Lakhmir Singh's Science For Class 7

Lakhmir Singh's Science For Class 7 Lakhmir Singh's Science For Class 7 Sample PDF Download
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Publisher: SChand Publications
ISBN: 9789352530236
Author:
Number of Pages: 321
Availability: In Stock
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or warranty with respect to the accuracy or completeness of the contents of this publication and are selling this publication on the condition and understanding that they shall not be made liable in any manner whatsoever. The publisher and the authors expressly disclaim all and any liability responsibility to any person, whether a purchaser or reader of this publication or not, in respect of anything and everything forming part of the contents of this publication. The publisher and authors shall not be responsible for any errors, omissions or damages arising out of the use of the information contained in this publication. Further, the appearance of the personal name, location, place and incidence, if any in the illustrations used herein is purely coincidental and work of imagination. Thus the same should in no manner be termed as defamatory to any individual.
Lakhmir Singh s Science Class 7
CONTENTS 1. NUTRITION IN PLANTS
1 16
Modes of Nutrition Autotrophs and Heterotrophs Photosynthesis Conditions Necessary for Photosynthesis How to Test the Presence of Starch in Leaves Leaves of Various Colours Importance of Photosynthesis Other Modes of Nutrition in Plants Parasites and Saprophytes Insectivorous Plants and Symbiotic Plants How Nutrients are Replenished in the Soil Cells
2. NUTRITION IN ANIMALS
17 31
Animals Take in Food by Different Methods Human Digestive System To Study the Effect of Saliva on Starch Present in Food Teeth Milk Teeth and Permanent Teeth Tooth Decay Tongue and its Functions Diarrhoea Some Animals Eat Grass as Food Ruminants Digestion in Grass Eating Animals Amoeba Feeding and Digestion
3. FIBRE TO FABRIC
32 41
Animal Fibres Wool and Silk Animals That Yield Wool Sheep, Goat, Yak, Camel, Llama and Alpaca Some Indian Breeds of Sheep Production of Wool Occupational Hazard Sorter s Disease Silk From Silkworms Life History of Silk Moth Production of Silk
Different Varieties of Silk Natural Silk and Artificial Silk Discovery of Silk
4. HEAT
42 63
Hot and Cold Temperature Measuring Temperature Laboratory Thermometer, Clinical Thermometer, Digital Thermometer, and