Problem:
Question 1: Which hormone most strongly affects cell division in embryos?
a. IAA
b. GA
c. Ethylene
d. AA
e. CK
Question 2: How do the major tissue systems in plants become established in developing embryo?
a. Anticlinal cell divisions
b. Periclinal cell divisions
c. All of the above
d. None of the above
Give reasoning with your answer.