- 1(current)
Q. No.Which one of the following options gives the correct categorization of six animals according to the type of nitrogenous wastes (A, B, C) they give out?
| A AMMONOTELIC |
B UREOTELIC |
C URICOTELIC |
|
| 1. | Frog, Lizards | Aquatic Amphibia, Humans | Cockroach, Pigeon |
| 2. | Aquatic Amphibia | Frog, humans | Pigeon, Lizards, Cockroach |
| 3. | Aquatic Amphibia | Cockroach, Humans | Frog, Pigeon, Lizards |
| 4. | Pigeon, Humans | Aquatic Amphibia, Lizards | Cockroach, Frog |
Which one of the following characteristics is common in both humans and adult frogs?
1. Internal fertilization
2. Nucleated RBCs
3. Ureotelic mode of excretion
4. Four-chambered heart
1. birds and annelids
2. amphibians and reptiles
3. insects and amphibians
4. reptiles and birds
The principal nitrogenous excretory compound in humans is synthesised:
1. in kidneys but eliminated mostly through liver
2. in kidneys as well as eliminated by kidneys
3. in liver and also eliminated by the same through bile
4. in the liver, but eliminated mostly through kidneys
In which one of the following organisms its excretory organs are correctly stated?
| 1. | Earthworm - Pharyngeal, integumentary and septal nephridia |
| 2. | Cockroach - Malpighian tubules and entire caeca |
| 3. | Frog - Kidneys, skin and buccal epithelium |
| 4. | Humans - Kidney, sebaceous glands and fear glands |
Uric acid is the chief nitrogenous component of the excretory products of:
1. man
2. earthworm
3. cockroach
4. frog
Consider the following four statements (A-D) about certain desert animals such as kangaroo rats:
| A. | they have a dark colour and a high rate of reproduction and excrete solid urine. |
| B. | they do not drink water, breathe at a slow rate to conserve water, and have their body covered with thick hairs. |
| C. | they feed on dry seeds and do not require drinking water. |
| D. | they excrete very concentrated urine and do not use water to regulate body temperature. |
Which two of the above statements for such animals are true?
| 1. | C and D | 2. | B and C |
| 3. | C and A | 4. | A and B |
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
Earthworms are:
1. ureotelic when plenty of water is available
2. uricotelic when plenty of water is available
3. uricotelic under conditions of water scarcity
4. ammonotelic when plenty of water is available
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.