Excretion in Animals

IMPORTANT

Excretion in Animals: Overview

This Topic covers sub-topics such as Urea, Excretion, Osmoregulation, Excretory Products and Their Elimination, Excretory Organs, Ammonotelism, Ureotelism, Uricotelism, Non Nitrogenous Waste Materials and, Nitrogenous Waste Materials

Important Questions on Excretion in Animals

EASY
IMPORTANT

The main nitrogenous waste formed in the body of a human is urea.

EASY
IMPORTANT

_____ (Urea/Ammonia) is formed through the ornithine cycle in the body of a human.

EASY
IMPORTANT

Which of the following substance is the main nitrogenous waste formed in the body of a human?

EASY
IMPORTANT

The main nitrogenous waste in the body of a human is ammonia.

EASY
IMPORTANT

Urea is formed in the _____ (liver/stomach) in the body of a human.

EASY
IMPORTANT

Uricotelic mode of excreting nitrogenous waste is found in

MEDIUM
IMPORTANT

Uric acid is the chief nitrogenous component of the excretory product of

EASY
IMPORTANT

Which of the following is both osmoregulator and a nitrogenous product?

MEDIUM
IMPORTANT

Excretory organs of cockroach are

EASY
IMPORTANT

Nitrogenous excretory product of frog tadpole is:

EASY
IMPORTANT

Reptiles, birds, land snails and insects excrete nitrogenous wastes as uric acid in the form of pellet or paste with a minimum loss of water and are called _____.

EASY
IMPORTANT

Which one of the following is the normal constituent of urine?

MEDIUM
IMPORTANT

Conservation of water is possible in this mode of excretion.

MEDIUM
IMPORTANT

Nitrogenous waste which is less toxic, soluble in water and formed during the ornithine cycle is

EASY
IMPORTANT

Mode of excretion in bony fishes is

MEDIUM
IMPORTANT

Define Osmoregulation.

EASY
IMPORTANT

Name the excretory product of freshwater fishes.(Ammonia/Urea)

EASY
IMPORTANT

Which is the most toxic excretory product formed in animals? (Ammonia/Methane)

MEDIUM
IMPORTANT

Write a note on Uricotelism.

MEDIUM
IMPORTANT

Write a note on Ureotelism.