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Chapter 12 NCERT Class 9 Science SOLUTIONS

2. How do plants get nutrients?
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Question:

How do plants get nutrients?

Answer:

Plants get their nutrients from air, water and soil through their roots and leaves.

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More NCERT Questions

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(All Q's of this Chapter solved)
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How do you differentiate between capture fishing, mariculture and aquaculture.

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For increasing production, what is common in poultry, fisheries and bee keeping?

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What are the benefits of cattle farming?

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How do good animal husbandry practices benefit farmers?

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How do storage grain losses occur?

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What is genetic manipulation? How is it useful in agricultural, practices?

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What are the advantages of intercropping and crop rotation?

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Why are manure and fertilizers used in fields?

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Explain any one method of crop production which ensures high yield.

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What is pasturage and how is it related to honey production?

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What are the desirable characters of bee varieties suitable for honey production?

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What are the advantages of composite fish culture?

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How are fish obtained?

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What are the differences between broilers and layers and in their management?

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What management practices are common in dairy and poultry farming?

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Discuss the implications of the following statement: “It is interesting to note that poultry is India’s most efficient converter of low fiber food stuff (which is unfit for human consumption) into highly nutritious animal protein food.”

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Which method is usually used for improving cattle breeds and why?

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What factors may be responsible for losses of grains during storage?

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Why should preventive measures and biological control methods be preferred for protecting crops?

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Which of the following conditions will give the most benefits? Why?

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Compare the use of manure and fertilizers in maintaining soil fertility.

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What are macronutrients and why are they called macronutrients?

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What are the desirable agronomic characteristics for crop improvements?

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How do biotic and abiotic factors affect crop production?

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What do we get from cereals, pulses, fruits and vegetables?

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