Q 01/05

What is the big yellow "flower" of a sunflower, botanically speaking?

A) One single giant bloom

B) A cluster of tiny florets

C) A rosette of modified leaves

D) A ripened, unopened fruit

Answer · why

B) A cluster of tiny florets

Each 'petal' is a sterile ray floret and every seed in the centre comes from its own disc floret, so one head is really hundreds of flowers.

Q 02/05

Mature sunflower heads lock in place facing which direction?

A) East

B) West

C) North

D) South

Answer · why

A) East

Facing the sunrise warms the head quickly in the morning, and warmer heads get noticeably more pollinator visits.

Q 03/05

The sunflower is the national flower of which country?

A) Spain

B) Argentina

C) Portugal

D) Ukraine

Answer · why

D) Ukraine

It is also one of the world's biggest sunflower-seed producers, sharing the top spot with Russia.

Q 04/05

Which US state has the sunflower as its official state flower?

A) Nebraska

B) Iowa

C) Kansas

D) Oklahoma

Answer · why

C) Kansas

The wild plant is native across the central and western United States, so the prairie state's choice was a local one.

Q 05/05

The tallest sunflower ever recorded reached roughly what height?

A) 4.9 m (16 ft)

B) 6.4 m (21 ft)

C) 8.2 m (27 ft)

D) 10.9 m (35 ft 9 in)

Answer · why

D) 10.9 m (35 ft 9 in)

Guinness measured Alex Babich's record-breaker in Fort Wayne in September 2025, and it stood nearly four times the height of a typical plant.