A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of:
- fats
- ketones
- amino acids
- glucose
The Correct Option is B
Solution and Explanation
During prolonged fasting, when the body's glycogen stores are depleted, it starts breaking down fat for energy. The breakdown of fats produces ketone bodies, such as acetoacetate and beta-hydroxybutyrate, which can be detected in the urine. This condition is known as ketonuria and is a common physiological response to fasting or low-carbohydrate diets. The presence of ketones in urine is an indication that the body is using fat as an energy source.
So, the correct option is (B): ketones
Top Questions on excretory products and their elimination
- Which of the following is excretory material in birds?
- MHT CET - 2025
- Biology
- excretory products and their elimination
What is the primary function of Bowman’s capsule in nephron?
- MHT CET - 2025
- Biology
- excretory products and their elimination
- Match List I with List II
List I List II A Pons I Provides additional space for Neurons, regulates posture and balance. B Hypothalamus II Controls respiration and gastric secretions. C Medulla III Connects different regions of the brain. D Cerebellum IV Neurosecretory cells
Choose the correct answer from the options given below:- NEET (UG) - 2024
- Biology
- excretory products and their elimination
- Which disease is characterized by symptoms such as dehydration, excessive loss of water in urine, and absence of glucose in the urine?
- MHT CET - 2024
- Biology
- excretory products and their elimination
- Which of the following statements best describes the relationship between the hormones ANF and Angiotensin 2 in terms of their physiological effects on the body?
- MHT CET - 2024
- Biology
- excretory products and their elimination
Questions Asked in NEET exam
- Given below are two statements:
Statement I: Fig fruit is a non-vegetarian fruit as it has enclosed fig wasps in it.
Statement II: Fig wasp and fig tree exhibit a mutual relationship as the fig wasp completes its life cycle in the fig fruit and the fig fruit gets pollinated by the fig wasp. - A wire of resistance \(R\) is cut into 8 equal pieces. From these pieces, two equivalent resistances are made by adding four of these together in parallel. Then these two are added in series. The net effective resistance of the combination is:
- NEET (UG) - 2025
- Resistance
- An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to 11 atmospheric pressure at temperature \(27^\circ\)C. The mass of the oxygen withdrawn from the cylinder is nearly equal to: [Given, \(R = \frac{100}{12} \text{ J mol}^{-1} \text{K}^{-1}\), and molecular mass of \(O_2 = 32 \text{ g/mol}\), 1 atm pressure = \(1.01 \times 10^5 \text{ N/m}^2\)]
- NEET (UG) - 2025
- Ideal-gas equation and absolute temperature
The current passing through the battery in the given circuit, is:
- NEET (UG) - 2025
- Current electricity
Three identical heat conducting rods are connected in series as shown in the figure. The rods on the sides have thermal conductivity 2K while that in the middle has thermal conductivity K. The left end of the combination is maintained at temperature 3T and the right end at T. The rods are thermally insulated from outside. In steady state, temperature at the left junction is \(T_1\) and that at the right junction is \(T_2\). The ratio \(T_1 / T_2\) is
- NEET (UG) - 2025
- Conductivity-thermal and electrical
Concepts Used:
Excretory System
Excretory System Organs:
The human excretory system organs include:
- A pair of kidneys
- A pair of ureters
- A urinary bladder
- A urethra
Read More: Excretion in Human Beings
Kidneys:
The organ that has an inner concave structure is the kidney. The blood vessels, nerves, and ureters enter the kidneys through the hilum, which is a notch in the inner concave surface of the kidney. The renal pelvis, a large funnel-shaped space, present inside the hilum, has many projections, called calyces.
Ureter:
A pair of thin muscular tubes called the ureter comes out of each kidney outstretched from the renal pelvis. It is the carrier of urine from the kidney to the urinary bladder.
Urinary Bladder:
It is a muscular sac-like structure, where urine is stored. The urinary bladder is being emptied by the process of micturition, which acts as urination.
Urethra:
This tube rises from the urinary bladder and helps to throw urine out of the body. In males, it works as the common route for sperms and urine. Sphincter muscles guard the opening of the urethra.
Read More: Excretion