Which one of the following human organs is less susceptible to harmful radiations?

Which one of the following human organs is most susceptible to harmful radiations?

Which of the following human organ is affected by the consumption of aflatoxin food adulterant?

Which of the following is responsible for ‘Bird flu’?

Which one among the following diseases is caused due to deficiency of Vitamin D in humans?

Which one of the following diseases is not due to contamination of water?