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plant kingdom questions and answers ncert

Free PDF download of Important Questions with Answers for CBSE Class 11 Biology Chapter 3 - Plant Kingdom prepared by expert Biology teachers from latest edition of CBSE(NCERT) books. (iii)Many gymnospersm have medicinal value. To get the accurate and simple solutions to all NCERT exercise questions, read this article. MCQ Biology - Learning Biology through MCQs . (b) Primary endosperm nucleus in a dicot — Triploid Common name — Red algae Its leaves are known as sporophylls and these bear the sporangia. Carrageenan is used as an emulsifier in chocolates, paints, and toothpastes. Common name— Brown algae Cell wall composition — Cellulose and algin soln. Below we provided the link to access the Notes, Important Question & Practice Paper of Class 11 Biology for topic Plant Kingdom. The prothallus bears the male and female sex organs called antheridia and archegonia respectively. Secondary growth is present and annual rings are formed. Chapter 3 "Plant Kingdom" is a continuation of the previous chapter in detail. The dominant phase in the life cycle of Funaria is the gametophyte, which occurs in two stages, the protonema stage and the erect, leafy gametophytic plant. Xylem is exarch. It is obtained from the red algae. (iv)Syngamy and triple fusion. NEET Botany - Mini Question Bank Plant Kingdom questions & solutions with PDF and difficulty level The fresh juice extracted from the Cycas circinalis leaves is used as medicine for stomach disorders, blood vomiting and other skin diseases. (i) Protonema : It is the first, usually branched, green and filamentous structure produced by a germinating moss or fern spore. Question 1: What is the basis of classification of algae? As per previous years’ question papers, this unit alone carries around 7-8 marks. Getting to Know Plants Class 6 MCQs Questions with Answers. Major pigments — Chlorophylls a and c, and fucoxanthin Stored food — Mannitol and laminarin 938 views . Archegonium is with reduced neck (with no neck canal cell). On death and decay these algae give off bad smell. Life cycle of a fern (Dryopteris) Dryopteris is a common fern with pinnately-compound leaves. Franchisee/Partner Enquiry (North) 8356912811. Common name — Green algae (c) Cell wall composition A. Ulothrix. (ii) The differences between homosporous and heterosporous pteridophytes are as follows: Many spores are formed as a result of the reduction division taking place in the capsule of this sporophyte. The young plant comes out of the archegonium of the parent gametophyte. NEET Botany - Mini Question Bank Plant Kingdom questions & solutions with PDF and difficulty level Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Biology for Class 11 so that you can refer them as and when required. Download NCERT Solutions for Class 7 Social Science History Chapter 2 New Kings And Kingdoms. A) Thallophytes done clear. Palisade tissue and spongy parenchyma may be present in mesophyll or it may be undifferentiated. Students can get how to tackle different questions easily by solving the Extra Questions for Class 7 Science Question bank on a regular basis. The leafy gametophyte consists of an upright, slender axis (stem-like) that bears spirally arranged leaves and is attached to the substratum by multicellular, branched rhizoids. – Pollen tube carrying the male gametes grows towards archegonia and discharges its contents near the mouth of the archegonia. Major pigments — Chlorophylls a and b, and phycoerythrin Stored food — Floridean starch Also please like, and share it with your friends! (i)Some species of Cycas like C. revoluta, C. rumphii look like palm tree and are used for decoration purposes as they remain fresh for long period. NCERT Solutions Class 11 Biology Biology Sample Papers. Cell - The unit of Life ( All ) Select Topic. soln. They perform half of the total carbon dioxide-fixation on earth by photosynthesis, acting as the primary producers in aquatic habitats. (i) Heterospory is associated with the sexual differentiation of gametophyte /.

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