Commercial paper, in the global financial market, is an unsecured promissory note with a fixed maturity of rarely more than 270 days. Hence Statement 1 is correct
A certificate of deposit is a time deposit, a financial product commonly sold by banks, thrift institutions, and credit unions. CDs differ from savings accounts in that the CD has a specific, fixed term and usually, a fixed interest rate. Hence statement 2 is incorrect.
Call money rate is the rate at which short term funds are borrowed and lent in the money market. Hence statement 3 is correct.
A zero-coupon bond is a debt security that does not pay interest but instead trades at a deep discount, rendering a profit at maturity, when the bond is redeemed for its full-face value. Hence Statement 4 is incorrect.