02 Audio-visual aids should not 1. be helpful in achieving objectives of teaching 2. be attractive and full of illustrations 3. disturb the child mentally 4. make learners interested towards learning

04 Teaching learning materials should be selected according to 1. their availability in respective areas 2. the objectives of teaching 3. their cost 4. none of the above

06 Lalita, a teacher of young learners, provides them with opportunities to play with clay, water and sand, so as to 1. please them and make them happy 2. dirty their hands so that they may learn to wash them 3. build fine motor skills, especially of the fingers and thumb 4. encourage play with no other objective