The Quiz

Question 1. For how many percent of plasma is water?

(1) 90%
(2) 50%
(3) 20%

Question 2. What happen when there is a lack of secretion of thyroxine?

(1) Poisonous substances will be produced 
(2) Adult-male sexual characteristics do not develop
(3) Severe deficiency in childhood, cretinism occurs

Question 3. The mid-brain consists of:

(1) Optic lobes and the corpora quadrigemina
(2) Optic lobes and hypothalamus 
(3) Cerebellum, medulla oblongata and cerebro-spinal fluid 

Question 4. What is anaerobic respiration?

(1) Anaerobic Respiration is the breakdown of food substances in the presence of oxygen with the release of a large amount of energy with carbon dioxide and water released as waste products.

(2) Anaerobic respiration is the inhalation and exhalation of air 

(3) Anaerobic respiration is the breakdown of food substances with the release of a comparatively small amount of energy in the absence of oxygen.

Question 5. The small intestine secretes the enzyme amylase to break down maltose.

(1) True!
(2) False!  

Question 6. There is ______ percent of oxygen in expired air.

(1) 78.0%
(2) 21.0%
(3) 4% 
(4) 16.4%

Question 7. Our urine consists of:

i)    Urea
ii)   Dissolved carbon dioxide
iii)  Reproductive substances ie. semen
iv)  Water
v)   Nitrogeneous substances
vi)  Dead blood cells
vii) Mineral salts

(1) i, iv, v, vii
(2) i, iii, v, vii
(3) i, ii, iv, v
(4) All of the above

Question 8. Semen and urine do not mix together because of something called the:

(1) vas deferens
(2) sphincter muscle
(3) penis
(4) seminal vesicles

Qusestion 9. Semen is deposited in the ______ during sexual intercourse.

(1) endometrium
(2) vulva
(3)
(4) cervix

Question 10. The ball-and-socket is a :

(1) tendon  
(2) bone marrow
(3) muscle
(4) joint

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