EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a simple definition of phloem?
A
Carries water through the plant
B
Carries nutrients through the plant
C
Leaf inside the seed
D
Leaf on a fern
Explanation: 

Detailed explanation-1: -Phloem is the vascular tissue that transports carbon (photosynthates) from the leaves to basal parts of the plant, and vascular cambium is undifferentiated tissue responsible for secondary growth and repair of damaged phloem (Lalonde et al., 2004). From: Plant Disturbance Ecology (Second Edition), 2021.

Detailed explanation-2: -Phloem is the vascular tissue in charge of transport and distribution of the organic nutrients. The phloem is also a pathway to signaling molecules and has a structural function in the plant body. It is typically composed of three cell types: sieve elements, parenchyma, and sclerenchyma.

Detailed explanation-3: -Phloem is one of the two types of vascular tissue in plants. It transports food formed in the leaves to the other parts of the plants.

Detailed explanation-4: -Phloem is one of the two tissues that make up the plant’s long-distance transport system, the other being xylem. Phloem translocates water and products of photosynthesis from source tissues to the sink regions where they are utilized or stored.

Detailed explanation-5: -Phloem transports carbohydrates, produced by photosynthesis and hydrolysis of reserve compounds, to sink tissues for growth, respiration and storage. At photosynthetic tissues, carbohydrates are loaded into phloem (Rennie and Turgeon 2009), a process that raises the solute concentration.

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