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Choose plant's micronutrients and macron...

Choose plant's micronutrients and macronutrients from the following
Iron, Chlorine, Sulphur, Copper, Nitrogen, Calcium, Marganese, Potassium, Zinc, Magnesium, Molybdenum, Phosphorus.

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Mineral Nutrition || Roles OF Macronutrients and Micronutrients || Nitrogen Phosphorus Potassium Calcium Magnesium Sulphur Iron Manganese Zinc Copper Boron Molybdenum Chlorine

Write the balanced chemical equations for the following reactions : (i) "Hydrogen + Chlorine " to " Hydrogen chloride" (ii) "Magnesium oxide + Carbon " to " Magnesium + Carbon monoxide" (iii) "Phosphorus pentachloride + Water " to " Phosphoric acid + Hydrogen chloride" (iv) "Sulphur dioxide + Oxygen " to " Sulphur trioxide" (v) "Sodium + Water " to " Sodium hydroxide + Hydrogen" .

How many elements are solid non-metals among the following elements ? Carbon, nitrogen, chlorine, helium, phosphorus, sulphur and iodine

Role OF Macro nutrients and Micro nutrients (part 2) 7.Iron 8.Manganese 9.Zinc 10.Copper 11.Boron 12.Molybdenum 13.Chlorine

Classify the following into metals, non-metals, metalloids and alloys. Magnesium, Carbon, Nitrogen, Calcium, Bronze, Chlorine, Tin, Arsenic, Brass, Uranium.

Match the following and choose the correct combination from the option given {:("Column I", "Column II"),(A."Sulphur",i."Chlorophyll"),(2."zinc",ii."Nitrogenase"),(3."Magnesium",iii."Methionine"),(4."Molybdenum",iv. "Auxin"):}

Write balanced chemical equations for the following word equations: (a) Calcium hydroxide + Carbon dioxide rarr Calcium carbonate + Water (b) Phosphorus pentachloride + Water rarr Phosphoric acid + Hydrogen chloride (c ) Zinc + Silver nitrate rarr Zinc nitrate + Silver (d) Sodium + Water rarr Sodium hydroxide + Hydrogen (e) Aluminium + Copper chloride rarr Aluminium chloride + Copper

(a). What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water: Zinc, Iron, Magnesium, Sodium. (b). Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why? (c). Name one metal more reactive ad another less reactive than hydrogen. (d). Name one metal which displaces copper from copper sulphate solution and one which does not. (e). name one metal which displaces silver from silver nitrate solution and one which does not.

LAKHMIR SINGH & MANJIT KAUR-IMPROVEMENTS IN FOOD RESOURCES -VERY SHORT ANSWER QUESTIONS
  1. Choose plant's micronutrients and macronutrients from the following ...

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  2. Mention the crop whose production has increased by blue revolution and...

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  3. What are plant nutrients ?

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  4. Name the three most important mineral elements required for plant grow...

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  5. What are the micronutrients required by the plants ?

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  6. Name any two macronutrients required by plants.

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  7. Which one is nutrient specific-fertilizer or manure ?

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  8. Which is the oldest method of crop improvement ?

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  9. Name one common disease of paddy.

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  10. Give an example of biological weed control.

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  11. Give one example of natural insecticide.

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  12. What are weeds ?

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  13. Write down two harmful effects of biotic factors on food grains.

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  14. What percent of moisture should be present in the food grains at the t...

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  15. Give one example of solid and one of liquid fumigant.

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  16. Which method is most effective for destroying insects in stored grains...

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  17. How the food grains should be dried on commerical basis ?

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  18. What is feed ?

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  19. Name one (a) Leguminous green fodder, (b) Non-green dry fodder.

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  20. Name one high yielding breed of cow and one of buffalo respectively.

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  21. What are fat content in milk of: (a) Murrah, (b) Surti ?

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