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