Voluntary muscles are found in

Name the type of parenchyma tissue present in aquatic plants. State its role.

Identify the following tissues:
$(a)$ The epithelial tissue which has pillar-like tall cells.
$(b)$ The cells of this tissue are filled with fat globules.
$(c)$ The movement of this tissue pushes the mucus forward to clear the respiratory tract.
$(d)$ It gives buoyancy to the lotus to help it float.
$(e)$ This tissue is present in lung alveoli.

Mention the role of epidermis in the following:
$(a)$ In the aerial parts of the plant.
$(b)$ In leaves.
$(c)$ In roots.

Which of the following does not lose their nucleus at maturity?

Differentiate between bone and cartilage with respect to structure,function and location.