Multiple choice

Which of the following is not an insect repellent ?

  1. N,N-Diethyl-meta-toluamide

  2. Icaridin

  3. Indulines

  4. Citronella oil

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Indulines are a series of dyestuffs of blue, bluish-red or black shades, formed by the interaction of para-amino azo compounds with primary monoamines in the presence of a small quantity of a mineral acid. These are not the insect repellents .