How many HLAs (Human Leukocyte Antigens) are present in each person?
a) two
b) three
c) four
d) six
Explanation: HLA stands for human leukocyte antigens. HLA are proteins—or markers on most cells in your body. Your immune system uses HLA to see which cells belong in your body and which do not.
Which
of the following complication/s is/are related to renal/kidney transplantation?
a) bleeding during and after the surgery
c) organ rejection treated with drugs
b) transplanted kidney is more vulnerable to traumatic injury
d) all of these
Explanation: transplanted kidney is lower than native kidneys and are not protected by ribs
Thermoregulation:
Thermoregulation is a mechanism by which mammals maintain body temperature with tightly controlled self-regulation independent of external temperatures.
The maintenance of body temperature by living organism is termed as ……..
a) osmoregulation
b) excretion
c) thermoregulation
d) ectothermy
In which of the following ways, temperature influences the metabolic activities of animals?
a) by rate of enzyme activities
b) by rate of movement of atoms and molecules
c) by reproduction methods
d) both a and b
On the basis of maintenance of body of temperature by animals, how many types of animals are found?
a) two
b) three
c) four
d) five
Explanation: 1. Poikilotherms and
2. Homeotherms
