improvement in crop production

Compare the use of manure and fertilizer in maintaining soil fertlity.

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Answer explanation

Manure and fertilizer both contribute to soil fertility. Manure is organic and improves soil structure, while fertilizer provides specific nutrients. Both are important for maintaining soil fertility.

Compare the use insecticide, pesticide and biological control methods in protecting crops

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

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Which methods is commonly used for improving cattle breeds and why

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Discuss the implementation of the statement "it is interesting to note that poultry is India's most efficent converter of low fiber stuff into highly nutritious animal protein food .

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We can fold the cartilage of the ears, but we cannot bend the bones in our arms.

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Branches of a tree move and bend freely in high wind velocity: justify

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Answer explanation

Branches of a tree are flexible and can sway in high winds, reducing the risk of breakage.

“Cork cells are impervious to gas and water “. Justify

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Answer explanation

Cork cells have a waxy substance called suberin that makes them impermeable to gas and water, which justifies the statement.

Ronit can bend and fold his ear lobe in any direction but he can’t bend arms as ears: justify

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