Questions

9th BRICS summit was held in Xiamen, China with the theme "BRICS: Stronger Partnership for a Brighter Future".

Jean Piaget was a cognitive psychologist who identified four stages of development: the sensorimotor stage from birth to 2 years, the preoperational stage from age 2 to age 7, the concrete operational stage from age 7 to 11, and the formal operational stage from age 11 to adult. He identified milestones that occur at each stage.

According to Piaget, the main task of the sensorimotor stage is for the child to learn the concept of object permanence, use senses and motor skills to understand the world.

Oxytocin is a mamallian hormone and also acts as neuro transmitter in the brain.

Viswanathan Anand continued his excellent run bagging a bronze in the World Blitz Chess Championship following his gold winning performance in the Rapid section.

• The World Blitz Chess Championship is a chess tournament held to determine the world champion in chess played under blitz time controls. Since 2012, FIDE has held an annual joint rapid and blitz chess tournament and billed it as the World Rapid & Blitz Chess Championships.

• The current world blitz champion is Magnus Carlsen.