Step 1: Understanding the Concept:
This question addresses the lipid biochemistry of edible oils and the soil physical constraints affecting crop growth (specifically groundnut geocarpy).
Step 2: Detailed Explanation:
Let us evaluate the correctness of both statements:
Statement I claims sunflower oil is rated as high quality because of its high saturated fatty acids.
This is incorrect. Sunflower oil is highly valued because it is rich in unsaturated fatty acids, primarily oleic (monounsaturated) and linoleic (polyunsaturated) acids.
Unsaturated fatty acids are beneficial for cardiovascular health, whereas high saturated fatty acid diets raise bad cholesterol levels.
Statement II claims that groundnut is not economical for deep black soils because peg penetration is very poor.
This is correct. Groundnut exhibits a unique reproductive behavior called geocarpy.
After fertilization, the peduncle elongates to form a "peg", which must penetrate the soil surface to develop into a pod underground.
Deep black soils (Vertisols) are extremely clayey. They become highly sticky when wet and shrink to form hard clods when dry.
This structural hardness severely restricts peg penetration, leading to poor pod formation, low yields, and harvesting difficulties.
Therefore, Statement I is incorrect and Statement II is correct.
Step 3: Final Answer:
Statement I is incorrect and Statement II is correct.