The correct statements for some insects are -
1. Mosquitoes cannot find you by the smell of your body.
2. They also find you by the smell of the sole of your feet and the heat of your body.
3. Silkworms can find their female worm from many kilometres away by their smell.
1
Only 1
2
Only 1 and 3
3
Only 2 and 3
4
All are correct