MCQs Botany-9 Posted on 2024-06-302024-11-08Author admin 0 MCQs Botany-9 1. Which adaptation helps bryophytes conserve water? Cuticle Rhizoids Stomata All of these 2. Ozone-depleting substances include —————–. Carbon dioxide Methane Chlorofluorocarbon and chlorohydrocarbon Sulfur oxide 3. During the —— period, gymnosperms dominated on earth Carboniferous Triassic Devonian Permian 4. How do bryophytes typically obtain water and nutrients? Through stomata Through vascular tissue Through roots Directly from the environment via diffusion 5. —————- is also called free water in soil Gravitational water Capillary water Hygroscopic water None of these 6. What is the main characteristic of bryophytes? Seed production Non-vascular tissue Vascular tissue Flower production 7. There are total ——— essential elements are required for normal plant growth 9 17 20 12 8. Which photosynthetic pigment has the molecular formula C35H30MgN4O5? Chlorophyll c Phycocyanin Chlorophyll b Chlorophyll a 9. Which pigment is primarily responsible for the green color in plants and algae? Anthocyanins Carotenoids Chlorophyll a Phycobilins 10. ————- is the remains of ancient plants and animals that are converted into fossil fuels Biomass Sediment Kerogen Humus Loading …