Which of the following is a partial root parasite?

1. Sandalwood

2. Mistletoe

3. Orobanche

4. Ganoderma

(a) Sandalwood (Santalum album) is a partial root parasite.
Mistletoe (Viscum) is considered as hemiparasite which derives a part of nourishment from the host plant. Orobanche is a holo parasite that infects species from favciae i.e., beans, Loranthus, Ganoderma are a parasite, basidiocarps mushrooms.