The gibberellins: A) Are responsible for phototropism and gravitropism B) Are gases at room temperature C) Are produced only by fungi D) Cause bolting in some biennial plants Related MCQs: In which of the following countries the Atlas Mountains are found? Complete the sentence: He ……. a factory in this town. Which is the smallest Sea in the world? A hockey team won 6 games and lost 8. What is the ratio of wins to the number of games?