निम्नलिखित में से कौन सा पादप अंग निषेचन के बाद एक कठोर बाहरी आवरण विकसित करता है और धीरे-धीरे बीज में परिवर्तित हो जाता है?

Flowers that contain both stamens and carpels (pistils) are called .....................

Flowers are considered morphological and embryological marvels for all of the following reasons EXCEPT:

Which type of apomixis involves the embryo developing directly from diploid vegetative cells of the nucellus or integuments without fertilization?