Excretion MCQs with Answers

Excretion MCQs

Hello students, our today’s topic is ‘Excretion’. The removing of metabolic waste is known as excretion and it is very important. Metabolic is a waste of results of organism’s metabolic reaction and it is the sum of all the chemical reactions that occurs in body. These metabolic reactions are divided into two parts that is anabolic and catabolic.

The following set of MCQ will provide you more information about ‘excretion’ topic.

MCQ.1):The removing of cellular waste or metabolic waste is known as ………………………………………………………………….

a) Excretion

b) Chemical reaction

c) Catabolism

d) Metabolism

MCQ.2): Excretion process is not removal of …………………………………………………………….

a) Metabolism waste

b) Catabolism waste

c) Undigested food material

d) Anabolism waste

MCQ. 3): Which of the following are important waste products in excretion process?

a) CO2

b) Nitrogen compounds

c) Salts

d) All of them

MCQ.4): The nitrogen compound ammonia, uric acid and urea are produced by the breakdown of ……………………………………………………………….….

a) Metabolism

b) Cellular respiration

c) Protein digestion

d) Salts

MCQ.5): Which is the toxic nitrogenous waste should be removed from the body?

a) Oxygen

b) Proteins

c) Ammonia

d) Glucose

MCQ.6): In the aquatic or watery environment, organisms can excrete ammonia directly in the environment by ……………………………………………………………….

a) Diffusion

b) Respiration

c) Digestion

d) None of them

MCQ.7): Paramecium is fresh water organism that can excrete a large amount of ………………………………………………… using their contractile vacuoles.

a) Ammonia

b) CO2

c) Oxygen

d) Water

MCQ.8): In the humans, nitrogenous waste ammonia is converted into Urea by ……………………………………………….. Organ.

a) Stomach

b) Liver

c) Small intestine

d) Heart

MCQ.9): Soluble urea can be eliminated in the form of ………………………………………………………….

a) Urine

b) Sweat

c) CO2

d)a) and b) both

MCQ.10): In the earthworm, carbon dioxide is excreted through their ………………………………………………………………….

a) Nose

b) Moist skin

c) Heart part

d) Abdomen

MCQ.11): The dry waste uric acid is excreted by the ……………………………………………………………………..

a) Birds

b) Fishes

c) Reptiles

d) Humans

 

 

Answer

1) a) Excretion

2) c) Undigested food material

3) d) All of them

4) c) Protein digestion

5) c) Ammonia

6) a) Diffusion

7) d) Water

8) b) Liver

9) d) a) and b) both

10) b)Moist skin

11) a) Birds


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