The correct option is B. Carrot can be described as a ground tissues because it is formed inside the ground in form of tap root. The remaining options are incorrect for the following reasons: 1. Animals can not make their own food because they do not have chloroplast not because they do not have vacuoles. 2. The main function of dermal tissue is protection from water loss not photosynthesis. 3. The cerebellum controls balance and coordination not cerebrum.
The outside only looks pigmented because of the color reflecting off it, but the inside is white and unpigmented because it is reflecting all the colors. Does this help?
Because you body is introduced to the virus, it is familiar to it and can build up an immunity to the weakened form so when the actual virus invades, your body know what to do.