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