The nature of fuse wire is –

A transformer –

Blood fails to clot, while flowing in the blood vessel because of the presence of –

Which one of the following is called the ‘digestive bag’ in the cell?

Which one of the following is also called the ‘power house’ of the cell ?

Which one of the following is not a part of small intestine?

Cell or tissue death within a living body is called as –

Which of the following blood cells is compulsory for blood caogulation ?

Which is the largest living bird on Earth ?

Blood groups were discovered by –