Which one of the following hormones reduces blood pressure?
1. Antidiuretic hormone
2. Atrial Natriuretic factor
3. Aldosterone
4. Angiotensin-II
Terrestrial adaptations necessitated the production of :
1. | Highly toxic nitrogenous wastes like urea and uric acid |
2. | Lesser toxic nitrogenous wastes like urea and uric acid |
3. | Lesser toxic nitrogenous wastes like ammonia and urea |
4. | Highly toxic nitrogenous wastes like ammonia and urea |
Column I [Organism] |
Column II [Osmoregulatory and excretory structure] |
||
A | Flatworms, rotifers, Amphioxus | P | Protonephridia |
B | Earthworm | Q | Nephridia |
C | Insects | R | Malpighian tubule |
D | Prawn | S | Green gland or antennal gland |
A | B | C | D | |
1. | P | Q | R | S |
2. | Q | R | S | P |
3. | R | S | P | Q |
4. | S | P | Q | R |