CBSE
Multiple Choice QuestionsRed muscle cells are rich in
only myosin
haemoglobin and glucose
lactic acid and acetic acid
myoglobin and cytochrome
First heart sound is produced during closure of
auriculo-ventricular valves
eustachian valve
sinus valve
seminular valves
Which of the following genotypes does not produce a sugar polymer on the surface of the RBCs?
IAIA
IAi
ii
IAIB
Christmas disease in another name for
Down's syndrome
sleeping sickness
haemophilia-B
hepatitis-B
'Bundle of His' is a network of
nerve fibres distributed in ventricles
nerve fibres found throughout the heart
muscle fibres distributed throughout the heart walls
muscle fibre, found only in the ventricle wall
A person was found to possess reduced haemoglobin content in the blood, caused due to disturbance in formation of RBCs. He is suffering from
Vitamin-B1 defeciency
Vitamin-A defeciency
Vitamin-B12 defeciency
Vitamin-E defeciency
Iron is stored in bone marrow as
haemosedrin
ferritin
haematin
None of these
Heart sound dub is caused due to closing of
valve
tricuspid valve
semilunar valve
None of the above
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible?
Three
Six
Five
Four
Systemic heart refers to
entire heart in lower vertebrates
the two ventricles together in humans
the heart that contracts under stimulation from nervous system
left auricle and left ventricle in higher vertebrates
