Class 11 Biology Excretory Products And Their Elimination MCQs with Answers

Class 11 Biology Excretory Products and Their Elimination MCQs with Answers cater to the specific needs of Sainik School aspirants preparing for biology exams. Tailored to the class 11 curriculum, these multiple-choice questions focus on the intricate topic of excretory products and their elimination. With clear and concise answers, students benefit from efficient self-assessment, honing their understanding of the subject matter. As the Sainik School entrance exams approach, practicing these MCQs not only ensures a comprehensive grasp of essential biology concepts but also aids in developing analytical skills crucial for success.

The inclusion of this resource aligns with Sainik School’s commitment to holistic education, fostering a deep understanding of biological processes. This targeted approach helps aspirants not only excel in the entrance exams but also lays the foundation for future academic achievements in biology and related fields.

Q1. pH of human urine is:

1. 7.0

2. 6.5

3. 6.0

4. 7.5

Q2. Which of the following symptoms will be shown in a person suffering from Diabetes? 1 Mark

1. Haematuria.
2. Glycosuria.
3. Anuria.
4. Paruresis.

Q3. Angiotensinogen is a protein produced and secreted by:

1. Macula densa cells.
2. Endothelial cells (cells lining the blood vessels).
3. Liver cells.
4. Juxtaglomerular (JG) cells.

Q4. Which of the following can be cured by hemodialysis?

1. Renal calculi.
2. Glomerulonephritis.
3. Uremia.
4. All of these can be cured by hemodialysis.

Q5. What is the average amount of urine produced by human in a day?

1. 1.5 litres.
2. 18 litres.
3. 15 litres.
4. 180 litres.

Q6. The yellow pigment derived from heme breakdown and excreted by kidneys is:

1. Uric acid
2. Urochrome
3. Cholesterol
4. Melanin

Q7. The pH of human urine is approximately:

1. 6.5
2. 7
3. 6
4. 7.5

Q8. Reabsorption of water in the distal part of the kidney tubules is controlled by:

1. Oxytocin.
2. Vasopressin.
3. Calcitonin.
4. Adrenalin.

Q9. The renal medulla consists of cone-shaped tissue masses called _.

1. Renal pyramid.
2. Adipose capsule.
3. Renal cortex.
4. Renal pelvis.

Q10. A person who is on a long hunger strike and is surviving only on water, will have:

1. More sodium in his urine.
2. Less amino acids in his urine.
3. More glucose in his blood.
4. Less urea in his urine.

Q11. Glucose is mainly reabsorbed in:

1. Henle’s loop.
2. PCT.
3. Collecting duct.
4. DCT.

Q12. The ability of the vertebrates to produce concentrated (hyperosmotic) urine usually depends upon the:

1. Area of Bowman’s capsule epithelium.
2. Length of Henle’s loop.
3. Length of the proximal convoluted tubule.
4. Capillary network forming glomerulus.

Q13. Reabsorption of useful substances from glomerular filtrate occurs in:

1. Collecting tube.
2. Loop of Henle.
3. Proximal convoluted tubule.
4. Distal convoluted tubule.

Q14. If a man takes large amount of protein, he is likely to excrete more amount of:

1. Glucose.
2. Urea and uric acid.
3. Water.
4. Salts.

Q15. Which one of the following is correctly matched pair of the given secretion and its primary role in human
physiology?

1. Saliva – Tasting food.
2. Tears – Excretion of salts.
3. Sweat – Thermoregulation.
4. Sebum – Sexual attraction.