AIPMT 2007 Biology Solved Paper

© examsiri.com

Question : 3 of 100

Marks: +1, -0

Which one of the following is an example of negative feedback loop in humans ?

Secretion of sweat glands and constriction of skin blood vessels when it is too hot
Constriction of skin blood vessels and contraction of skeletal muscles when it is too cold
Secretion of tears after falling of sand particles into the eye
Salivation of mouth at the sight of delicious food

Go to Question:

Prev Question

Next Question