Homeostasis is the condition of optimal functioning for entities inclusive of variables such as fluid balance and body temperature under some limits. It is a self-regulating process, through which biological systems maintain stability to adapt to conditions that are favorable to survive.
1. Liver functions are pivotal to
(a) osmoregulation
(b) thermoregulation
(c) homeostasis
(d) all of these
Answer: (c)
2. During catabolism of amino acids, the release of the amino group is known as
(a) deamination
(b) hydrolysis
(c) ammunition
(d) hydration
Answer: (a)
3. The only treatment in case of uremia is
(a) dialysis
(b) lithotripsy
(c) lung transplant
(d) kidney transplant
Answer: (d)
4. This type of nephron is best to conserve water in body
(a) Juxtamedullary nephrons
(b) cortical nephrons
(c) both (a) and (b)
(d) serotical nephrons
Answer: (a)
5. This is responsible for production of concentrated urine
(a) proximal tubule
(b) cortical nephrons
(c) distal tubule
(d) juxtamedullary nephron
Answer: (d)
6. This nephron segment is not permeable to water even in the presence of ADH
(a) Collecting duct
(b) descending limb of loop of Henle
(c) ascending limb of loop of Henle
(d) both (b) and (c)
Answer: (c)
7. Leaves fall of helping in plant to get rid of accumulated wastes hence known as
(a) ebony
(b) sacrifice
(c) excretophore
(d) helper
Answer: (c)
8. Active uptake of sodium is promoted by action of enzyme known as
(a) adrenatrone
(b) aldosterone
(c) antidiuretic
(d) diuretic
Answer: (b)
9. The vertebral column provides more strength as a result of 4
(a) burantals
(b) appendanges
(c) frontals
(d) curvatures
Answer: (d)
10. Dogs have specialized evaporative cooling in the respiratory tract by
(a) woofing
(b) licking
(c) panting
(d) sleeping
Answer: (c)
11. This statement about Homeostasis is incorrect
(a) because of this, the fluctuations of the internal environment are of extremely narrow range as compared to that of the external environment
(b) there is a definite control system regulating the homeostatic activities
(c) homeostatic mechanisms keep the internal environment fixed despite wide changes in the external environment
(d) all the above
Answer: (c)
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