Excretory Products and their Elimination

Excretory Products and their Elimination

Easy Questions
Moderate Questions
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Advanced Zoology

Animal Kingdom
Structural Organisation in Animals
Digestion and Absorption
Breathing and Exchange of Gases
Body Fluids and Circulation
Excretory Products and their Elimination
Locomotion and Movement
Neural Control and Coordination
Chemical Coordination and Integration
Human Reproduction
Human Health and Disease
Biotechnology Principles and Processes
Biomolecules (Zoology)
Evolution (Zoology)
Biotechnology and its Applications
Reproductive Health
  1. Nitrogenous waste products are eliminated mainly as








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    Ammonia molecules are small and highly soluble in water. In ammonotelic animals large amount of H2O is required to eliminate ammonia from the body, so it is found in aquatic animals like tadpole of frog. When tadpole becomes a mature frog it acquires mainly ureotelism.

    Correct Option: B

    Ammonia molecules are small and highly soluble in water. In ammonotelic animals large amount of H2O is required to eliminate ammonia from the body, so it is found in aquatic animals like tadpole of frog. When tadpole becomes a mature frog it acquires mainly ureotelism.

  1. Proximal and distal convoluted tubules are parts of








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    Nephron is the excretory unit of human excretory system. Each nephron has a Bowman’s Capsule, a Proximal Convoluted Tubule (PCT), Loop of Henle (Descending & Ascending limbs) and Distal Convoluted Tubule (DCT) which then enter into collecting duct.

    Correct Option: B

    Nephron is the excretory unit of human excretory system. Each nephron has a Bowman’s Capsule, a Proximal Convoluted Tubule (PCT), Loop of Henle (Descending & Ascending limbs) and Distal Convoluted Tubule (DCT) which then enter into collecting duct.

  1. Which one of the following characteristics is common to both in humans and adult frogs?








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    Adult frog and human exhibit ureotelism because there excretory waste product is urea.

    Correct Option: D

    Adult frog and human exhibit ureotelism because there excretory waste product is urea.

  1. Which one of the following is not a part of a renal pelvis?








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    Renal pelvis is the innermost portion of kidney. So, collecting ducts are not a part of renal pelvis.

    Correct Option: C

    Renal pelvis is the innermost portion of kidney. So, collecting ducts are not a part of renal pelvis.

  1. Which one of the following correctly explains the function of a specific part of a human nephron?








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    Podocytes are highly specialized cells with a complex cytoarchitecture plays a major role in establishing the selective permeability of glomerular filtration barrier.

    Correct Option: A

    Podocytes are highly specialized cells with a complex cytoarchitecture plays a major role in establishing the selective permeability of glomerular filtration barrier.