Write the wall layers of anther in correct sequence from outside inwards and name the layer having multinucleated cells.

Name the three wall layers of eyeball.

Enlist the laters of the wall of mature anther from outside to inside.

Outermost layer of cell wall

Answer the following questions: Name the vessel having single layer of endothelium.

Which of the following germ layer is formed by delamination of cells from the inner mass

True or False If false, write the correct sentence Stratified epithelium is present in inner layer of the skin.

Write the names from the description. Two elements having valency 4.

The three membranes covering the brain are called Meninges. Write them in the correct sequence begining from inner side of the outer.

Immixable transparent liquids A,B,C,D and E are placed in a rectangular container of glass with the liquids making layers according to their densities. The refractive index of the liquids are shown in the adjoining diagram. The container is illuminated from the side and a small piece of glass having refractive index 1.61 is gently dropped into the liquied layer. The glass piece as it descends downwards will not be visible in