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Sense Organs — Flashcards

ICSE · Class 10 · Biology

44 flashcards for Sense Organs (ICSE Class 10 Biology) to test yourself on key terms and facts. Sample: "What are sense organs and why are they"

42 questions44 flashcards5 concepts

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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.
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44 Flashcards·
Introduction to sense organsBasic termsResponse mechanismTypes of receptors
Card 1Introduction to sense organs

What are sense organs and why are they important?

Answer

Sense organs receive external or internal changes and are called receptors. They detect stimuli, send information to the brain, and help the body produce a response. Without them, the body cannot sens…

Card 2Basic terms

What is a stimulus?

Answer

A stimulus is a change in the environment or within the body which produces response. Examples include light entering the eye, sound reaching the ear, or a change inside the body that needs attention.

Card 3Basic terms

What is an effector?

Answer

An effector is a body part whose activity leads to a response. It may be muscles or glands. For example, muscles help in movement, and glands help in secretion.

Card 4Response mechanism

How do receptors, brain, and effectors work together?

Answer

A receptor detects a stimulus and sends information to the brain through nerve fibres. The brain analyses the information and sends instructions to an effector. The effector then produces the response…

Card 5Types of receptors

Differentiate between exteroceptors and interoceptors.

Answer

Exteroceptors are receptors present outside the body and detect changes from the external environment. Interoceptors are receptors present within the body and detect internal changes such as pH, oxyge…

Card 6Types of receptors

What are mechanoreceptors? Give examples.

Answer

Mechanoreceptors detect sound, touch, and other vibrations and pressure. Ears and skin are examples of mechanoreceptors.

Card 7Types of receptors

What are thermoreceptors?

Answer

Thermoreceptors sense any change in temperature of the environment. Nerve endings in the skin act as thermoreceptors and help the body feel hot and cold.

Card 8Types of receptors

What are chemoreceptors? Give examples.

Answer

Chemoreceptors sense chemical stimuli. Receptors in the nose and on the tongue are chemoreceptors and help in smell and taste.

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Frequently Asked Questions

What are the important topics in Sense Organs for ICSE Class 10 Biology?
Key topics in Sense Organs include Sense Organs, Stimulus and Response, Structure of the Eye, Photoreceptors and Image Formation, Common Defects of Vision. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many flashcards are available for Sense Organs?
There are 44 flashcards for Sense Organs covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Sense Organs for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 42 practice questions on Sense Organs. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

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

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