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