MCQs Botany-38 Posted on October 21, 2025December 3, 2025Author agropublishers 0 MCQs Botany-38 1. What is the primary role of Rhizobia in legume roots? Water absorption Nutrient uptake Nitrogen fixation Pathogen defense 2. Hornworts belong to the class ____________ Anthocerotopsida Hepaticopsida Lycopsida Bryopsida 3. Seeds first appeared in the evolutionary history of plants among the _________ Pteridophytes Angiosperms Bryophytes Gymnosperms 4. The family Pinaceae mainly includes _________ plants Cedars and ginkgo None of these Cycads Conifers 5. Double fertilization occurs only in __________ Bryophytes Pteridophytes Gymnosperms Angiosperms 6. ______ are gymnosperms that closely resemble palm trees with their large, feathery leaves and are known for having motile sperm Pinus Taxus Cycas Cedrus 7. What is the dominant generation in Pteridophytes? Sporophyte Seedling Gametophyte Zygote 8. ____________ is the primary objective of the International Seed Federation Trade Rules Implement worldwide pesticide regulations Regulate global agricultural subsidies Harmonize international seed certification and trade standards Establish uniform global planting practices 9. Plant species of Bryophytes lack ____________ Chlorophyll Cell wall Xylem and phloem Spores 10. ABA (abscisic acid) is a derivative of adenine purine True False Loading … Question 1 of 10
