Questions

In token Ring , hub is called Multistation Access Unit(MAU).

The header should have a minimum length of 20 bytes and can have a maximum length of 60 bytes.

Fertilization is the process in which a single haploid sperm fuses with a single haploid egg fuse to form a zygote.  

An animal zygote under go mitosis and divides to form a hallow ball of cells called blastula.

The American noncommissioned officer tradition began with creation of the Continental Army in 1775 at the beginning of the American Revolution. They adopted NCO traditions from French NCO.

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.

Electricity generated from coal and oil is termed as 'Thermal Power'.