Practice question

MCQ

Question

Humans have the ability to detect and discriminate at least 10,000 different odorants because we have one of the most evolved ____ system.

Options

Choose one · Correct answer highlighted

Auditory Gustatory Olfactory Correct Tactile

Explanation

Olfactory epithelium contains millions of olfactory receptor neurons expressing around 400 functional odorant receptor types. Combinatorial activation allows discrimination of over 10,000 odorants. Humans possess highly evolved olfactory system for smell perception and memory.

Share this question

Discussion

Comments

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Related blogs

Guides and insights connected to this topic

Class IX Science 14 Sep 2026

Exploring Mixtures and their Separation Notes - Types of Mixtures, Separation Methods and Solutions

Learn how mixtures are classified as homogeneous or heterogeneous and discover basic separation methods such as filtration, evaporation and distillation.

Class X Science 13 Sep 2026

Sustainable Management of Natural Resources Class 10 Notes - 5Rs, Stakeholders, Dams, Water Harvesting and Fossil Fuels

Explore Class 10 notes on sustainable management of natural resources, covering the 5Rs, stakeholder roles, dams, water harvesting and fossil fuels.

Class IX Science 13 Sep 2026

Exploration Notes - Scientific Models, Laws, Theories, Estimates and Interdisciplinary Science

Learn how scientists turn observations into measurements, use symbols, build models, and revise ideas in physics, chemistry, biology and earth science.