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 ? (a) Feeling cold by touching ice.

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 represents A-B?

Which of the following represents A-B?

Which of the following is responsible for peat formation?

Which of the following has open book-structure

Which of the following carries oxygenated blood?

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