Why ammonia is highly toxic?

Important Questions on Excretion and Osmoregulation

EASY

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Find out>Q 1

You have studied a type of arthritis called gouty arthritis caused due to accumulation of uric acid in joints. Where does uric acid come from in the case of ureotelic human beings?

EASY

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Think about it>Q 1

During summer, we tend to produce less urine, why is it so ?

HARD

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Use your brain power>Q 1

What would happen if human being has no option but to drink sea water ?

HARD

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Think about it>Q 1

Like ectothermic and endothermic animals, do organisms differ in the way they maintain salt balance?

HARD

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Find out>Q 1

How do freshwater fishes and marine fishes carry out osmoregulation ?

HARD

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Make a table>Q 1

The details of modes of excretion of nitrogenous wastes.

HARD

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Make a table>Q 2

List the various excretory organs found in various animal phyla.

MEDIUM

11th Maharashtra Board

IMPORTANT

Biology>Chapter 15 - Excretion and Osmoregulation>Use your brain power>Q 1

Creatinine is considered as index of kidney function. Give reason.