Q.1
Which of the following is incorrect about haplontic life cycle?
  • a) Gametophytes are the dominant phase in this life cycle
  • b) Sporophytes are free-living
  • c) Spores are haploid in nature and form gametophyte by mitotic division
  • d) Zygote acts as sporophyte
Q.2
Which among the following life cycle suits Chlamydomanas?
  • a) Haplontic
  • b) Diplontic
  • c) Triplontic
  • d) Haplo-diplontic
Q.3
Which among the following is incorrect about diplontic life cycle?
  • a) Sporophyte is the dominant phase
  • b) All spermatophytes exhibit diplontic life cycle
  • c) Gametophyte depends on the sporophyte
  • d) Sporophyte depends on Gametophyte for their food
Q.4
Which among the following life cycle is exhibited by a rose plant?
  • a) Haplontic
  • b) Diplontic
  • c) Triplontic
  • d) Haplo-diplontic
Q.5
Gametophytes in plants that exhibit diplontic life cycle may be heterotrophic, autotrophic or saprophytic.
  • a) True
  • b) False
Q.6
Which among the following is incorrect about Haplo-diplontic life cycle?
  • a) In this life cycle, both sporophytic phase and gametophytic phase have equal life time
  • b) Both sporophytic and gametophytic phases are multi-cellular and have independent existence
  • c) This kind of life cycle is exhibited by Pteridophytes and Bryophyte
  • d) Ectocarpus exhibits haplo-diplontic life cycle
Q.7
Haploid cells undergo mitosis and diploid cells undergo meiosis to form plant body.
  • a) True
  • b) False
Q.8
Which among the following life cycle is exhibited by Fucus?
  • a) Diplontic
  • b) Haplontic
  • c) Triplolntic
  • d) Haplo-diplontic
Q.9
Which among the following life cycle is exhibited by Polysiphonia?
  • a) Diplontic
  • b) Haplontic
  • c) Triplolntic
  • d) Haplo-diplontic
Q.10
Which among the following is incorrect?
  • a) In bryophytes, haploid gametophyte is the dominant phase
  • b) In Volvox, haploid gametophyte is the dominant phase
  • c) In Spirogyra, diploid Sporophyte is the dominant phase
  • d) In Pappaya, haploid gametophyte is the dominant phase
0 h : 0 m : 1 s