MCQs Botany-26 Posted on March 4, 2025August 30, 2025Author agropublishers 0 1. ——- is a cultural method for plant disease control Crop rotation Application of fungicides Use of resistant varieties Biological control 2. Terpenoids are a major component of ———- plants and are used in their chemotaxonomy Tea Rose Citrus Coffee 3. Which group of plants produces seeds but does not have flowers or fruits? Mosses Gymnosperms Bryophytes Pteridophytes 4. Lenticels are involved in———– Food storage Water absorption Gas exchange Mechanical support 5. The plant hormone ——— is primarily responsible for phototropism Cytokinin Auxin Gibberellin Ethylene 6. What is the role of statoliths in gravitropism? To perceive mechanical stimuli To perceive light intensity To perceive water availability To perceive gravitational force 7. Taxonomically, mosses are included in which group of plants? Pteridophytes Gymnosperms None of these Bryophytes 8. Photonasty is a type of nastic movement that involves the opening or closing of plant organs in response to———– Gravitational forces Mechanical stimuli Light intensity Temperature fluctuations 9. The Commelinaceae family is commonly known as the ——— Orchid family Aloe family Spiderwort family Bromeliad family 10. —- is mong the techniques used to study gene expression in plants Serology RT-PCR (Reverse Transcription PCR) ELISA (Enzyme-Linked Immunosorbent Assay) Microscopy Loading …
