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9th Improvement in food Resourcess Biology Study Notes

Chapter : IMPROVEMENT IN FOOD RESOURCES BIOLOGY-STUDY NOTES CLASS 9 INTRODUCTION There is a need to introduce production efficiency of crops and livestock because 1. rapid increase in population 2. No major scope of increasing area of land under cultivation. Increase in food production without degrading our environment   and disturbing the ecological balance i.e. Sustainable Practices are required in agriculture and animal   husbandry. TYPES OF CROPS Cereals: wheat, rice, maize, millets and sorghum. Provide carbohydrates for energy requirements. Pulses: pea, gram, black gram, green gram, pigeon pea and lentil. Provide proteins Oilseeds: soya bean, ground nut, sesame, castor, mustard, linseed and sun flower. Provide necessary  fats. Vegetables, spices and fruits provide vitamins and minerals.  Different crop require different climatic conditions, temperature and photoperiods for their growth  and completion of life cycle. Crops which grown in

Model Question Paper SA-1_204-2015 - Chinmaya Vidyalaya for class 9 and 10

STD-9 SA-1  MODEL   QUESTION PAPER  _Hindi Download File STD-9 SA-1 MODEL QUESTION PAPER _Sanskrit Download File STD-9 SA-1 MODEL QUESTION PAPER _English Download File STD-9 SA-1 MODEL QUESTION PAPER _sst Download File STD-9 SA-1 MODEL QUESTION PAPER _science Download File STD-9 SA-1 MODEL QUESTION PAPER _Maths Download File STD-10 SA-1 MODEL QUESTION PAPER _sst Download File STD-10 SA-1 MODEL QUESTION PAPER _Science Download File STD-10 SA-1 MODEL QUESTION PAPER _Sanskrit Download File STD-10 SA-1 MODEL QUESTION PAPER _Maths Download File STD-10 SA-1 MODEL QUESTION PAPER _Hindi Download File STD-10 SA-1 MODEL QUESTION PAPER _English Download File

DAV Question Papers for class 9 and 10 SA-1 September 2014 - 2015 [U-Like and Oswal]

Click here to download latest DAV Sample Question paper Std. IX Practice Paper  2014 9th English DAV SA-1 Question paper Download File 9th Hindi DAV SA-1 Question paper Download File 9th Mathematics DAV SA-1 Question paper Download File 9th Sanskrit DAV SA-1 Question paper Download File 9th Science DAV SA-1 Question paper Download File 9th social science DAV SA-1 Question paper Download File Std. X  Practice Paper  2014 10th English DAV SA-1 Question paper Download File 10th Hindi DAV SA-1 Question paper Download File 10th Mmathematics DAV SA-1 Question paper Download File 10th Sanskrit DAV SA-1 Question paper Download File 10th Science DAV SA-1 Question paper Download File 10th Social_science DAV SA-1 Question paper Download File Std. VIII Practice Paper  2014 Click below the link for details English   Hindi   Marathi  Mathematics   Sanskrit  Science  

weather climate and adaptation CBSE class 7

Q1. What are the elements of weather? Answer: The elements of weather are humidity, temperature, rainfall, wind speed, etc. Q2. What do you understand by the climate of the place? Answer: The average weather [pattern taken over a long time is called climate of the place. Q3. How are all changes in the weather caused? Answer: All changes in the weather are caused by the sun. Q4. Why does the tropical region have a hot climate? Answer:  It has a hot climate because of its location around the equator. Even in the coldest month the temperature is generally higher than about 15degree C. During the hot  summers, the temperature may cross 40 degrees. Q5. What do you mean by adaptations? Answer: It is the phenomenon of acquiring certain features and habits that ensure better survival in given surroundings. Q6. Why are the animals in the tropical rainforests exhibit variety of adaptations? Answer: The climatic conditions in rainforests are highly suit