Since excessive use of fertilizers can harm the soil, we can enrich the soil with nutrients by
Identify the incorrect statements from the following
1. Young stem of vine plant show positive phototropism and positive thigmotropism
2. Sunflower position itself facing the sun is showing positive response to heat generated due to exposure to sunlight
3. Roots show negative thigmotropism and positive hydrotropism
4. Roots show positive chemotropism to some chemical and negative chemotropism to some other chemicals