A parasitic green alga is
A) Chloreila
B) Ulva
C) Cladophora
D) Cephaleuros
Answer : D
Question 30 : The cell of Spirogyra differs from that of Chlamydomonas in
A) Presence of cellulose cell wall
B) Presence of central vaculoe
C) Both A and B
D) Presence of chloroplasts
Answer : C
Question 31 : Red rust of Tea is caused by
A) Puccinia
B) Ustilago
C) Cephaleuros
D) Harveyella
Answer : C
Question 32 : The nucleus of Spirogyra cell lies
A) Suspended in central vacuole
B) Embedded in cytoplasm
C) Just near the cell membrane
D) In contact with the chloroplast
Answer : A
Question 33 : The fusing gametes of Spirogyra are
A) Morphologically similar and physiologically dissimilar
B) Morphologically as well as physiologically similar
C) Morphologically dissimilar but physiologically similar
D) Morphologically as well as physiologically dissimilar
Answer : A
Question 34 : All algae have two photosynthetic pigments in common
A) Chlorophyll a and chrolophyll b
B) Chlorophyll b and carotenes
C) Chlorophyll a and carotenes
D) Phycobilins and carotenes
Answer : C
Question 35 : Scalariform conjugation of Spirogyra occurs in
A) Monoecious species
B) Dioecious species
C) Usually in dioecious species and some times in monoecious
D) Equally frequent in monoecious and dioecious species
Answer : D
Question 36 : Mode of sexual reproduction in Spirogyra is
A) Isogamous
B) Anisogamous
C) Heterogamous
D) Oogamous
Answer : A
Question 37 : Fusion between dissimilar gametes is
A) Autogamy
B) Isogamy
C) Allogamy
D) Dichogamy
Answer : C
Question 38 : In scalariform conjugation of Spirogyra the fusing gametes are derived from
A) Same filament
B) Two different filaments
C) Both A and B
D) Only one filament is involved in the process
Answer : B
Question 39 : In brown algae, the motile stages have flagella inserted
A) Anteriorly
B) Laterally
C) Posteriorly
D) Both A and B
Answer : B
Question 40 : The male gamete in Spirogyra is
A) Motile but aflagellate
B) Motile and flagellate
C) Nonmotile and flagellate
D) Multinucleate
Answer : A
Question 41 : Which of the following is not correct about Spirogyra
A) Each cell of the filament is vegetative as well as reproductive
B) It is a gametophyte
C) The zoospores are produced during asexual reproduction
D) Sexual reproduction is physiological anisogamous
Answer : C
Question 42 : The zygospore of Spirogyra produces
A) Four meiospores
B) A single filament
C) Four filaments
D) A large number of spores each of which produces a filament
Answer : B
Question 43 : The most common mode of reproduction in Spirogyra is
A) Conjugation
B) Aplanospore formation
C) Fragmentation
D) All the above
Answer : C
Question 44 : An edible rhodophyte is
A) Polysiphonia
B) Batrachospermum
C) Porphyra
D) Corallina
Answer : C
Question 45 : Meiosis in Spirogyra occurs at the time of
A) Zoospore formation
B) Gamete formation
C) Akinete formation
D) Germination of zygospore
Answer : D
Question 46 : Which one is not connected with spore dispersal in Funaria
A) Foot
B) Annulus
C) Seta
D) Peristome
Answer : A
Question 47 : Which one is a kelp
A) Batrachospermum
B) Ulothrix
C) Macrocystis
D) Dictyota
Answer : C
Question 48 : Main plant of Funaria belongs to phase
A) Polypoid
B) Diploid
C) Triploid
D) Haploid
Answer : D
Question 49 : Sporogonium of Funaria is dependent on gametophyte
A) Fully
B) For food only
C) Partially for water and minerals
D) None of the above
Answer : C
Question 50 : The moss plants are characterised by
A) Presence of stem and leaves
B) Absence of vascular tissue
C) A filamentous juvenile gametophyte
D) All the above
Answer : D