In most seeds, the nucellus is completely consumed during embryo development. However, in some seeds, remnants of the nucellus are persistent. Which of the following pairs of plants exhibits this residual, persistent nucellus?

Step-by-step solution

The residual, persistent nucellus in a seed is referred to as the perisperm. According to NCERT, examples of seeds that retain remnants of the nucellus (perispermic seeds) include black pepper and beet. Pea and groundnut are examples of non-albuminous seeds, where the endosperm is completely consumed. Wheat, maize, castor, and coconut are examples of albuminous seeds, which retain a part of the endosperm. Answer: Black pepper and beet