Question
Biology Question on plant growth and development
Coconut milk (coconut water) is widely used in tissue culture because it contains
A
auxins
B
ethylene
C
cytokinin
D
gibberellins
Answer
cytokinin
Explanation
Solution
Skoog (1954−1956) observed that coconut milk contained a substance which stimulated cell division. The substance was later on called cytokinin. The most widely occurring cytokinin in plants is isopentanyl adenine (IPA). IPA has been isolated from Pseudomonas tumefaciens.