If the xylem in a young tree is damaged, which process is first affected? a) performing photosynthesis

b) absorbing water from the soil

c) transporting sugar to the roots

d) transporting water to the leaves

The right answer is B) Absorbing water from the soil.

The xylem allows the circulation of the raw sap (water and mineral salts) drawn from the soil by the roots. The circulation is vertical and in the tracheids the presence of a transverse wall causes circulation in a chicane. The xylem also has a supporting role.

The differentiation of procambium is centrifuged in the roots and centripetal in the stems. This difference makes it possible to distinguish a root from a stem.

The secondary xylem, or wood, is characterized by a radial alignment of its cells due to the operation of liberalis cambium (secondary meristem): it is formed in the internal position with respect to cambium and leads to the formation of vessels, fibers, parenchyma vertical and horizontal.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

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