Question 3
How are the roots of a yam useful to the plant? I. The roots give color to the plant. II. The roots help to store food. III. The roots transport water and minerals to the leaves. IV. The roots absorb water and minerals.
Original choices:
A. I and II only
B. II and IV only
C. I and III only
D. I, II, III and IV
Explain the scientific ambiguity; this item is manually reviewed.
Original choices:
A. I and II only
B. II and IV only
C. I and III only
D. I, II, III and IV
Explain the scientific ambiguity; this item is manually reviewed.