The adjoining figure represents a cuboid.
(i) How many edges does the cuboid have?
(ii) Name two edges of the cuboid which are parallel to AD .
(iii) Name two edges of the cuboid which are perpendicular to AD.

In the adjoining figure, explain : (i) which side is the greatest side ? (ii) which of two sides are equal ? (iii) which is the smallest side of DeltaAQS ?

Figure. represents a cuboid. The lengths of the edge, A E ,\ E F\ a n d\ F G are indicated as l ,\ b\ a n d\ h respectively. Indicated the lengths of all other edges.

Fill in the blanks to make the following statements true: (i) A cuboid has .......... vertices. (ii) A cuboid has .......... edges (iii) A cuboid has .......... faces. (iv) The number of lateral faces of a cuboid is ......... (v) A cuboid all of whose edges are equal is called a ......... (vi) Two adjacent faces of a cuboid meet in a line segment called its ......... (vii) Each edge of a cuboid can be obtained as a line segment in which two ......... meet. (viii) ......... edges of a cube (or cuboid) meet at each of its vertices. (ix) A ......... is a cuboid in which all the six faces are squares. (x) The three concurrent edges of a cuboid meet at a point called the ......... of the cuboid.

In Figure, name the (i) face parallel to B F G C (ii) faces adjacent to B F G C (iii) three edges which meet in the vertex Gdot

For the cuboid show in Figure. What is the base of this cuboid? What are the lateral faces of this cuboid? Name one pair of opposite faces. How many pairs of opposite faces are there? Name them. Name all the faces of this cuboid which have X as a vertex.

What is the name of the shape in Fig. A? How many faces, edges and vertices does it have?

The diagram given below represents the location and structure of an endocrine gland. Study the same and answer the questions that follow: (i) Name the endocrine gland shown in the diagram. (ii) Name the secretion of the gland which regulates basal metabolism (iii) Name the mineral element required for the synthesis of the above mentioned hormone. (iv) Name the disease caused due to undersecretion of the above mentioned hormone in children. (v) Name the disease caused due to hypersecretion of the above mentioned hormone .

A square coil of edge I having n turns carries a curent i. it is kept on a smooth horizontal plate. A uniform magnetic field B exists in a direction parallel to an edge the total mass of the coil is M. What should be the minimum value of B for which the coil will start tipping over?

A square coil of edge I having n turns carries a curent i. it is kept on a smooth horizontal plate. A uniform magnetic field B exists in a direction parallel to an edge the total mass of the coil is M. What should be the minimum value of B for which the coil will start tipping over?

(I) Name any two helminths which are known to the pathogenic to human. (ii) List any two symptoms of the diseases caused by any one of them.