Name any four objects from your environment, which have the form of (i) a cuboid         (ii)     a cube

List any four symmetrical objects from your home or school

Give three examples from our daily life which are in the form of (i) a cone (ii) a sphere (iii) a cuboid (iv) a cylinder (v) a pyramid.

Name any three viruses which have RNA as the genetic material.

Name any five hybrid varieties of crop plants which have been developed in India.

Name any two food plants which have winter and spring varieties.

Name four ornamental plants which gardner multiplies from stem cutting.

Name any two groups of microorganisms from which antibiotics could be extracted.

Give one new example of an object from your surroundings that resembles the following shapes. a. Sphere b. Cuboid c. Cylinder

Give three examples from your environment of: (i)Points (ii) Portion of a line (iii)Plane surfaces (iv) portion of a plane (v)Curved surfaces

Name four colours of the spectrum of white light which have wavelength longer than blue light.