A: Growth is increase in body mass and no of individual are twin characteristics of growth,and growth is character of all livings, in animals growth is determinate ( only upto certain age or we can say limited) but in plants growth is indeterminate ( occur complete life time) so, option A is not correct answer.
B; photosynthesis us production of glucose in presence of sunlight and chlorophyll. we know very well it is only characteristics of green plants and not of animals so, option B is correct answer.
C: digestion means conversion of complex food material into simple and absorbable form .we know in animals this process occur in alimentary canal . and in plants also food is formed in the form of glucose but convert into starch absorbable form so, option C is not correct answer.
D:response to external stimuli or we can say consciousness is characteristics of all livings both plants and animals so,D is not correct answer.