MCQs Botany-10 Posted on 2024-07-042024-11-08Author admin 0 MCQs Botany-10 1. What is the advantage of cross-pollination? More reliable seed production Increases genetic diversity Requires less energy Produces larger flowers 2. In plant deficiencies in certain minerals can cause———— Stronger cell walls Increased photosynthesis rate Discoloration of leaves Faster transpiration 3. ——– leaf venation has a single main vein (midrib) running down the center Reticulate Net-like Dichotomous Parallel 4. The ————- greatly enhances the ability of plant leaves to perform photosynthesis efficiently Size of the stomata Thickness of the cuticle Number of veins Arrangement of the mesophyll cells 5. Which of the following nitrogenous bases are found in RNA? Adenine, Thymine, Cytosine, Uracil Uracil, Guanine, Cytosine, Adenine Adenine, Thymine, Guanine, Uracil Thymine, Guanine, Cytosine, Adenine 6. The process by which flowers respond to changes in water availability is called —- Hydromorphosis Hydrogenesis Hydrotropism Hydroregulation 7. ——- is the arrangement of leaves on a stem Leaf arrangement Leaf morphology Phyllotaxis Venation 8. A ——- is the stalk that connects an individual flower within an inflorescence to the main stalk of the inflorescence Peduncle Receptacle Pedicel Stalk 9. The waxy coating on some fruits helps to: Enhance photosynthesis Attract pollinators Increase water loss Reduce water loss and spoilage 10. Heterospary is a characteristic of ————- Ulva Selaginella Lycopodium Equisetum Loading …