Question 19: What are the two parts of the U.S. Congress?
Official answer
- Senate and House (of Representatives)
Grandpa explains
The Senate (100 members) and the House of Representatives (435). Together they are Congress, kiddo.
Careful: these are NOT the answer
These are the common mix-ups. The app uses them as traps so you practice.
- Senate and Supreme Court
- House and Cabinet
- President and House
On the 2008 test this is question 17
If you filed your N-400 before October 20, 2025, you take the 2008 version. Which one is mine?
What are the two parts of the U.S. Congress?
★ 65/20 Also one of the 20 for 65/20 on the 2008 test.
- the Senate and House (of Representatives)
Video lesson on this topic: Congress
More questions on this topic
- 20Name one power of the U.S. Congress. ★
- 21How many U.S. senators are there?
- 22How long is a term for a U.S. senator?
- 23Who is one of your state's U.S. senators now?
- 24How many voting members are in the House of Representatives?
- 25How long is a term for a member of the House of Representatives?
Official sources:
- USCIS · 128 Civics Questions and Answers (2025 version), M-1778 (09/25) ↗ · checked October 6, 2026
The plain explanation is ours; the official answers are USCIS's, word for word.