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10Plants obtain essential elements needed for life processes from the soil.
The life cycle of plants starts from seeds.
Carbon, hydrogen, and oxygen are included among the essential elements of plants.
Plants require only three essential elements for their growth.
Nitrogen, phosphorus, and potassium are required in small amounts by plants.
Primary nutrients are needed by plants in large quantities.
Calcium and magnesium are classified as secondary nutrients.
Lack of secondary nutrients does not affect plant growth.
Nutrients in soil are formed naturally by the decay of organic matter.
Fertilizers are used to compensate nutrient loss caused by continuous farming.
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Which of the following domestic substance fulfills the deficiency of phosphorous in soil? a. Ash b. Powder of bone c. Peel of banana fruit d. Leguminous plant
Which of the following is a primary nutrient?
Which element is essential for plant life but comes from air?
Which group contains only secondary nutrients?
How many essential elements are required by plants?
Which nutrient deficiency reduces plant production?
Which of the following is added to soil to restore nutrients?
Which nutrient helps in overall plant growth?
Which process naturally adds nutrients to soil?
Which nutrient is required in larger quantity by plants?
Seeds grow and develop into adult plants in the ______.
Plants require ______ essential elements to complete their life cycle.
Nitrogen, phosphorus, and potassium are called ______ nutrients.
Phosphorus helps in the development of ______.
Calcium and magnesium are ______ nutrients.
Lack of nutrients slows down plant ______.
Essential nutrients are formed naturally by ______ organic matter.
Continuous farming reduces ______ nutrients.
Fertilizers help to maintain soil ______.
Plants obtain ______ mainly from the soil.