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NEET • BIOLOGY • EXCRETORY PRODUCTS AND THEIR ELIMINATION
Excretory products and their elimination practice · Hard
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All of the following can be eliminated by sebaceous glands through sebum except
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Correct option: B
Lactic acid
Option B (Lactic acid) is correct because sebaceous glands primarily secrete sebum containing sterols, waxes, and hydrocarbons, but not lactic acid.
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The reabsorption of water in the following part of nephron is obligatory
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Correct option: C
PCT
Option C (PCT) is correct because the proximal convoluted tubule is responsible for the obligatory reabsorption of about 65% of the filtered water, along with other essential solutes.
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Remembering
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Glomerular filtrate is isotonic to blood plasma in
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Correct option: A
PCT of nephron
Option A is correct because the glomerular filtrate is isotonic to blood plasma in the PCT of the nephron.
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Hard
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Understanding
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Read the following statements carefully w.r.t. a healthy adult human
a. Around of urea is excreted per day
b. Glomerular filtration rate in a healthy individual is around day
c. Our lungs remove around of per hour
d. Around 1-1.5 of urine is excreted per day by an adult human
Choose the correct answer from the options given below:
a. Around of urea is excreted per day
b. Glomerular filtration rate in a healthy individual is around day
c. Our lungs remove around of per hour
d. Around 1-1.5 of urine is excreted per day by an adult human
Choose the correct answer from the options given below:
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Correct option: C
a, b and d are correct
Option C (a, b and d are correct) is correct because the stated values for urea excretion, GFR, and urine excretion are within normal ranges for a healthy adult human.
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Given below are two statements.
Statement I: A hairpin-shaped Henle's loop which has a descending and ascending limb.
Statement II: A large vessel of the network runs parallel to the Henle's loop forming a 'U' shaped vasa recta.
In the light of the above statements choose the most appropriate answer from the options given below.
Statement I: A hairpin-shaped Henle's loop which has a descending and ascending limb.
Statement II: A large vessel of the network runs parallel to the Henle's loop forming a 'U' shaped vasa recta.
In the light of the above statements choose the most appropriate answer from the options given below.
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Correct option: C
Statements I is correct but statement II is incorrect
Statement I is correct, while Statement II is incorrect because the vasa recta runs parallel to the Henle's loop, but it is fenestrated and highly permeable to water and solutes, not a large vessel.
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