851. Equistem is an example of___________?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Prteropsida
852. Bryophtes are called amphiabians of plant world because:
A. Bryophytes like amphibian ancestors are one of the most primitive organisms in this world.
B. Bryophytes like amphibian live in damp shady places and close to water body.
C. Amphibians have close relation with bryophytes in their habitat.
D. All of these
853. Today the land habitat is dominated by__________________?
A. Fungi
B. Gymnosperms
C. Angiosperms
D. Tracheophytes
854. Hornwarts are included in sub-class of __________?
A. Anthoceropsida
B. Bryopsida
C. Hepaticopsida
D. Psilopsida
855. Of the following which one is not the characteristic of the plants included in psilopsida_____________?
A. Gametophyte is colourless
B. They have mycorrhizal association
C. Rhizoids bear Rhizome
D. Aerial branches have veinless outgrowths
856. Horsetails are included in class of____________?
A. Sphenopeida
B. Lycopsida
C. Psilopsida
D. Pteropsida
857. Megaphylls are characteristic for____________?
A. Ferns
B. Seed plants
C. Both of these
D. None of these
858. In bryophytes fertilization takes place in___________?
A. Antheridia
B. Archegonia
C. water
D. Ovule
859. The dichotomously branching system has shape similar to________________?
A. U
B. R
C. Y
D. Fork
860. Which of the following statement about alternation of generation in bryophytes is incorrect?
A. It involves alternation of morphologically different generations
B. Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.
C. Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
D. Spore formation occurs through meiosis