Скачать или смотреть Exercise class 9 science chapter 6 classification of plants।Question answer classification of plants

Exercise class 9 science chapter 6 classification of plants, Question answer classification of plants, Class 9 science, Class 9 science and technology, Std 9 science chapter 9, Match the proper terms from columns A and C with the description in column B. 2. Complete the sentences by filling in the blanks and explain those statements. (angiosperms, gymnosperms, spore, bryophyta, thallophyta, zygote) a. .................... plants have soft and fibre-like body. b. .................... is called the ‘amphibian’ of the plant kingdom. c. In pteridophytes, asexual reproduction occurs by .................... formation and sexual reproduction occurs by ....................formation. d. Male and female flowers of ....................are borne on different sporophylls of the same plant. 3. Answer the following questions in your own words. a. Write the charateristics of subkingdom Phanerogams. b. Distinguish between monocots and dicots. c. Write a paragraph in your own words about the ornamental plants called ferns. d. Sketch, label and describe the Spirogyra. ‘A’ ‘B’ ‘C’ Thallophyta Seeds are formed in fruits. Fern Bryophyta No natural covering on seeds. Cycas Pteridophyta These plants mainly grow in water. Tamarind Gymnosperms These plants need water for reproduction. Moss Angiosperms Tissues are present for conduction of water and food Algae 1. Sketch the diagrams of the plants mentioned in the lesson with the help of the drawing software in the computer. 2. Using those sketches, prepare a power point presentation about plant classification and present it in the class. e. Write the characteristics of the plants belonging to division Bryophyta. 4. Sketch and label the figures of the following plants and explain them into brief. Marchantia, Funaria, Fern, Spirogyra. 5. Collect a monocot and dicot plant available in your area. Observe the plants carefully and describe them in scientific language. 6. Which criteria are used for the classification of plants? Explain with reasons. Project : a. Collect more information about plant classification from the internet, prepare a talk of about 5 to 7 minutes on that topic and present it in school during assembly. b. Prepare an album of moncot and dicot seeds and display it in the classroom. c. Collect photographs of 5 plants each of the Thallophyta, Bryophyta and Pteridophyta divisions and write a description of each. Using ICT: ²
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