The respiratory problem most common in smokers is_________?
The respiratory problem most common in smokers is_________?
A. tuberculosis
B. emphysema
C. asthma
D. cancer
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Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?
A. Hagfish
B. Fresh water fishes
C. Bony fishes
D. None of theseWhich of the following occurs in anaerobic respiration but not in aerobic respiration?
Which of the following occurs in anaerobic respiration but not in aerobic respiration?
A. Release of CO2
B. Reduction of NAD
C. Formation of ATP
D. Production of ethanol from acetaldehydeIn many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
A. Arthropods
B. Chordata
C. Annelida
D. EchinodermataLength of membranous urethra is about ___________ ?
Length of membranous urethra is about ___________ ?A. 1 cm
B. 2 cm
C. 5 cm
D. 9 cmWhich of the statement about cell membrane is not true?
Which of the statement about cell membrane is not true?
A. It contains protein molecules embedded in lipid bilayer
B. It is a differentially permeable membrane.
C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.
D. It may get infolded to engulf solid or liquid material.Each human kidney receives _______% of total cardiac out put?
Each human kidney receives _______% of total cardiac out put?
A. 10%
B. 20%
C. 30%
D. 40%