Q1. In pteridophytes, which structure directly gives rise to the antheridium and archegonium?A. SporophyteB. ProthallusC. SporeD. Rhizome
Q2. Which among the following is an example of a red alga?A. LaminariaB. PorphyraC. UlothrixD. Chlamydomonas
Q3. Which of the following statements about gymnosperms is incorrect?A. Gymnosperms have thick cuticles to withstand extreme conditions.B. Some gymnosperms have pinnate leaves persisting for years.C. Gymnosperms produce true fruits like angiosperms.D. Examples include Cycas and Cedrus.
Q4. Which of the following statements about Chlorophyceae is incorrect?A. Chlorophyceae are grass-green due to chlorophyll a and b.B. Their cell walls have an inner layer of cellulose.C. Chlorophyceae include unicellular forms like Chlamydomonas.D. Chlorophyceae have unequal lateral flagella like Phaeophyceae.
Q5. Which of the following statements about pteridophytes is incorrect?A. Pteridophytes have leaves that can be microphylls or macrophylls.B. The sporophyte bears sporangia subtended by sporophylls.C. Pteridophytes require water for fertilization due to flagellated antherozoids.D. Heterospory in pteridophytes leads to naked seed formation.
Q6. Which of the following statements about bryophytes is correct?A. Bryophytes have a dominant sporophyte with true vascular tissues.B. The archegonium in bryophytes produces a single egg.C. Bryophytes reproduce asexually only by spores.D. The gametophyte in bryophytes is diploid and spore-producing.
Q8. Which of the following statements about Phaeophyceae is correct?A. Phaeophyceae lack chlorophyll and rely on carotenoids alone.B. Their color varies from olive green to brown due to fucoxanthin.C. Phaeophyceae store food as starch in pyrenoids.D. They reproduce asexually only by non-motile spores.
Q9. Which of the following statements about pteridophytes is incorrect?A. Pteridophytes possess vascular tissues like xylem and phloem.B. The main plant body in pteridophytes is a sporophyte.C. All pteridophytes are homosporous.D. Pteridophytes include ferns and horsetails.
Q10. Which structure forms the pollen tube in gymnosperms for fertilization?A. OvuleB. Male gametophyteC. Female coneD. Microsporangium