Which of the following is the most abundant element in the Earth’s crust?

What are the types of intelligence tests?

IQ of talented child is 140, whose statement is this.

According to Jean Piaget, which moral development is related to the result of increasing interaction with possible children.

Maslow's Ayurveda principle is called.

Proponents of the Kindergarten method - 

This is the first stage of traditional research.

Which of the following insecticides’ harmful effects came under media attention when health issues in Kerala were publicized?