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