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Multiple Choice Quiz on Human Biology

This quiz is designed to assess your basic knowledge in ‘human biology’. Questions come under ‘medium’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'. Percentage score will be displayed along with right answers.
Human being
1. The spinal nerves pairs are
30
31
32
33
2. Mean life of RBCs in transfused blood is
60
90
120
180
3. The longest vein in the human body is
basilic
cephalic
long saphenous
inferior vena cana
4. Effort during normal respiration is done due to
alveolar air spaces
respiratory air passage
creating negative pleural pressure
lung elasticity
5. Which is not a feature of skeletal muscle
striations
syncytium
hypolemmal nucleus
spindle shaped fibres
6. Relation between nerve thickness and conduction velocity is
linear
hyperbolic
no relation
parabolic
7. Length of mature human spermatozoan is
50-60 microns
10-40 microns
100-200 microns
300-500 microns
8. A person ascends to 12,000 feet develops acute breathlessness, this is due to
decreased pulmonary blood flow
carbon dioxide washout
mechanical interference of thorax
decreased hypoxic stimulation of respiration
9. Somatostastin is produced by ---- cels of the pancreas
alpha
delta
acinar
beta
10. Most potent stimulus for bile secretion is
secretin
gastrin
bile acid
chloecystokinin
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