Mineral Requirements of a Plant-Data Intensity 3 Multiple Questions and Answers.




1.Which of the following is not a function of soil?
A. It holds water
B. It supplies air to roots
C. It acts as a matrix that destabilizes the plant
D. It harbors nitrogen fixing bacteria

2.Minerals are transported through _________ along the _________ stream of water.?
A. xylem, descending
B. phloem, descending
C. xylem, ascending
D. phloem, ascending

3.Which of the following elements do not get translocated to younger parts?
A. N
B. P
C. K
D. Ca

4.Where do plants obtain most of their carbon and oxygen?
A. From nitrates in the soil
B. From ammonia in the soil
C. From nitrogen in the atmosphere
D. From carbon dioxide in the atmosphere

5.Why can�t all minerals be passively absorbed through the roots?
A. They are present in the soil as charged particles
B. The concentration of minerals in the soil is very high
C. Minerals can never be transported
D. Roots only absorb water

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