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