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Question-1
Myogenic heart is absent in
(A)
Rat
(B)
Man
(C)
Elephant
(D)
Cockroach
Question-2
Which cranial nerve controls the heart muscles?
(A)
Facial
(B)
Vagus
(C)
Auditory
(D)
Trochlear
Question-3
Coeliac artery is the branch of
(A)
Dorsal aorta
(B)
Lumbar artery
(C)
Caudal artery
(D)
Pulmonary aorta
Question-4
Foramen ovale present only in the heart of embryos leads from the right auricle to
(A)
Left auricle
(B)
Right ventricle
(C)
Postcaval vein
(D)
Pulmonary artery
Question-5
The heart of an elephant is
(A)
Myogenic
(B)
Neurogenic
(C)
Triogenic
(D)
Biogenic
Question-6
The myocardium is found in
(A)
Heart of mammals
(B)
Brain of mammals
(C)
Lungs of mammals
(D)
Testis of mammals
Question-7
Which of the following carries blood from lung to heart?
(A)
Carotid
(B)
Cardiac vessel
(C)
Pulmonary vein
(D)
Pulmonary artery
Question-8
Purkinje fibres are connected with impulse conducting system of
(A)
Skin
(B)
Heart
(C)
Brain
(D)
Kidney
Question-9
The heart sound 'dup' is produced when
(A)
Mital valve is closed
(B)
Mital valve is opened
(C)
Tricuspid valve is opened
(D)
Semi-lunar valves of aorta get closed.
Question-10
An open circulatory system occurs in
(A)
Man
(B)
Reptiles
(C)
Animals
(D)
Insects
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Plus 2 Biology Science
ICSE/ISC
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