The most radiosenstitive tissue is -
Ans. is 'b' i.e., Bone marrow Radiosensitivity of impoant organs in decreasing order. Bone marrow > Testes > Ovary > Kidney > Liver > Lung > Hea > GIT (Stomach > Intestine) > Thyroid > Brain & spinal cord (CNS) > Skin + Cailage > Adult bone > Vagina > Uterus.
Brain
Bone marrow
Thyroid
Liver