Biology Today — January 2018
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CONTENTS Competition Edge Class XI Class XII Subscribe online atwww.mtg.in 76 30 10 61 34 84 36 72 53 81 10 High Yield Facts-Bot ...
Class XI Analysis of various PMTs from 2013- 2013 2014 2015 2016 2017 AIPMT/NEET 3 5 5 9 3 AIIMS 1 1 1 3 1 AMU 7 5 4 Keral ...
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On the basis of flowering frequency Monocarpic These plants flower and fruit only once in their lifetime. All annual and biennia ...
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Zone of differentiation/maturation Cells in this region are differentiated into permanent tissues (viz. xylem, phloem, pericycle ...
Modications of Roots Roots are primarily meant for anchorage of plant and absorption of water and minerals from soil for their ...
Haustoria or sucking roots They are parasitic and absorb nourishment from host plant, e.g., Cuscuta. Epiphytic roots Thick, irre ...
Branching Patterns of Stem The unbranched stem is called caudex or columnar, e.g., palm, sugarcane, maize. Branching in stem ma ...
Procumbent Branches flat on ground, e.g., Tribulus. Diffused Branches spread in all directions, e.g., Boerhaavia. Decumbent Some ...
Modications of Aerial Stem Aerial stem modifications can be recognised by their – differentiation of nodes axillary position – ...
Underground stem modications Tuber is an oval or spherical underground swollen structure that does not bear adventitious roots, ...
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