Q2. Which of the following statements about Phaeophyceae is incorrect?A. Phaeophyceae possess chlorophyll a, c, carotenoids, and xanthophylls.B. Their vegetative cells contain a centrally located vacuole and nucleus.C. Phaeophyceae include forms like Dictyota and Fucus.D. Phaeophyceae are unicellular algae with no multicellular forms.
Q3. Which of the following statements about pteridophytes is incorrect?A. Pteridophytes are the first terrestrial plants with xylem and phloem.B. The gametophytes in pteridophytes require cool, damp, shady places to grow.C. Pteridophytes produce naked seeds after fertilization.D. Some pteridophytes, like Selaginella, are heterosporous.
Q4. Which of the following statements about Rhodophyceae is incorrect?A. Rhodophyceae contain chlorophyll a, d, and phycoerythrin.B. Carrageen is a hydrocolloid produced by red algae.C. Rhodophyceae have flagella in their reproductive structures.D. Their sexual reproduction involves complex post-fertilization developments.
Q5. Which structure anchors the thallus to the substrate in bryophytes?A. RootsB. RhizoidsC. ProtonemaD. Gemma cups
Q6. Which of the following pteridophytes produces two types of spores (heterospory)?A. LycopodiumB. SelaginellaC. PterisD. Adiantum
Q7. Which of the following statements about algae is correct?A. Algae are exclusively marine organisms.B. Algae reproduce only by vegetative methods.C. Algae contribute significantly to global carbon dioxide fixation.D. Algae lack chlorophyll and are heterotrophic.
Q8. What is the term for the multicellular structure that produces eggs in bryophytes and pteridophytes?A. AntheridiumB. ArchegoniumC. ProtonemaD. Gemma cup
Q9. Which of the following statements about pteridophytes is correct?A. Pteridophytes are aquatic plants with no terrestrial forms.B. Sporophylls in some pteridophytes form compact structures called strobili.C. The gametophyte in pteridophytes is the dominant phase.D. Pteridophytes lack sporangia for spore production.
Q10. Which class of algae is characterized by cup-shaped chloroplasts?A. RhodophyceaeB. PhaeophyceaeC. ChlorophyceaeD. Xanthophyceae