NEET BIOLOGY

BIOLOGY IN HUMAN WELFARE

HUMAN HEALTH AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Since PCBs may cause birth defects in a human fetus, they are classified asI. CarcinogensII. MutagensIII. Tetatogens
A
I only
B
II only
C
III only
D
I and II only
E
I, II, and III
Explanation: 

Detailed explanation-1: -A teratogen is any agent that causes an abnormality following fetal exposure during pregnancy. Teratogens are usually discovered after an increased prevalence of a particular birth defect. For example, in the early 1960’s, a drug known as thalidomide was used to treat morning sickness.

Detailed explanation-2: -Teratogens are classified into four types: physical agents, metabolic conditions, infection, and finally, drugs and chemicals.

Detailed explanation-3: -If a drug is classified as being teratogenic, it means that medication has the potential to cause developmental malformations or birth defects to a fetus when taken by a pregnant woman.

There is 1 question to complete.