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