WONDER #1421: How Do Plants Know When To Flower?

Question 1 of 3

Proteins that are photoreceptors are activated by what?

1. sunlight
2. water
3. sugar
4. fat

Question 2 of 3

Russian scientists suspected that a mysterious substance called what stimulated flower buds to form?

1. stimulen
2. florigen
3. flowerin
4. budinen

Question 3 of 3

The suspected mystery chemical “florigen” may be a protein called what?

1. Florigen
2. Flowering Locus Z
3. Flowering Lily G
4. Flowering Locus T

Check your answers online at https://wonderopolis.org/index.php/wonder/how-do-plants-know-when-to-flower.