A cation is
a)a negatively charged sulphur atom (S-)
b)a positively charged sodium atom (Na+)
c)a negatively charged electron
d)a positively charged proton in the nucleus of an atom
A positively charged sodium atom (Na+)
The nucleus of a cells is directly surrounded by
a)the protoplasm/cytoplasm
b)the nuclear membrane
c)the nucleoplasm
The nuclear membrane
The process of cell division where the mother cell divides in to 2 identical daughter cell is
called
a)meiosis
b)mitosis
c)protein synthesis
d)replication
Mitosis
Tissues r composed of
a)cells
b)organs
c)organisms
d)systems
Cells
Simple squamous epithelium is found
a)in kidney tubules
b)lining the digedtive tract
c)lining the mouth
d)in the alveoli of lungs
In the alveoli of lungs
,The ribs r movably connected to
a)the sacrum
b)the cervical vertebrae
c)the thoracic vertebrae
d)the lumbar vertebrae
The thoracic vertebrae
The quadriceps muscle
a)extends the knee
b)flexes the knee
c)rotate the knee
d)abducts the knee
Extends the knee
With regard to smooth muscle ,which of the following is /are correct
a)it is found in the walls of the internal organs and is undervoluntary control
b)the muscles cells are cylindrical with multiple nuclei
c)both are correct
d)none of the above r correct
None of the above r correct
The name of the substances which stimulate the production of antibodies in the blood is
called
a)toxins
b)anti toxins
c)antigens
d)agglutins
Antigens
The component of blood mostly concerned with the control of infection is
a) white blood cells
b)red blood cells
c)platelets
d)plasma
White blood cells
The hepatic portal vein carries soluble foods
a)from the liver to the heart
, b)from the stomach to the liver
c)from the ileum to the liver
d)from the liver to the kidney
From the ileum to the liver
external respiration is
a)the use of oxygen for growth and muscle contraction
b)the exchange of oxygen and carbondioxide in the lungs
c)the breakdown of food materials into carbondioxide
d)the taking in of oxygen by the body
The exchange of oxygen and carbondioxide in the lungs
The glomeruli are found in
a)kidney hilum
b)the renal pelvis
c)the renal medulla
d)the renal cortex
The renal cortex
Vasopressin (ADH) regulates
a)the amount of urine excreted by the kidneys
b)the speed of growth of the bones
c)the contraction of the uterus
d)the secretion of thyroxin
The amount of urine excreted by the kidneys
While using the contraceptive pill
a)menstruation is stopped
b)ovulation does not take place
c)the mucous membrane is completely developed
d)the ovum is killed
Ovulation does not take place
The central nervous system is made of
a)brain &spinal cord
b)brain &peripheral nerves
c)brain ,spinal cord and autonomic nervous system
d)brain ,spinal cord and autonomic nervous system