AP 4th EVS Unit 4 Sense Organs Workbook Answers

AP 4th EVS Unit 4 Sense Organs Workbook Answers: This AP SCERT Class 4 EVS Workbook Unit 4 "Sense Organs" answer key covers all Worksheets (1 to 6) and the Assessment from the Our Wonderful World workbook, including word practice tables, matching exercises, true/false, fill in the blanks, multiple choice questions (MCQs), and short & long answer questions on eyes, ears, nose, tongue, skin, differently abled persons, and good touch–bad touch safety. Ideal for Class 4 / Class IV parents, teachers, and students searching for AP SCERT EVS Unit 4 Sense Organs workbook solutions, జ్ఞానేంద్రియాలు వర్క్‌బుక్ జవాబులు, and CBSE/State Syllabus sense organs question answers.

Class 4 EVS Unit 4 – Sense Organs (జ్ఞానేంద్రియాలు) Workbook Answer Key

ఈ పాఠంలో మన శరీరంలోని ఐదు జ్ఞానేంద్రియాలు (కళ్ళు, చెవులు, ముక్కు, నాలుక, చర్మం) గురించి, వాటి పని తీరు, సంరక్షణ మరియు మంచి స్పర్శ - చెడు స్పర్శ గురించి తెలుసుకుందాం. ఈ వర్క్‌బుక్ జవాబులు 4వ తరగతి విద్యార్థులకు మరియు తల్లిదండ్రులకు ఉపయోగపడతాయి.

📘 Worksheet – 1 (Page 107–110)

Concept: Sense organs and their functions

I. Rewrite the following words two times.

Sense	Eyes	Ears	Nose	Tongue
Sense, Sense	Eyes, Eyes	Ears, Ears	Nose, Nose	Tongue, Tongue
Skin	Organs	Respond	Sensitive	Healthy body
Skin, Skin	Organs, Organs	Respond, Respond	Sensitive, Sensitive	Healthy body, Healthy body

II. Match the following.

1 (Eye) → D. See (చూడడం)

2 (Ear) → A. Hear (వినడం)

3 (Nose) → E. Smell (వాసనచూడడం)

4 (Tongue) → C. Taste (రుచిచూడడం)

5 (Hand) → B. Touch (తాకడం)

III. Read the paragraph and answer the given questions.

1. How many sense organs do we have? What are they?
   Answer: We have five sense organs. They are the eyes, ears, nose, tongue and skin.
2. Which organ helps us to smell?
   Answer: The nose helps us to smell.
3. What does the tongue do?
   Answer: The tongue helps us to taste food.
4. Why should we take care of sense organs?
   Answer: Sense organs help our body to respond to things around us and they are very sensitive, so we must take care of them to keep them working well.

IV. Multiple Choice Questions.

1. Which organ helps us to see?   A) Ear   B) Nose   C) Eye   D) Skin   ( C )
2. We smell with our ___.   A) Tongue   B) Ear   C) Nose   D) Eye   ( C )

3. Eswar ate a biscuit and felt it was tasty. Which sense organ helped him to know the taste?

A) Skin   B) Nose   C) Ear   D) Tongue   ( D )

4. Which of the following is not a sense organ?

A) Eye   B) Skin   C) Hair   D) Nose   ( C )

V. Answer the following questions in two or three sentences.

1. List any two sense organs and write one function of each.
   Answer: Eyes help us to see things around us. Ears help us to hear sounds.
2. Why are sense organs important?
   Answer: Sense organs are important because they help our body to see, hear, smell, taste and touch the things around us. They help us to understand the world and stay safe from danger.
3. Write any two uses of eyes and ears.
   Answer: Eyes help us to see colours, shapes and read books. Ears help us to hear sounds, music and understand what others speak.

VI. Answer the following questions in four or five sentences.

1. Explain the functions of sense organs.
   Answer: Our body has five sense organs — eyes, ears, nose, tongue and skin. The eyes help us to see, the ears help us to hear, the nose helps us to smell, the tongue helps us to taste food, and the skin helps us to feel touch, heat and cold. These organs help our body to respond to things happening around us, so we must take good care of them.
2. Our sense organs act like security guards and protect us from danger. Explain this with two examples from your daily life.
   Answer: Our sense organs warn us of danger just like security guards. For example, when we touch a hot vessel, our skin quickly feels the heat and we pull our hand away before getting hurt. Another example is when our nose smells smoke, it warns us that there may be a fire nearby so we can move to safety.

📘 Worksheet – 2 (Page 111–113)

Concept: Eyes and Eye Care

I. Rewrite the following words two times.

Sharp	Vision	Eyelashes	Eyelids	Eyebrows
Sharp, Sharp	Vision, Vision	Eyelashes, Eyelashes	Eyelids, Eyelids	Eyebrows, Eyebrows
Light	Distance	Blind	Braille	Appropriate
Light, Light	Distance, Distance	Blind, Blind	Braille, Braille	Appropriate, Appropriate

II. True (T) or False (F).

1. Eyes help us to see colours and shapes.   ( T )
2. Very bright light is good for our eyes.   ( F )
3. We should watch TV from a safe distance.   ( T )
4. Rubbing eyes keeps them healthy.   ( F )
5. Sharp objects can damage our eyes.   ( T )

III. Read the paragraph and answer the given questions.

1. Which organs protect our eyes from dust, sweat and dirt?   A) Nose and ears   B) Eyebrows, eyelids and eyelashes   C) Tongue and teeth   D) Hands and legs   ( B )
2. Why should we keep a distance of 30 cm while reading?   A) To read faster   B) To protect our eyes from strain   C) To finish homework quickly   D) To save electricity   ( B )
3. What may happen if we watch TV or use mobile for a long time?   A) Our eyes become stronger   B) Our eyes may get tired or damaged   C) Our eyes become bigger   D) Our eyesight improves   ( B )
4. How do blind people read?   A) By listening to radio   B) By watching TV   C) By touching Braille script   D) By using normal books   ( C )
5. What is the main message of this paragraph?   A) Eyes are not important   B) We should take care of our eyes   C) Reading is harmful   D) Watching TV is good for eyes   ( B )

IV. Fill the blanks using the clues. (owl, 6 feet, eyes, damage, Braille)

1. Gopal watched his favourite cartoon on TV using his eyes.
2. Phani sat at a safe distance of about 6 feet while watching TV.
3. Madhavi, who cannot see, reads by touching the raised dots of Braille script.
4. The bird that can see clearly even in the dark is the owl.
5. Eswar looked directly at a very bright light. This may damage his eyesight.

V. Answer the following questions in two or three sentences.

1. Why should we not rub our eyes?
   Answer: Rubbing our eyes can hurt them and may push dust further in, causing infection or damage. Instead, we should wash our eyes gently with clean, cool water.
2. What is Braille script?
   Answer: Braille script is a special writing system of raised dots that blind people read by touching with their fingers. It was invented by Louis Braille.
3. Sita wants to keep her eyes healthy. She reads daily, watches TV and plays games on the mobile. How can Sita take care of her eyes?
   Answer: Sita should read in proper light and keep a distance of 30 cm from the book. She should watch TV from at least 6 feet away and avoid playing mobile games for a long time to protect her eyesight.

VI. Answer the following questions in four or five sentences.

1. A boy cannot see the blackboard clearly but can hear the teacher well. Which sense organ needs help? Explain your answer.
Answer: The boy's eyes need help. Since he cannot see the blackboard clearly, it means his sense of sight is weak, even though his ears (hearing) are working well. He should get his eyes checked by a doctor, and he may need to wear spectacles to see clearly. Sitting closer to the blackboard can also help him until he gets proper eye care.

📘 Worksheet – 3 (Page 114–116)

Concept: Nose and Ears – Sense of Smell and Hearing

I. Rewrite the following words two times.

Dust	Sound	Infection	Mask	Loud
Dust, Dust	Sound, Sound	Infection, Infection	Mask, Mask	Loud, Loud
Clean	Noise	Thunder	Itching	Headphones
Clean, Clean	Noise, Noise	Thunder, Thunder	Itching, Itching	Headphones, Headphones

II. Fill the blanks using the clues. (smell, nose, sound, mask, ears)

1. During a morning walk, Raju inhaled fresh air through his nose, which filtered the dust before it reached his lungs.
2. When the school bell rang, Rakesh could hear it because his ears received sound waves.
3. While walking on a dusty road, Pushpa wore a mask to protect her nose and lungs.
4. At a very noisy festival, loud music can damage our ears, so we should cover them or move away.
5. The police dog quickly found the missing child because it has a very strong sense of smell.

III. Read the paragraph and answer the given questions.

1. What does the nose help us to do?
   Answer: The nose helps us to breathe and smell.
2. What happens if we hear loud sounds for a long time?
   Answer: If we hear loud sounds for a long time, it can damage our ears and our sense of hearing.
3. What should we not put inside our nose?
   Answer: We should not put any objects inside our nose.
4. How do nose hairs help us?
   Answer: Nose hairs filter dust and keep the air we breathe clean.

IV. Match the following.

1. Eardrums → C. Very sensitive parts in the ear

2. Inhale Vapour → A. To clear a blocked nose

3. Nose Hairs → B. Filter dust particles

4. Loud Speakers → E. Can damage our sense of hearing

5. Hairpin / Stick → D. Should not be used to clean ears

V. Answer the following questions in two or three sentences.

1. Name the sense organ that helps us hear sounds.
   Answer: The ears help us hear sounds. They receive sound waves and send signals to the brain, which understands the sound.
2. Rohan covers his nose while passing a garbage dump. Why does he do so?
   Answer: Rohan covers his nose to avoid smelling the bad odour from the garbage. This protects his nose from breathing in dirty air and germs.

VI. Answer the following questions in four or five sentences.

1. Why should we clean our eyes and ears regularly?
   Answer: We should clean our eyes and ears regularly to remove dust, dirt and germs that collect on them. Keeping them clean prevents infections and itching, and helps them work properly. Clean eyes and ears keep us healthy and help us see and hear clearly every day.
2. Ravi caught a cold and could not smell or taste his food properly. At the same time, loud sounds from a nearby loudspeaker made him feel uncomfortable. Analyze this situation and explain the functions of the nose and ears based on Ravi's experience.
   Answer: Ravi's nose helps him to smell and breathe, but because of his cold, it was blocked and could not smell properly, which also affected his sense of taste since smell and taste work together. His ears help him to hear sounds, but the very loud noise from the loudspeaker was uncomfortable because loud sounds can harm the sensitive eardrums. This shows that when the nose is unwell, both smell and taste are affected, and that ears need protection from very loud noise.

📘 Worksheet – 4 (Page 117–119)

Concept: Tongue and Skin – Sense of Taste and Touch

I. Rewrite the following words two times.

Taste	Sweet	Bitter	Sour	Hygiene
Taste, Taste	Sweet, Sweet	Bitter, Bitter	Sour, Sour	Hygiene, Hygiene
Speech	Delicious	Gargle	Teeth	Germs
Speech, Speech	Delicious, Delicious	Gargle, Gargle	Teeth, Teeth	Germs, Germs

II. Identify the nature of these objects through touch and fill in the blanks using the clues. (hot, cold, rough, smooth, hard, soft)

1. Coffee — hot
2. Cool drink — cold
3. Rock — hard
4. Pillow — soft
5. Butter — smooth
6. Pineapple — rough

III. Read the paragraph and answer the given questions.

1. Which organ helps us to taste?   A) Eye   B) Ear   C) Tongue   D) Nose   ( C )
2. The largest organ of the body is:   A) Heart   B) Skin   C) Brain   D) Lung   ( B )

3. Which habit is good for tongue care?

A) Eating hot food   B) Cleaning tongue daily   C) Not drinking water   D) Skipping brushing   ( B )

4. Skin protects us from

A) Books   B) Germs   C) Light   D) Sound   ( B )

5. Personal hygiene helps us to stay

A) Weak   B) Sick   C) Healthy   D) Lazy   ( C )

IV. Taste the food items in your kitchen. Write each item in the correct column based on its taste.

⚠ Note: This is a hands-on tasting activity, so answers depend on the actual food items available in each child's kitchen. Sample answers are given below — please personalise with items your child has tasted.

Sweet (తీపి)	Sour (పులుపు)	Bitter (చేదు)	Salty (ఉప్పగా)
Sugar, Mango, Honey	Lemon, Curd, Tamarind	Bitter gourd, Neem	Salt, Pickle, Chips

V. Answer the following questions in two or three sentences.

1. Which sense organ helps us to feel hot or cold?
   Answer: The skin helps us to feel hot or cold. It also helps us feel touch and pain.
2. Why should we clean our mouth and tongue after eating?
   Answer: We should clean our mouth and tongue after eating to remove leftover food particles and germs. This keeps our tongue healthy and prevents bad breath and infections.
3. Ritu touched a hot pan and quickly pulled her hand away. Which sense organ helped her to do this?
   Answer: Ritu's skin helped her feel the heat and quickly pull her hand away to protect her from getting burnt.

VI. Answer the following questions in four or five sentences.

1. Write four sentences explaining how to take care of your tongue and mouth.
   Answer: We should brush our teeth and clean our tongue every day. We should avoid eating very hot food that can hurt the tongue. We should gargle or rinse our mouth with water after every meal. We should drink plenty of water and visit a doctor if we have sores or pain in the mouth.
2. Why should we not play with sharp or pointed objects? How does it harm the skin?
   Answer: We should not play with sharp or pointed objects because they can accidentally cut or prick our skin. This can cause wounds, bleeding and pain, and germs may enter through the cut, leading to infections. So it is safer to stay away from sharp objects while playing.

📘 Worksheet – 5 (Page 120–122)

Concept: Differently Abled Persons

I. Rewrite the following words two times.

Disability	Confidence	Determination	Success	Courage
Disability, Disability	Confidence, Confidence	Determination, Determination	Success, Success	Courage, Courage
Provide	Ability	Willpower	Talent	Opportunities
Provide, Provide	Ability, Ability	Willpower, Willpower	Talent, Talent	Opportunities, Opportunities

II. Match the following.

1. Ravindra Jain → C. Blind singer and music composer

2. Indian Blind Cricket Team → E. Won the Blind T-20 Women's World Cup

3. Arunima Sinha → A. First woman with an artificial leg to climb Mount Everest

4. RPwD Act 2016 → B. Rights of Persons with Disabilities Act

5. Strong willpower → D. More powerful than physical strength

III / IV. Read the paragraph and answer / MCQs.

1. People with disabilities are called:   A) Weak persons   B) Differently abled persons   C) Lazy persons   D) Poor persons   ( B )
2. Which quality helps to achieve success?   A) Fear   B) Laziness   C) Willpower   D) Anger   ( C )
3. Which of the following is provided by the government to differently abled persons?   A) Toys   B) Wheelchairs   C) Games   D) Books   ( B )
4. Self-confidence makes a person:   A) Weak   B) Strong   C) Sad   D) Lazy   ( B )

IV. Collect information about successful people who are differently abled and fill in the table.

⚠ Note: This is an open research/collection activity. Sample additional entries are given below — students may add more names they find.

S.No	Name	Type of disability
1.	Helen Keller	Deaf and blind
2.	Ravindra Jain	Blind (visually impaired)
3.	Arunima Sinha	Leg amputee (physical disability)

V. Answer the following questions in two or three sentences.

1. Who are differently abled persons?
   Answer: Differently abled persons are people who have problems with their sense organs or body parts, such as difficulty seeing, hearing or walking. Many of them achieve great success through hard work and self-confidence.
2. How does the government help differently abled persons?
   Answer: The government provides facilities like ramps, wheelchairs, crutches, callipers and financial support to help differently abled persons live and move more easily.

VI. Answer the following questions in four or five sentences.

1. A school has ramps and special washrooms for children who cannot walk easily. Why is this important?
   Answer: Ramps and special washrooms help children who cannot walk easily to move around the school safely and comfortably, without needing help from others. This gives them equal opportunity to attend school and learn like other children. It also shows respect and care for differently abled students.
2. Your friend cannot hear properly. How can you help him in class?
   Answer: I can sit near him and speak clearly so he can understand better. I can help him by sharing my notes and repeating important points the teacher says. I should always be kind, patient, and never make fun of him for his difficulty in hearing.

📘 Worksheet – 6 (Page 123–125)

Concept: Good Touch and Bad Touch (Safety and Awareness)

I. Rewrite the following words two times.

Safety	Touch	Comfort	Uncomfortable	Stranger
Safety, Safety	Touch, Touch	Comfort, Comfort	Uncomfortable, Uncomfortable	Stranger, Stranger
Trust	Physical	Private	Brave	Scream
Trust, Trust	Physical, Physical	Private, Private	Brave, Brave	Scream, Scream

II. True (T) or False (F).

1. Good touch makes us feel safe and happy.   ( T )
2. We should keep silent about bad touch.   ( F )
3. We must say NO to uncomfortable touch.   ( T )
4. Strangers can touch our private parts.   ( F )
5. We should tell trusted elders about problems.   ( T )

III. Read the paragraph and answer the given questions.

1. What is good touch?
   Answer: Good touch is a touch that makes children feel safe and loved, like a hug from parents or a pat from a teacher.
2. What should you do if someone touches you wrongly?
   Answer: If someone touches me wrongly, I should say NO, move away, scream for help, and tell my parents or teachers.
3. What should children do if someone behaves badly?
   Answer: Children should say NO, move away, scream for help, and tell a trusted elder about it. They should never keep it a secret.
4. How does bad touch make children feel?
   Answer: Bad touch makes children feel uncomfortable and afraid.

IV. Match the following.

1. Good touch → C. Makes us feel safe and happy

2. Bad touch → E. Makes us feel scared and uncomfortable

3. Skin → A. The largest sense organ

4. Personal hygiene → B. Helps to kill germs and stay healthy

5. Stranger → D. An unknown person

V. Answer the following questions in two or three sentences.

1. What is the difference between Good touch and Bad touch?
   Answer: Good touch makes us feel safe, loved and happy, like a hug from parents. Bad touch makes us feel uncomfortable, scared or unsafe, and no one has the right to touch our private parts.
2. Write two rules to help children stay safe from 'bad touch'.
   Answer: 1) Say NO firmly and move away from the person immediately. 2) Tell a trusted elder like parents or teachers about what happened, without keeping it a secret.

VI. Answer the following questions in four or five sentences.

1. Two children are playing. One child suddenly feels uncomfortable when he/she is touched. Why should the child speak up? Explain.
   Answer: The child should speak up because staying silent about an uncomfortable touch can allow it to happen again. Speaking up helps trusted adults know about the problem and protect the child. It also shows courage and helps other children learn that it is okay to say NO to anything that feels wrong.
2. Write about the importance of saying 'NO' and telling elders about any bad touch.
   Answer: Saying 'NO' clearly stops the wrong behaviour and shows that the child does not accept it. Telling elders about bad touch is important because trusted adults can protect the child and take proper action against the person who behaved badly. Keeping such things secret can put the child in danger again, so speaking up and asking for help keeps children safe.

📝 Assessment (Page 126–128)

I. Answer the following.

1. What is the correct distance to keep between the eyes and the book while reading?   A) 10 centimeters   B) 30 centimeters   C) 50 centimeters   D) 100 centimeters   ( B )
2. Seema got dust in her eyes while playing. What is the best thing she should do?   A) Rub her eyes   B) Wash eyes with clean water   C) Close eyes for a long time   D) Cry   ( B )

Fill in the blanks with the correct words.

3. The tiny bumps on our tongue that help us taste food are called taste buds.
4. We should always breathe through our nose to filter the dust particles.

II. Answer the following questions in two or three sentences.

1. Rohan covers his nose while passing a garbage dump. Why does he do so?
   Answer: Rohan covers his nose to avoid smelling the bad odour from the garbage and to protect his nose from dirty air and germs.
2. Which sense organ helps us to hear sound?
   Answer: The ears help us to hear sound.
3. List any two sense organs and write one function of each.
   Answer: Eyes help us to see things. Tongue helps us to taste food.

III. Answer the following questions in four or five sentences.

1. What should you do if a stranger tries to give you a gift or touches you uncomfortably? Write the 3 safety steps (The 'NO' rule).
   Answer: If a stranger tries to give me a gift or touches me uncomfortably, I will follow the 'NO' rule: 1) Say NO firmly and refuse the gift or touch. 2) Get away fast and move to a safe place. 3) Scream for help and tell a trusted elder like my parents or teacher immediately.
2. If your friend tells you someone gave her a bad touch, how will you help her?
   Answer: I will listen to my friend carefully and believe what she says. I will comfort her and tell her that it is not her fault. I will encourage her to tell a trusted adult like her parents or a teacher, and if needed, I will go with her to inform them so she gets help quickly.

VI. Answer the following questions in five or six sentences.

1. Write about the "Five Sense Organs".

a) Name the 5 sense organs: The five sense organs are the eyes, ears, nose, tongue and skin.

b) One main function of each: Eyes help us to see. Ears help us to hear. Nose helps us to smell. Tongue helps us to taste. Skin helps us to feel touch, heat and cold.

c) Three tips for body hygiene: 1) Take a bath daily and wear clean clothes. 2) Brush our teeth and clean our tongue every day. 3) Wash our hands before eating and after playing.

d) Helping a friend who cannot hear properly: I will sit near him, speak clearly, and share my notes so he does not miss anything taught in class.