Marble bone disease is -
Ans. is 'c' i.e., Osteopetrosis o Osteopetrosis is also known as Marble bone disease or Albers-Schonberg disease.o Paget's disease is known as Osteitis deformans,o Osteogenesis imperfecta is known as Brittle bone disease,o Osteoporosis is known as Fragile bone disease.
Osteoporosis
Paget's disease
Osteopetrosis
Osteogenesis imperfecta
Bone Dysplasia & Soft Tissue Affection