WebAug 3, 2024 · What are PTERIDOPHYTES O The VASCULSAR CRYPTOGAMS O An assemblage of seedless vascular plants that have successfully invaded the land and … WebDetailed Solution for Test: Gymnosperms - 1 - Question 9. Gymnosperms typically have one integument (unitegmic) while angiosperms typically have two (bitegmic). gymnosperms are orthotropous. The zygote develops into an embryo, whereas the ovule matures into a seed and the integument serves as the seed coat.
Life Cycles in Plants: Know Details - Embibe
WebJun 8, 2024 · Characteristics of Gymnosperms. Gymnosperms are seed plants adapted to life on land; thus, they are autotrophic, photosynthetic organisms that tend to conserve water. They have a vascular system (used for the transportation of water and nutrients) that includes roots, xylem, and phloem. The name gymnosperm means “naked seed,” which is … WebJan 17, 2024 · 2. Predominant phase is the diploid (sporophyte) with the prominent haploid phase (gametophyte), as in Pteridophyta. This is called the diplo-haplontic life cycle. 3. Meiosis takes place during spore formation (intermediate meiosis). 4. This pattern of the life cycle is present in all Pteridophytes and in some algae like Ectocarpus ... black chromate kit
Quick Notes on Riccia (With Diagrams) Biology
WebKingdom Plantae includes green, brown and red algae, liverworts, mosses, ferns and seed plants with or without flowers. They have the following characteristics: They are multicellular organisms with walled and … Webvein ending of each bifurcated vein. The young leaves are silvery white in colour and are coiled. from apex downward to form circinate ptyxis. Function : Leaf performs following functions : i) It performs the function of photosynthesis. ii) It removes excess of water by process of guttation and transpiration. Web12. Pteridophyta do not have (a) root (b) stem (c) flowers (d) leaves Soln: Answer is (c) flowers 13. Identify a member of porifera (a) Spongilla (b) Euglena (c) Penicillium (d) Hydra Soln: Answer is (a) Spongilla Explanation: Euglena is a protozoan. Pencillium is a fungi Hydra is a Coelenterata 14. Which is not an aquatic animal? (a) Hydra gallstone disease cks