MCQ’S ON PTERIDIUM PTERIS DRYOPTERIS
1. In Dryopteris the dehiscence of sporangium is controlled by
(a) Indusium
(b) Sorus
(c) Tapetum
(d) Annulus
Answer: (d)
2. Pick the incorrect statement
(a) Antheridia develop on ventral surface of prothallus
(b) Archegonia has one binucleate neck canal cell
(c) Antherozoids are sickle-shaped and multi flagellate
(d) Mature archegonia secretes maleic acid
Answer: (c)
3. In this portion of the Dryopteris (fern plant), the stele is arranged in the form of a ‘C’
(a) Old Rachis
(b) Rhizome
(c) Lamina
(d) Young Rachis
Answer: (d)
4. The differentiating factor between Pteris and Funaria is in having
(a) swimming antherozoids
(b) an independent gametophyte
(c) dependant sporophyte
(d) dominant sporophytic phase
Answer: (d)
5. The opening mechanism in Dryopteris of sporangium is functional by
(a) Annulus
(b) Stalk
(c) Stomium
(d) None of the above
Answer: (c)
6. The sori in Pteris are
(a) reniform and discontinuous
(b) vermiform and discontinuous
(c) circular and discontinuous
(d) linear and continuous
Answer: (d)
7. The common aspect of two distinct generations in a single life history is observed in
(a) Spirogyra
(b) Mango
(c) Pteris (Dryopteris)
(d) Bacillus
Answer: (c)
8. Meiosis in Dryopteris/Pteridophytes occurs at this time
(a) formation of sex organs
(b) formation of spores
(c) formation of prothallus
(d) formation of gamete
Answer: (b)
9. Alternation of generation is distinctly found in
(a) Viruses
(b) Bacteria
(c) Rhizopus
(d) Pteris (Fern)
Answer: (d)
10. The condition of monoecious is found in
(a) Pteridium
(b) Pinus
(c) Selaginella
(d) Cycas
Answer: (a)
MCQ’S ON SELAGINELLA
1. Division to which Selaginella belongs is
(a) Psilopsida
(b) Pteropsida
(c) Lycopsida
(d) Spenopsida
Answer: (c)
2. The character that Selaginella possesses which is of evolutionary significance is
(a) Strobilus
(b) Heterospory
(c) Seed
(d) Ligule
Answer: (b)
3. This statement regarding Selaginella is incorrect
(a) Endodermis is trabeculated
(b) Vascular cylinder is protostelic
(c) Few species of Selaginella are truly xerophytic
(d) Selaginella is commonly distributed on plains and hills
Answer: (d)
4. In this species of Selaginella, the apex continues its vegetative growth beyond the formation of strobilus
(a) S.cuspidata
(b) S.helvetica
(c) S.rupestris
(d) None of the above
Answer: (a)
5. This is uncommon in Selaginella and Funaria
(a) Embryo
(b) Roots
(c) Archegonium
(d) Motile sperms
Answer: (b)
6. The presence of ________ anatomically characterizes the stem of Selaginella
(a) Protostele
(b) Amphiphloic siphonostele
(c) Siphonostele
(d) Ectophloic siphonostele
Answer: (a)
7. This characterizes the presence of Selaginella
(a) Ligule
(b) Homospory
(c) Flowers
(d) None of these
Answer: (a)
8. Male gametes in Selaginella are
(a) Multiflagellated
(b) Biflagellated
(c) Monoflagellated
(d) Aflagellated
Answer: (b)
9. Stele of Selaginella stem is
(a) Eustelic
(b) Solenostelic
(c) Protostelic
(d) Dictyostelic
Answer: (c)
10. This is the innermost layer of sporangium of Selaginella
(a) Tapetum
(b) Synangium
(c) Elaters
(d) None of these
Answer: (a)
