Skip to main content
Super TutorResources
Chapter 11 of 16
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Revision Notes

Sense Organs

ICSE · Class 10 · Biology

Quick revision notes for Sense Organs — ICSE Class 10 Biology. Key concepts, formulas, and definitions for last-minute revision.

43 questions28 flashcards5 concepts

Interactive on Super Tutor

Studying Sense Organs? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

1,000+ Class 10 students started this chapter today

A flowchart illustrating the pathway from stimulus detection by a receptor (sense organ) to the brain's interpretation and the body's response via an effector.
Super Tutor

This is just one of 5+ visuals inside Super Tutor's Sense Organs chapter

Explore the full set

Key Topics to Revise

1

Basic Concepts and Terminology

  • Sense organs are specialized organs that receive external or internal changes, also called receptors
  • Stimulus (plural: stimuli) - Any change that may affect body function
  • Response - Reaction of the body to a stimulus
2

Types of Receptors

  • Mechanoreceptors - Detect sound, touch, vibrations, pressure (ears, skin)
  • Thermoreceptors - Sense temperature changes (nerve endings in skin)
  • Chemoreceptors - Sense chemical stimuli (nose, tongue)
3

Structure of Human Eye

  • Eyes are spherical, located in orbits of skull bones
  • Six ocular muscles keep eye in fixed position
  • Protected by upper and lower eyelids with eyelashes
4

Functions of Eye Parts

  • Rhodopsin (visual purple) in rods - enables night vision, requires Vitamin A
  • Iodopsin (visual violet) in cones - detects red, blue, green colors
  • Macula lutea - area of brightest vision with fovea centralis

Get complete notes with diagrams and examples

Full Notes

Key Concepts

A stimulus is any changeReceptors are classified based on locationThe eye has three main layersCommon defects include myopia (nearsightedness correctedThe ear has three parts

Frequently Asked Questions

What are the important topics in Sense Organs for ICSE Class 10 Biology?
Sense Organs covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sense Organs — ICSE Class 10 Biology?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Sense Organs

All 16 chapters — ICSE Class 10 Biology Revision Notes

For serious students

Get the full Sense Organs chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 10 Biology.

Try Super Tutor Free
Try the full chapter — Free