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