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