How many votes are required to invoke a cloture in the Senate?

How many votes are required to invoke a cloture in the Senate?
 
  A) three-fifths of the entire Senate
  B) fifty-one members
  C) fifty-five members
  D) sixty-one members
  E) exactly one hundred

Question -2-

A measure that closes debate in the Senate is
 
  A) a discharge petition.
  B) cloture.
  C) a special rule.
  D) a filibuster.
  E) choking.

Question -3-

An attempt to talk a bill to death and thus prevent it from coming to a vote in the Senate is a
 
  A) discharge petition.
  B) motion of cloture.
  C) special rule.
  D) filibuster.
  E) franking.

Question -4-

A filibuster is
 
  A) an attempt to tie a bill up so long that it will never come to a vote in the House.
  B) an attempt to tie a bill up so long that it will never come to a vote in the Senate.
  C) a presidential intervention in the legislative process.
  D) a means to call a bill to the floor of the House.
  E) a means of giving new life to a bill.

Question -5-

Senate bills are called up
 
  A) when the Senate Rules Committee passes a special rule.
  B) by unanimous consent.
  C) by presidential fiat.
  D) by chance.
  E) by courtesy vote.