Dura, Tenera and Pisifera are all cultivated varieties of

Dura, Tenera and Pisifera are all cultivated varieties of

Answer Details

There are different varieties of oil palm: dura palms have kernels with a thick shell; pisifera palms have kernels with no shell; tenera palms have kernels with a thin shell. Dure, Tenera and Pisifera are cultivate varieties of oil palm. Choice B is correct.