MCQs Botany-28 Posted on March 9, 2025August 30, 2025Author agropublishers 0 1. ————— is the process of storing, analyzing, and interpreting large amounts of biological data, including genetic sequences, protein structures, and gene expression data Bioinformatics Data science Systems biology Computational biology 2. What is leghemoglobin? A protein that stores nitrogen in plant cells An oxygen-carrying protein in root nodules of legumes, facilitating nitrogen fixation A pigment that absorbs light energy for photosynthesis An enzyme that catalyzes the conversion of atmospheric nitrogen to ammonia 3. In a hypertonic solution, cells undergo ———- Endosmosis Exosmosis None of these Active transport 4. Which hormone helps in breaking seed dormancy? Abscisic acid Cytokinin Ethylene Gibberellin 5. What is the major constituent of the protoplast? Carbon Water Cellulose Oxygen 6. What is the primary source of carbon for plants? None of these Methane Atmospheric CO₂ Soil organic matter 7. ———- is the family name of common cotton plant Solanaceae Poaceae Gramineae Malvaceae 8. ——— is the first steroid hormone group discovered in plants Turgorins Abscisic acid Brassinosteroid Ethylene 9. What is the role of ATP in photosynthesis? Water splitting Oxygen production Carbon fixation Energy transfer 10. Tocopherols are a class of lipid-soluble compounds that are commonly referred to as ———- Vitamin E Vitamin A Vitamin C Vitamin D Loading …
