Which of the following is not a response to stimulus ? (a) Feeling cold by touching ice.

Which of the following is not a response to stimulus ? (b) Feeling the weight of carrying a bag of books.

Which of the following is not a response to stimulus ? (c) scratching the skin at the place of ant bite.

Which of the following is not a response to stimulus ? (d) closing eyes immediately after seeing bright light.

Which of the following is not responsible for hardness of water?

Which of the following is responsible for peat formation?

Which of the following is sour to taste and soapy to touch?

Which among the following is responsible for rains on earth?

Which of the following is responsible for slee wake cycle movement?

Which of the following is responsible for division in fertilized egg ?

Which of the following is contaminant responsible for Bhopal gas tragedy