CHRON QUIZ

1

What was the rare trifecta by 49ers running back Christian McCaffrey last week?

A: 100 yards rushing, receiving and passing

B: A passing, rushing and receiving touchdown

C: Three safeties scored

3

What North Beach venue could join S.F.’s Legacy Business Registry?

A: The Condor

B: Tosca Cafe

C: Vesuvio Cafe

3

How many terms did Jerry Brown serve as governor?

A: Two

B: Three

C: Four

4

What were 300 cement trucks doing on Treasure Island?

A: Pouring concrete for the island’s first high-rise

B: Parked in storage due to lack of work

C: World’s first cement truck derby

5

There were unusually few sightings of this sea creature off California in October: A: Blue whales

B: Orcas

C: Great white sharks

6

When is Day of the Dead traditionally celebrated?

A: Oct. 31

B: Nov. 1-2

C: Nov. 7-8

7

Since interim S.F. District Attorney Brooke Jenkins took office:

A: City crime rates are down

B: More reports of violent crime

C: Police are making more traffic stops

8

Who is the president-elect of Brazil?

A: Marcelo Rebelo de Sousa

B: Jair Bolsonaro

C: Luiz Inácio Lula da Silva

9

What is a threat to kelp forests on the California coast?

A: Sea urchins

B: Seals

C: Starfish

10

What feat by an 8-year-old boy is being questioned?

A: Solving math’s Twin Prime Conjecture

B: Climbing El Capitan

C: Running a marathon

— Harry Mok; hmok@sfchronicle.com