Option (c) is correct

The statements B and C are subalternate.

In the traditional square of opposition, subalternate propositions are those that have the same subject and predicate terms, but differ in quality (affirmative or negative). Subalternate propositions have a particular relationship in that if one of them is true, the other must also be true, and if one of them is false, the other must also be false.

In this case, statement B, "No plants are oxygen producers," is a universal negative proposition. It asserts that there are no plants that are oxygen producers.

Statement C, "Some plants are not oxygen producers," is a particular negative proposition. It asserts that there are some plants that are not oxygen producers.

विकल्प (c) सही है।

विरोध के परंपरागत वर्ग (classical square of opposition) के अनुसार, A और I, तथा E और O में उपाश्रितता पाई जाती है।

इस आधार पर, विकल्प में दिए गए जोड़ों में से - कथन B "कोई भी पादप ऑक्सीजन उत्पादक नहीं है।" [E प्रकार का प्रोपोज़िशन] तथा कथन C "कुछ पादप ऑक्सीजन उत्पादक नहीं है।" [O प्रकार का प्रोपोज़िशन] उपाश्रित कथन हैं।