Match each item in Column I with one item in Column II and chose your answer from the codes given below:
Column I (animal) |
Column II (excretory product) |
I. Aquatic turtles II. Crocodiles III. Humans |
1. ammonia and urea 2. urea and CO2 3. ammonia and uric acid |
Codes:
I II III
1. 1 2 3
2. 2 3 1
3. 2 1 3
4. 1 3 2
Uricotelic mode of passing out nitrogenous wastes is found in
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
Uric acid is the chief nitrogenous component of the excretory products of
1. man
2. earthworm
3. cockroach
4. frog
Which one of the following pair of items correctly belongs to the category of organs
mentioned against it?
1. Analogous organs - Thorn of Bougainvillea and tendrils of Cucurbita
2. Vestigial organs - Nictitating membrane and blind spot in human eye
3. Excretory organs - Nephridia of earthworm and Malpighian tubules of cockroach
4. Homologous organs - Wings of honey bee and wings of crow