Knowing or ‘knowledge’ of a word means that a learner-user knows how, where and when a particular word is used or needed. A person is said to know a word only when she/he is aware of its correct usage and such words are often a part of a person's active vocabulary. 

The correct answer is mass communication system. According to the scale and quantity the mode of communication is divided into two part- Personal communication system and Mass communication system.

Recording and reporting of progress in EVS can be done through anecdotal records, portfolios and teacher’s diaries. Anecdotal records are cumulative notes of an individual’s behavior observed in typical situations, activities and experiences. The portfolio is an effective means of making summary reports more concrete for teacher and parents. Teacher’s diary is also a source of collecting data of students for recording and reporting of progress.

Deeper understanding: According to research, a benefit of multimedia learning is that it takes advantage of the brain's ability to make connections between verbal and visual representations of content, leading to a deeper understanding, which in turn supports the transfer of learning to other situations.
Improved problem solving: A large percentage of the human brain dedicates itself to visual processing. Thus, using images, video and animations alongside a text stimulates the brain. Student attention and retention increase.
Access to a vast variety of information: With computers, tablets, smartphones and the internet, students are today better equipped than ever to search and find the information they need.
Hence, all of the above options are correct regarding the benefits of mulitmedia learning material.

If students ask questions in classroom it is the responsibility if every teacher to encourage the students it creates self confidence among the student.

EVS curriculum just focuses on theoretical knowledge rather than practical knowledge which act as a barrier while teaching EVS in an effective manner.

The Language Acquisition Device (LAD) is a hypothetical module of the human mind posited to account for children's innate predisposition for language acquisition. First proposed by Noam Chomsky in the 1960s, the LAD concept is an instinctive mental capacity which enables an infant to acquire and produce language. It is component of the nativist theory of language.

A teacher is one of the main characters in a teaching learning process he has to play both interactive and perspective role in this process. In interactive role he has to interact with learners and he listen them and speak to them. It’s the teacher who directly interact with the learners. In perspective role he has to plan, analyse, observe and he has to think from learners’ point of view.

Creative writing should be an activity planned for all children. It is like experiences in art and music provides a vehicle for self-expression. A form is not as important as content. All pupils should be encouraged to verbalize their feelings, reactions, and thought. For those at the lowest levels of writing ability, stories can be dictated to the teacher. Such a procedure also serves to motivate these children to improve their writing abilities so that they can eventually dispense with their ‘scribe’.

Educational provisions for the disadvantaged children are: Establishment of residential schools, Educational guidance and counseling for disadvantaged children, financial help for disadvantaged children.