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GK Questions and Answers on Excretory System of Animals

The process of removal of toxic wastes from the body of an organism is called excretion. It takes place in plants as well as in animals. Organs that are responsible for excretion in animals, why is it necessary to excrete, what are nitrogenous waste etc. are discussed in the form of questions and answers.
Dec 31, 2019 17:59 IST
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GK Quiz on Excretory System
GK Quiz on Excretory System

Plants and animals are made up of cells. For sustaining the life of an organism cells plays an important role. These cells work in the form of biochemical reactions which carry out all the time. These reactions in the body may produce poisonous wastes or toxic wastes which is necessary to remove them from the body because accumulation of these toxic substances may harm organism. So, the process of removal of toxic wastes from the body of an organism is called excretion. It takes place in both plants and animals. 

1. In amoeba excretion takes place through the process of:
A. Diffusion
B. Infusion
C. Uricotelic
D. None of the above
Ans. A
2. Name the excretory organ present in earthworm through which excretion takes place?

A. Moist Skin
B. Nephridia
C. Both A and B
D. Only B
Ans. C
3. The major waste produced by human body are:

A. Carbon dioxide
B. Urea
C. Both A and B
D. Only B
Ans. C
4. Which organ in the human body is responsible for removing carbon dioxide from the body?

A. Kidney
B. Lungs
C. Blood
D. Ureter
Ans. B
5. Each kidney is made up of a large number of excretory units called:

A. Glomerulus
B. Bowman’s Capsule
C. Nephron
D. Blood capillaries
Ans. C

How many types of Kidney Stones are formed in Human Body
6. In which of the following are the largest amounts of nitrogen excreted from a mammalian body?

A. Breath
B. Sweat
C. Urine
D. Faeces
Ans.C
7. The best long term solution for kidney failure is:
A. Dialysis
B. Kidney transplant
C. Both A and B
D. Only B
Ans. B
8. What types of nitrogenous wastes are excreted by living organisms?

A. Ammonia
B. Uric acid
C. Urea
D. All of the above
Ans. D
9. Name the organs that make up the excretory system in humans?

A. Two Kidneys
B. Two Ureters
C. Bladder and Urethra
D. All of the above
Ans. D
10. Which vessel carries blood to the kidneys?

A. Renal Arteries
B. Renal Vein
C. Both A and B
D. Only A
Ans. D
From the above article we have learn what is excretion, organs that participate in excretion etc. in the form of MCQs.

Excretory System in Humans