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