The two kinds of elements present in xylem are:
Xylem in plants is responsible for transport of:
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Living cells placed in isotonic solution (0.9% saline) retain their size and shape. This is based on the concept of
Which of the following substances is transported by phloem tissue?
The exudation of xylem sap drops on the edges of leaves is called
Steroid hormones easily pass through the plasma membrane by simple diffusion because they
Which component allows the movement of sugar stored in the roots or stem to the newly growing buds in spring?
The rate of transpiration increases by an increase in the:
The loss of water from the aerial parts of the plant during day time is known as:
An organism’s body has a large proportion of dead cells, have low energy needs, and can use relatively slow transport system. This organism could be :
Tissue that transports products of photosynthesis from the leaves where they are synthesized to other parts of the plant, are called:
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5 videos|292 docs|59 tests
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