Column-I Column-IIP. Parenchyma I. Provide mechanical supportQ. Collenchyma II. Storage of foodR. Sclerenchyma III. PhotosynthesisS. Sclereids IV. Highly thicked dead cellsP - I, Q - II, R - III, S - IVP - IV, Q - I, R - II, S - IIIP - II, Q - III, R - I, S - IVP - III, Q - II, R - I, S - IV
Question
Column-I Column-IIP. Parenchyma I. Provide mechanical supportQ. Collenchyma II. Storage of foodR. Sclerenchyma III. PhotosynthesisS. Sclereids IV. Highly thicked dead cellsP - I, Q - II, R - III, S - IVP - IV, Q - I, R - II, S - IIIP - II, Q - III, R - I, S - IVP - III, Q - II, R - I, S - IV
Solution
Let's match each item in Column-I with the appropriate item in Column-II:
P. Parenchyma: Parenchyma cells are the most common type of plant cells. They are involved in many functions including photosynthesis, storage of food, and regeneration. So, Parenchyma matches with II. Storage of food and III. Photosynthesis.
Q. Collenchyma: Collenchyma cells provide mechanical support to the plant and also participate in photosynthesis. They are typically found in areas of the plant that are growing rapidly. So, Collenchyma matches with I. Provide mechanical support.
R. Sclerenchyma: Sclerenchyma cells are thick-walled and provide structural support to the plant. They are typically dead at maturity and do not carry out photosynthesis. So, Sclerenchyma matches with IV. Highly thickened dead cells.
S. Sclereids: Sclereids are a type of sclerenchyma cells that are responsible for the hardness of nutshells and seed coats. They are also highly thickened dead cells. So, Sclereids also match with IV. Highly thickened dead cells.
So, the matches are:
P - II, III Q - I R - IV S - IV
Therefore, the correct option is: P - II, Q - I, R - IV, S - IV. However, this option is not listed in the choices you provided. If we have to choose from the given options, the closest would be: P - III, Q - II, R - I, S - IV.
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