Question:

What is the best pH of the soil for cultivation of plants

Updated On: Jun 23, 2024

3.4 – 5.4
6.5 – 7.5
4.5 – 8.5
5.5 – 6.5

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The Correct Option is D

Solution and Explanation

Fertile soil is rich in the essential minerals and nutrients required for healthy plant growth. Many of these minerals and nutrients exhibit greater solubility in soils with a slightly acidic pH compared to soils that are neutral or slightly alkaline. Soil with a pH ranging from 5.5 to 7 is particularly well-suited for supporting plant growth, earning it the classification of fertile soil. So, the correct option is (D): 5.5 - 6.5

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A.	Residual Volume	i.	Maximum volume of air that can be breathed in after forced expiration
B.	Vital Capacity	ii.	Volume of air inspired or expired during normal respiration
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D.	Tidal Volume	iv.	Total volume of air expired after normal inspiration

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Concepts Used:

Transport in Plants

The two types of conducting tissues that are used to transport the water and minerals in plants such as:

Xylem:

Xylem is a long, non-living tube running from the roots to the leaves via the stem. The water is absorbed by the root hair and goes through cell-to-cell movement by osmosis until it reaches the xylem. This water is then transported throughout the xylem vessels to the leaves and is evaporated by the process of transpiration.

The xylem is also composed of lengthened cells like the phloem. However, the xylem is mainly accountable for transporting water to all plant parts from the roots. Since they serve such a vital function, a single tree would have a lot of xylem tissues.

Phloem:

The phloem is accountable for the translocation of nutrients and sugar like carbohydrates, produced by the leaves to areas of the plant that are metabolically in force. It is powered by living cells. The cell walls of these cells structurize small holes at the ends of the cells known as sieve plates.

Means of Transportation in Plants:

Transportation in plants is by 3 means, they are as follows:

Diffusion
Facilitated diffusion
Active Transport