HLS-LAW-203 FEDERAL COURTS COMPREHENSIVE EXAM
GUIDE 2026 Q&A
1. Which of the following best describes the primary constitutional
source of federal court jurisdiction?
A. The Due Process Clause of the Fifth Amendment
B. Article III of the U.S. Constitution
C. The Commerce Clause of Article I
D. The Fourteenth Amendment's Equal Protection Clause
Correct Answer: B
Explanation: Article III establishes the federal judicial branch and
defines the scope of federal court jurisdiction, including cases
arising under the Constitution, federal laws, and treaties. The other
options relate to substantive rights or legislative powers, not the
constitutional foundation of judicial jurisdiction.
2. In a diversity jurisdiction case, what must the amount in controversy
exceed?
A. $5,000
B. $25,000
C. $50,000
D. $75,000
Correct Answer: D
Explanation: Under 28 U.S.C. § 1332, diversity jurisdiction requires
the amount in controversy to exceed $75,000, exclusive of interest
and costs. This statutory threshold was raised from $50,000 in
2015.
3. Which justiciability doctrine requires that a plaintiff demonstrate a
"personal and substantial" stake in the outcome?
A. Mootness
B. Ripeness
, C. Standing
D. Political question
Correct Answer: C
Explanation: Standing requires plaintiffs to show (1) injury in fact,
(2) causation, and (3) redressability, ensuring they have a personal
stake in the case. Mootness concerns whether the issue remains live;
ripeness address whether the issue is premature; political question
doctrine bars certain policy issues.
4. The "case or controversy" requirement in Article III prohibits federal
courts from:
A. Issuing advisory opinions
B. Reviewing state court judgments
C. Hearing criminal appeals
D. Applying state substantive law
Correct Answer: A
Explanation: Article III limits federal courts to adjudicating actual
cases or controversies, prohibiting them from issuing advisory
opinions on hypothetical questions. This ensures judicial power is
exercised only when concrete disputes exist.
5. Which Supreme Court case established that federal courts in diversity
cases must apply state substantive law rather than federal common
law?
A. Marbury v. Madison (1803)
B. Erie Railroad Co. v. Tompkins (1938)
C. Swift v. Tyson (1842)
D. Shaffer v. Heitner (1977)
Correct Answer: B
Explanation: Erie Railroad Co. v. Tompkins (1938) overturned Swift
v. Tyson and established the Erie doctrine, requiring federal courts
in diversity cases to apply state substantive law. This case
fundamentally changed federal-state judicial relations.
,6. Congressional authority to regulate federal court jurisdiction is:
A. Completely unrestricted
B. Limited only by Article III's minimum requirements
C. Subject to absolute presidential veto
D. Prohibited under the separation of powers
Correct Answer: B
Explanation: Congress has broad power under Article III to define
and limit federal court jurisdiction, but it cannot eliminate
jurisdiction entirely for matters within Article III's core or violate
constitutional rights like due process.
7. What is the primary purpose of the political question doctrine?
A. To expand federal court power
B. To prevent courts from deciding issues constitutionally committed
to other branches
C. To increase diversity jurisdiction
D. To mandatory remand all cases to state courts
Correct Answer: B
Explanation: The political question doctrine bars federal courts
from adjudicating issues that the Constitution commits to Congress
or the President (e.g., foreign policy, impeachment procedures),
preserving separation of powers.
8. In federal habeas corpus proceedings, a state prisoner must generally
demonstrate:
A. Only that the conviction was unfair
B. That they are actually innocent
C. A violation of federal constitutional rights
D. That the state court applied wrong substantive law
Correct Answer: C
Explanation: Federal habeas corpus under 28 U.S.C. § 2254 requires
, state prisoners to show their conviction or sentence violated the U.S.
Constitution or federal law, not merely that the state court erred in
applying state law.
9. Which doctrine allows federal courts to decline jurisdiction when
state courts can adequately address the issue?
A. Erie doctrine
B. Abstention doctrine
C. Double jeopardy
D. Preemption doctrine
Correct Answer: B
Explanation: Abstention doctrines (e.g., Pullman, Colorado River)
permit federal courts to defer to state courts when state law is
uncertain or state proceedings are adequate, promoting judicial
efficiency and respecting state sovereignty.
10. Federal question jurisdiction under 28 U.S.C. § 1331 requires
that the case:
A. Involve parties from different states
B. Arise under the Constitution, laws, or treaties of the United States
C. Exceed $75,000 in value
D. Be a criminal case
Correct Answer: B
Explanation: § 1331 grants federal courts jurisdiction over cases
"arising under" federal law, without a monetary threshold.
Diversity jurisdiction (§ 1332) requires different-state parties and
$75,000+.
11. The Supreme Court's review of state court judgments is primarily
limited to:
A. All errors of state law
GUIDE 2026 Q&A
1. Which of the following best describes the primary constitutional
source of federal court jurisdiction?
A. The Due Process Clause of the Fifth Amendment
B. Article III of the U.S. Constitution
C. The Commerce Clause of Article I
D. The Fourteenth Amendment's Equal Protection Clause
Correct Answer: B
Explanation: Article III establishes the federal judicial branch and
defines the scope of federal court jurisdiction, including cases
arising under the Constitution, federal laws, and treaties. The other
options relate to substantive rights or legislative powers, not the
constitutional foundation of judicial jurisdiction.
2. In a diversity jurisdiction case, what must the amount in controversy
exceed?
A. $5,000
B. $25,000
C. $50,000
D. $75,000
Correct Answer: D
Explanation: Under 28 U.S.C. § 1332, diversity jurisdiction requires
the amount in controversy to exceed $75,000, exclusive of interest
and costs. This statutory threshold was raised from $50,000 in
2015.
3. Which justiciability doctrine requires that a plaintiff demonstrate a
"personal and substantial" stake in the outcome?
A. Mootness
B. Ripeness
, C. Standing
D. Political question
Correct Answer: C
Explanation: Standing requires plaintiffs to show (1) injury in fact,
(2) causation, and (3) redressability, ensuring they have a personal
stake in the case. Mootness concerns whether the issue remains live;
ripeness address whether the issue is premature; political question
doctrine bars certain policy issues.
4. The "case or controversy" requirement in Article III prohibits federal
courts from:
A. Issuing advisory opinions
B. Reviewing state court judgments
C. Hearing criminal appeals
D. Applying state substantive law
Correct Answer: A
Explanation: Article III limits federal courts to adjudicating actual
cases or controversies, prohibiting them from issuing advisory
opinions on hypothetical questions. This ensures judicial power is
exercised only when concrete disputes exist.
5. Which Supreme Court case established that federal courts in diversity
cases must apply state substantive law rather than federal common
law?
A. Marbury v. Madison (1803)
B. Erie Railroad Co. v. Tompkins (1938)
C. Swift v. Tyson (1842)
D. Shaffer v. Heitner (1977)
Correct Answer: B
Explanation: Erie Railroad Co. v. Tompkins (1938) overturned Swift
v. Tyson and established the Erie doctrine, requiring federal courts
in diversity cases to apply state substantive law. This case
fundamentally changed federal-state judicial relations.
,6. Congressional authority to regulate federal court jurisdiction is:
A. Completely unrestricted
B. Limited only by Article III's minimum requirements
C. Subject to absolute presidential veto
D. Prohibited under the separation of powers
Correct Answer: B
Explanation: Congress has broad power under Article III to define
and limit federal court jurisdiction, but it cannot eliminate
jurisdiction entirely for matters within Article III's core or violate
constitutional rights like due process.
7. What is the primary purpose of the political question doctrine?
A. To expand federal court power
B. To prevent courts from deciding issues constitutionally committed
to other branches
C. To increase diversity jurisdiction
D. To mandatory remand all cases to state courts
Correct Answer: B
Explanation: The political question doctrine bars federal courts
from adjudicating issues that the Constitution commits to Congress
or the President (e.g., foreign policy, impeachment procedures),
preserving separation of powers.
8. In federal habeas corpus proceedings, a state prisoner must generally
demonstrate:
A. Only that the conviction was unfair
B. That they are actually innocent
C. A violation of federal constitutional rights
D. That the state court applied wrong substantive law
Correct Answer: C
Explanation: Federal habeas corpus under 28 U.S.C. § 2254 requires
, state prisoners to show their conviction or sentence violated the U.S.
Constitution or federal law, not merely that the state court erred in
applying state law.
9. Which doctrine allows federal courts to decline jurisdiction when
state courts can adequately address the issue?
A. Erie doctrine
B. Abstention doctrine
C. Double jeopardy
D. Preemption doctrine
Correct Answer: B
Explanation: Abstention doctrines (e.g., Pullman, Colorado River)
permit federal courts to defer to state courts when state law is
uncertain or state proceedings are adequate, promoting judicial
efficiency and respecting state sovereignty.
10. Federal question jurisdiction under 28 U.S.C. § 1331 requires
that the case:
A. Involve parties from different states
B. Arise under the Constitution, laws, or treaties of the United States
C. Exceed $75,000 in value
D. Be a criminal case
Correct Answer: B
Explanation: § 1331 grants federal courts jurisdiction over cases
"arising under" federal law, without a monetary threshold.
Diversity jurisdiction (§ 1332) requires different-state parties and
$75,000+.
11. The Supreme Court's review of state court judgments is primarily
limited to:
A. All errors of state law
