CBSE Questions for Class 11 Medical Biology Plant Kingdom Quiz 18 - MCQExams.com

Heterosporous pteridophytes show certain characteristics, which are precursors to the 'seed habit' in gymnosperms. One such characteristics is
  • presence of vascular tissues
  • external water required for fertilisation
  • presence of embryo stage
  • development of embryo inside the female gametophyte
Match column I with column II and select the correct option from the codes given below.
Column IColumn II
A. Pteris(i) Bryophyte
B. Cedrus(ii) Pteridophyte
C. Sonchus(iii) Gymnosperm
D. Marchantia(iv) Angiosperm
  • A-(ii), B-(iii), C-(iv), D-(i)
  • A-(ii), B-(i), C-(iv), D-(iii)
  • A-(i), B-(iii), C-(iv), D-(ii)
  • A-(iii), B-(iv), C-(ii), D-(i)
Select the correct pattern of arrangement of reproductive structures for gymnosperms.
  • Spores $$\rightarrow$$ Sporophylls $$\rightarrow$$ Sporangia$$ \rightarrow$$ Strobili
  • Spores $$\rightarrow$$ Sporangia $$\rightarrow$$ Sporophylls $$ \rightarrow$$ Strobili
  • Sporangia $$\rightarrow$$ Sporophylls $$\rightarrow$$ Spores $$\rightarrow$$ Strobili
  • Spores $$\rightarrow$$ Sporangia $$\rightarrow$$ Strobili $$\rightarrow$$ Sporophylls
Which of the following organisms requires a medium through which male gametes move?
  • Algae, Bryophyta and Gymnosperm
  • Pteridophyta, and Angiosperm
  • Bryophytea and Pteridophyta only
  • Algae, Bryophyta, and Pteridophyta
Causative agent of red tide is ____________.
  • Dinoflagellate
  • Euglenoid
  • Chrysophyte
  • Lichen
Which of the following is not extinct?
  • Pelycosaurs.
  • Therapsids.
  • Thecodont reptiles.
  • Sphenopsida.
While studying a plant, you discover that it has chlorophyll, no xylem. Its multicellular sex organs are enclosed in a layer of jacket cells. Its gametophyte Stage is free living. The plant probability belongs to ____.
  • Chlorophyceae
  • Bryophyte
  • Pteridophyte
  • Gymnosperm
Select the incorrect statement regarding reproduction in Rhodophyceae.
  • Asexual reproduction occurs by non-motile spores.
  • Sexual reproduction occurs by motile gametes.
  • Sexual reproduction is oogamous.
  • Complex post-fertilisation developmental events occur
The members of Phaeophyceae or brown algae are found primarily in / on
  • freshwater
  • marine habitat
  • terrestrial habitat
  • rock
Spore dispersal in mosses occurs by-
  • Simple mechanism
  • Peristome teeth
  • Elaters
  • Elatophores
The number of division with the plants having vascular is _______.
  • $$4$$
  • $$2$$
  • $$1$$
  • $$3$$
Clayptra develops from_____
  • Ventral wall of oognium
  • Ventral wall of archegonium
  • Outgrowth of gametophyte
  • Neck wall of archegonium
  • Paraphysis of the archegonial branch.
Which one of the following photosynthetic pigment is called bili proteins?
  • Chlorophyll a
  • Chlorophyll b
  • Phycobilin
  • Carotenoids
A group of plants which are autotrophs their sex organs are non- jacketed and whose zygotes secretes thick wall are called :
  • Phycophytes
  • Lichens
  • Bryophytes
  • Thallophytes
Which algae is chew as tobacco in Scotland?
  • Porphyra
  • Rodimenia palmata
  • Chlorella
  • Spirogyra
Which of the following statement is incorrect regarding bryophytes?
  • The female sex organ is flask shaped
  • The antherozoids are released into water
  • The antherozoids are biflagellate
  • Zygote formed undergoes meiosis immediately
Mark the correct statement with respect to the plant diagram given below:
1343199_6f70b5271ec14ab29f80d49a415d25d2.png
  • These show symbiotic association with BGA.
  • These are the fungal hyphae.
  • These are the nodules of legumes. 
  • These are roots of mangroves. 
What is cause of 'forest' decline?
  • Acid loving moss
  • Deforestation
  • Pollution
  • Climate Change
Identify the diagram shown as well as the related right class and name of sex organs and select the right option.

Name of OrganismClass
$$(1)$$AcetabulariaRhodoplayceae
$$(2)$$ChlamydomonasChlorophyceae
$$(3)$$CharaChlorophyceae
$$(4)$$CharaPhaeophyceae

1500136_3a3744ac545344a781110690e14980a2.PNG
  • 1
  • 2
  • 3
  • 4
Arrange the following events of life cycle of bryophytes in correct sequence :-
I. Germination of spore
II. Gametes formation
III. Formation of Gametophyte
IV. Fertilization
V. Embryo formation
  • I, III, IV, V, II
  • II, IV, I, V, III
  • III, II, IV, V, I
  • V, I, II, III, IV
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