Question

Which of the following gas is inhaled causes damage to the fetus due to smoking tobacco by the mother?

• A. Carbon tetra chloride
• B. Carbon monoxide
• C. Carbon flouride
• D. Chloroform

Answer 1

Answer: (B)

Carbon monoxide

• Carbon monoxide is produced from incomplete combustion.
• Smoking increases carbon monoxide content of blood. In a pregnant woman, it replaces, oxygen in the baby's bloodstream, decreasing amount of oxygen they receive.
• So, the correct option is 'Carbon monoxide'.