RING THEORY QUIZ

A commutative ring  with unity and without zero divisor is called  _____________________.

• Field

• integral domain

• division ring

• subring

Every  Integral domain is afield 

• false
• true

Every finite Integral domain is field

• True

• False

The characteristic of an integral domain is either ________________ or   prime.

• 12
• 3

• 4

• 0

The subring U  of the ring R is an ideal if  _________________               

• {0,2,4,6}

• {0,3,6,9}

• {0,2,4}

• {0,3,6}

• {0,2}

• {0,3}

• {0,4}

• {0,5}

• 5

• 7

• 11

• 4

• False

• true