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Glomerular filtrate is 1. formed conti...

Glomerular filtrate is
1. formed continuously by the process of ultrafiltration occurring at Malpighian corpuscles, in which the blood cells and the colloidal macromolecules are not allowed to pass across the filtering surface
2. the electrolyte free fluid collected within the lumen of Bawman's capsule
3. the protein free fluid collected within the lumen of Bowman's capsule
4. formed by the process of selective reabsorption

A

1, 2 and 3 are correct

B

1 and 2 are correct

C

2 and 4 are correct

D

1 and 3 are correct

Text Solution

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The correct Answer is:
D
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Find the correct answer about glomerular filtrate 1. Formed continuously through ultrafilration of blood 2. Liquid free fluid collects in the lumen of Bowman's capsule 3. Protein free fluid collects in the lumen of Bowman's capsule 4. formed by process of selective reabsorption

Assertion :- Ultrafiltration takes place in presence of effective filtration pressure . Reason :- In ultrafiltratio process blood is filtered In bowman's capsule, filtered fluid contain protein & Blood corpuscles also

Assertion: Ultrafiltration takes place in presence of effective filtration pressure . Reason: In ultraiiltration process, blood is filtered in Bowman’s capsule, filtered fluid contain protein and blood corpuscles also

When a sound wave enters the ear, it sets the eardrum into oscillation, which in turn causes oscillation of 3 tiny bones in the middle ear called ossicles. This oscillation is finally transmitted to the fluid filled in inner portion of the ear termed as inner ear, the motion of the fluid disturbs hair cells within the inner ear which transmit nerve impulses to the brain with the information that a sound is present. The theree bones present in the middle ear are named as hammer, anvil and stirrup. Out of these the stirrup is the smallest one and this only connects the middle ear to inner ear as shown in the figure below. The area of stirrup and its extent of connection with the inner ear limits the sensitivity of the human ear consider a person's ear whose moving part of the eardrum has an area of about 50mm^2 and the area of stirrup is about 5mm^2 . The mass of ossicles is negligible. As a result, force exerted by sound wave in air on eardum and ossicles is same as the force exerted by ossicles on the inner ear. Consider a sound wave having maximum pressure fluctuation of 4xx10^-2Pa from its normal equilibrium pressure value which is equal to 10^5Pa . Frequency of sound wave in air is 332(m)/(s) . Velocity of sound wave in fluid (present in inner ear) is 1500(m)/(s) . Bulk modulus of air is 1.42xx10^5Pa . Bulk modulus of fluid is 2.18xx10^9Pa . Q. This person (without hearing aid machine) is sitting inside a busy restaurant where average sound intensity is 3.2xx10^-5(W)/(m^2) . How much energy in the form of sound is taken up by the person in his meal time of 1 h?

TRUEMAN BIOLOGY-EXCRETORY PRODUCTS AND THEIR ELIMINATION-MULTIPLE CHOICE OUESTIONS
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