The correct option is D p - 4, q - 3, r - 1, s - 2
Members of the kingdom fungi and simple plants such as algae reproduce through special asexual reproductive structures called spores.
Chlamydomonas reproduce by structures called zoospores that are usually microscopic motile structures.
Penicillium reproduce by asexual reproductive structures called conidia which are exogenous and non-motile structures.
Hydra reproduce by budding. In Hydra the bud is exogenous and grows externally on the parent body.
Sponges also reproduce by budding. In a sponge the buds are endogenous and develop inside the body. These buds are called gemmules.