CBSE Questions for Class 11 Medical Biology Plant Kingdom Quiz 1 - MCQExams.com

The common features between Chara and Marchantia are?
  • Dioecious
  • Flagellated antherozoids
  • Jacketed sex organs
  • Protogynous
  • Female sex organ is nucule or oogonium
Spore dissemination in some liverworts is aided by 
  • Peristome
  • Elaters
  • Calyptra
  • Indusium
Which one of the following algae has the potential to be an important source of edible protein?
  • Spirulina
  • Porphyra
  • Cephaleuros
  • Spirogyra
Which of the following is coenocytic?
  • Vaucheria
  • Pseudomonas
  • Chlamydomonas
  • All of the above
Pyrenoids are commonly found in
  • Red algae
  • Green algae
  • Brown algae
  • Blue green algae
Megasporophyll of gymnosperms is homologous to ______ of angiosperms.
  • stamen
  • carpel
  • sepal
  • petal
Which one of the following is a parasitic algae?
  • Vaucheria
  • Polysiphonia
  • Cephaleuros
  • Batrachospermum
Which one of the following is heterosporous?
  • Adiantum
  • Equisetum
  • Dryopteris
  • Salvinia
Identify the pair, that exhibit circinate vernation.
  • Psilotum and Riccia
  • Equisetum and Selaginella
  • Nephrolepis and Cycas
  • Riccia and Nephrolepis
Which one of the following statements is wrong?
  • Agar-agar is obtained from Gelidium and Gracilaria.
  • Laminaria and Sargassum are used as food.
  • Algae increase the level of dissolved oxygen in the immediate environment.
  • Algin is obtained from red algae, and carrageenan from brown algae.
An example of colonial alga is:
  • Spirogyra
  • Chlorella
  • Volvox
  • Ulothrix
Zygotic meiosis is a characteristic of:
  • Chlamydomonas
  • Marchantia
  • Fucus
  • Funaria
  • Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
  • Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
  • Assertion is correct but Reason is incorrect.
  • Both Assertion and Reason are incorrect.
Cycas have two cotyledons but not included in angiosperms because of
  • Naked ovules
  • Seems like monocot
  • Circinate ptyxis
  • Compound leaves
.......... is a source of additional fuel through carbohydrates.
  • Algae
  • Bacteria
  • Protozoa
  • Fungi
Agar agar is derived from
  • A fungi
  • An alga
  • Both A and B
  • A bryophyte
Amongst the following which is obtained from algae?
  • Chocolate
  • Wax
  • Butter
  • Agar-agar
In Cycas, stamens are represented by
  • Microsporangial sori
  • Microsporangia
  • Microsporophylls
  • Male cones
Green algae belong to 
  • Charophyta
  • Phaeophyta
  • Chlorophyta
  • Chrysophyta
Irish Moss is
  • Chondrus
  • Bryum
  • Sphagnum
  • Cladonia
Spirogyra belongs to the class
  • Rhodophyceae
  • Cyanophyceae
  • Xanthophyceae
  • Chlorophyceae
Cycas stem shows
  • Porous wood
  • Manoxylic wood
  • Pycnoxylic wood
  • Ring porous wood
A living fossil is
  • Pinus
  • Ephedra
  • Cedrus
  • Cycas
Coralloid roots of cycas are normally inhabited by ______________.
  • Blue green algae
  • Green algae
  • Nitrogen fixing bacteria
  • Sulphur bacteria
Which of the following statements is true about bryophytes?
  • The sporophyte is dependent on gametophyte for support, shelter and nutrition
  • The sporophyte is haploid
  • The gametophyte is diploid
  • The gametophyte is dependent on sporophyte for support, shelte and nutrition
Mannitol (sugar alcohol) is the stored food in
  • Chara
  • Porphyra
  • Fucus
  • Gracilaria 
Who is popularly known as the 'Father of Phycology'?
  • Fritsch
  • Papenfus
  • Smith
  • Morris
Agar-agar is obtained from
  • Gigartina
  • Gelidium
  • Gracilaria
  • All of the above
Seeds are found in________.
  • Angiosperm
  • Bryophyta
  • Pteridophyta
  • Algae
In which of the following taxonomy, equal weightage is given to each of thousands of characters that a taxon exhibits?
  • Classical
  • Chemotaxonomy
  • Numerical taxonomy
  • Alpha taxonomy
Phenetic classification of organisms is based on
  • Dendrogram based on DNA characteristics.
  • Sexual characteristics.
  • Observable characteristics of existing organisms.
  • The ancestral lineage of existing organisms.
Who is regarded as the "Father of Indian Phycology"?
  • Prof. M. O. P. lyenger
  • Prof. J. N. Mishra
  • Prof R. R Mishra
  • Prof. R. N. Singh
Select the correct combination of the statements (A-D)
regarding the characteristics of certain organisms
Methanogens are Archaebacteria which produce methane in marshy areas

Nostoc is a filamentous blue-green algae which fixes atmospheric nitrogen

Chemosynthetic autotrophic bacteria synthesize cellulose from glucose

Mycoplasma lack a cell and can survive without
oxygen

The correct statements are


  • (B), (C)
  • (A), (B), (C)
  • (B), (C), (D)
  • (A), (B), (D)
Phycology is the study of
  • Algae
  • Fungi
  • Bacteria
  • All the above
Which of the following contains xylem vessels?
  • Bryophyta
  • Pteridophyta
  • Both A and B
  • Angiosperms
The pigment phycoerythrin is characteristic of
  • Green algae
  • Brown algae
  • Red algae
  • Blue green algae
Both chlorophyll a and b are present in
  • Rhodophyceae
  • Phaeophyceae
  • Chlorophyceae
  • None of the above
Which of the following is a flagellated algae?
  • Chlamydomonas
  • Ulothrix
  • Spirogyra
  • Acetabularia
Gametes formed by meiosis are called as
  • Coenogametes
  • Meiogametes
  • Mitogametes
  • None of the above
Iodine is obtained from the members of
  • Green algae
  • Brown algae
  • Red algae
  • Blue-green algae
Sporophytic generation is represented by zygote only in
  • Funaria
  • Chlamydomonas
  • Pinus
  • Selaginella
Which among the following do you consider as the best evidence to show that two species of algae are closely related?
  • They both respire and release CO$$_{2}$$.
  • They both are found in the same habitat.
  • They both reproduce asexually.
  • They both have same type of pigments.
Alga rich in protein is
  • Chlorella
  • Spirogyra
  • Oscillatoria
  • Ulothrix
Alginic acid is obtained from
  • Red algae
  • Green algae
  • Diatoms
  • Brown algae
Floridean starch is found in
  • Chlorophyceae
  • Rhodophyceae
  • Myxophyceea
  • Cyanophages
Which of the following form contain algae?
  • Equisetum
  • Selaginella
  • Marsilea
  • None of the above
Algae differ from Bryophyta in possessing
  • Naked sex organs
  • Sex organs covered with sterile covering
  • Chlorophyll a and b
  • Aerobic respiration
Sexual reproduction in algae results in the formation of
  • Oospore
  • Zoospore
  • Zygote
  • Zygospore
Pyrenoids are characteristically found in the chloroplast of
  • Fungi
  • Algae
  • Pteridophytes
  • Angiosperms
All cells of sex organs can form gametes in
  • Algae
  • Bryophyta
  • Pteridophyta
  • Gymnosperm
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