Mind maps or Concept Maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flo...
Mind maps or Concept Maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important concepts ...
Mind maps or Concept Maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important co…Full description
Mind maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important concepts in the chapter l...
Mind maps or Concept Maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important concepts ...
Mind maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important concepts in the chapter l...
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Mind maps or Concept Maps are acknowledged as scientific & effective learning tool worldwide. They give a snapshot of each chapter, presented in a flow chart that highlights the important concepts ...
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Central Board of Secondary Education (CBSE) Board Examination Question Papers for Class 12 for Biology Subject. For All CBSE Board Question Papers for Class 12 of 2014 Year visit: http://schools...
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BIOLOGY Concept Maps Class VII (Foundation) Soil Nutrition Transportation in plant Nutrition Transportation in plant ADAPTATION
Factors Responsible for formation of soil
Weathering
(Sun, water, wind, living organisms)
Formation of soil
Soil Erosion
Soil Polution
Tilling or Ploughing
Soil Preparation
Levelling
SOIL
Soil Profile
Types of Soil
Soil composition
Organic matter
Some Important Points
Clay and loam are suitable for growing whea Clay soil is used to make pots, toys and statues. Percolation rate (ml by minutes)
Amount of water (ml) Percolation time (min)
Soil water
Soil Air
Mineral matter
The best of soil for growing plants is loam The rotting dead matter is called humus.
Holozoic Photoautotrophs Saprotrophic
Hetrotrophic
Autotrophic Chemo autotrophs
Parasitic MODES OF NUTRITION
NUTRITION IN PLANTS
Photosynthesis
Chloroplast
? NUTRITION
NUTRITION IN ANIMALS
Multi cellular Animals e.g. Human
Unicellular animals e.g. Amoeba
Transportation in plant Complex parmanent issue
From roots to leaves
Water conduction only in upward direction
Xylem
Water conduction
Transpiration
Transpiration cohesion theory
Transportation in plant
Food & Mineral condction
From leaves to all parts of plant
Food conduction in upward and downword both direction
Phloem
Complex parmanent issue
Translocation
Stomatal transpiration
80-90%
Cuticular transpiration
3-9%
Lenticular transpiration
0.1%
IN
A PL
IN
S NT
Aquatic Plant with reduced root system Presence of aerrenchyma Heterophilly in Emergent hydrophytes eg. Hydrilla
Hydrophytes
Xerophytes (Desert Plants) Well developed & deeper root system Leaves convert into spine to reduce transpiration. Stem is modified for photosynthesis.eg. Cactus
Stream line body covered with mucus, Presence of gills, Fins for locomotion. eg. Fish
Aquatic Animals
Desert Animals Hygroscopic skin or other modification to retain water in body. Nocturnal (Active during night) Sandy colour of skin. Concentrate urine and Urecotelic.eg. Camel Polar Animals Thick fur , Blubber beneath the skin Show camoflauge (white skin). Show Hibernation Mainly carnivore Fig. Polar Bear
Amphibian Animals Can live in water as well as on land. Can respire through gills, lungs & Skin also.eg. Frog
Mesophytes Found in the most favourable conditions so there is no need for specific Adaptation, eg. Mango tree
AERIAL
Tropical Rain forest AnimalFound in most favourable conditions. Highly colourful & Diverse forms of life.eg. Butter fly
Fore limbs are modified into wings. Beak & claws present. Hollow bones.eg. Birds
