A large quantity of one of the following is removed from our body by lungs.
1. CO2 only
2. H2O only
3. CO2 and H2O
4. ammonia
The pH of human urine is approximately
1. 6.5
2. 7
3. 6
4. 7.5
Different types of excretory structures and animals are given below. Match them appropriately and mark the correct answer from among those given below
Excretory Structure/Organ | Animals | ||
A. | Protonephridia | 1. | Prawn |
B. | Nephridia | 2. | Cockroach |
C. | Malpighain tubules | 3. | Earthworm |
D. | Green gland or antennal gland | 4. | Flatworms |
Codes
A | B | C | D | |
1. | 4 | 3 | 2 | 1 |
2. | 2 | 3 | 1 | 2 |
3. | 4 | 3 | 1 | 2 |
4. | 2 | 3 | 2 | 4 |
Which one of the following statements is incorrect?
1. | Birds and land snails are uricotelic animals |
2. | Mammals and frogs are ureotelic animals |
3. | Aquatic amphibians and aquatic insects are ammonotelic animals |
4. | Birds and reptiles are ureotelic |
Which of the following pairs is wrong?
1. Uricotelic ......... Birds
2. Ureotelic ......... Insects
3. Ammonotelic ......... Tadpole
4. Ureotelic .......... Elephant
Which one of the following statement is incorrect?
1. | The medullary zone of kidney is divided into a few conical masses called medullary pyramids projecting into the calyces. |
2. | Inside the kidney the cortical region extends in between the medullary pyramids as renal pelvis. |
3. | Glomerulus along with Bowman’s capsule is called the renal corpuscle. |
4. | Renal corpuscle, Proximal Convoluted Tubule (PCT) and Distal Convoluted Tubule (DCT) of the nephron are situated in the cortical region of kidney. |
The condition of accumulation of urea in the blood is termed as
1. renal calculi
2. glomerulonephritis
3. uremia
4. ketonuria
Which one of the following is also known as antidiuretic hormone?
1. Oxytocin
2. Vasopressin
3. Adrenaline
4. Calcitonin
Match the following columns.
Column I | Column II | ||
A. | Proximal convoluted tubule. | 1. | Formation of concentrated urine |
B. | Distal convoluted tubule | 2. | Filtration of blood |
C. | Henle’s loop | 3. | Reabsorption of 70-80% of electrolytes |
D. | Counter current mechanisms | 4. | lonic balance |
E. | Renal corpuscle | 5. | Maintenance of concentration gradient in medulla. |
Codes
A | B | C | D | E | |
1. | 3 | 5 | 4 | 2 | 1 |
2. | 3 | 4 | 1 | 5 | 2 |
3. | 1 | 3 | 2 | 5 | 4 |
4. | 3 | 1 | 4 | 5 | 2 |
Match the following columns.
Column I | Column II | ||
A. | Glycosuria | 1. | Accumulation of uric acid in joints |
B. | Renal calculi | 2. | Inflammation in glomeruli |
C. | Glomerular nephritis | 3. | Mass of crystallised salts within the kidney |
D. | Gout | 4. | Presence of glucose in urine |
Codes
A | B | C | D | |
1. | 1 | 3 | 2 | 4 |
2. | 3 | 2 | 4 | 1 |
3. | 4 | 3 | 2 | 1 |
4. | 4 | 2 | 3 | 1 |