MEDIUM
Earn 100

List the metabolic waste products of living organisms.

Important Questions on Excretion and Osmoregulation

MEDIUM

Match List I and List II

  List I   List II
A Taenia I Nephridia
B Paramoecium II Contractile vacuole
C Periplaneta III Flame cells
D Pheretima IV Uricose gland

Choose the correct answer from the options given below: 

EASY
Nitrogenous waste is excreted in the form of pellet or paste by:
EASY
The major nitrogenous excretory product in mammals is:
MEDIUM
Discuss the statement: The nature of nitrogenous waste and its excretion depends on the availability of water. Explain it using any two examples.
EASY
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :
MEDIUM

Give appropriate biological or technical terms for the following:

Process of maintaining water and salt balance in the blood.

EASY
A patient suffering from cholera is given saline drip because
EASY
Name the major excretory products. How are these products eliminated from the body?
HARD

A patient suffering from cholera is given saline drip because

HARD
When a fresh water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will
MEDIUM
Describe how the kidney helps in osmoregulation in man.
EASY

Solenocytes are the main excretory structures in

EASY
The most abundant, harmful and universal waste product of metabolism is
HARD

Consider the following four statements (a-d) about certain desert animals such as kangaroo, rat.

(a) They have dark colour and 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 hair

(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?

HARD
Which of the following can be termed as osmoconformers?
MEDIUM
Loss of water from body occurs by all of the following except