Biology questions
20584 published questions with worked solutions.
- Systolic pressure is the _____ pressure exerted by the blood against the vessel walls during ventricular contraction
- The normal heart beat rate, i.e. 72 beats per minute is maintained by
- The blood output of the heart drops to zero
- The pressure which the blood exerts on the wall of the arteries when the ventricles are maximally relaxed is called
- The systolic arterial blood pressure is
- Which one of the following is correct about atherosclerosis?
- Recording of heart activities through ECG machine includes
- Lymph consists of
- The antibodies are produced by the
- A pace maker causes
- For clotting of blood, which of the following is necessary?
- Blood platelets play an important role in the
- The flow of blood in closed blood vascular system is as follows
- The circulation of blood was discovered by [Manipal 1995, Pb. PMT 2000]
- Which blood cells can engulf bacteria by phagocytosis? [WB-JEE 2014]
- The protein which prevents coagulation of blood in the blood vessel is [CPMT 1980, BHU 1994, DPMT 1986, AIIMS 2001, JIPMER 1993,...
- The most important mineral for blood coagulation is [DUMET 2010]
- Oxygen is transported by [DPMT 1992, MP PMT 1994, MP PMT 1995]
- Blood clotting corpuscle is [AFMC 2010]
- The pace setter in the heart is called [MH-CET 1999]