AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Andhra Pradesh AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System Textbook Exercise Questions and Answers.

AP State Syllabus 5th Class EVS Solutions Lesson 4 Know Our Organ System

I. Conceptual Understanding:

Question 1.
Name the parts of the circulatory system?
Answer:

  1. Blood,
  2. Heart and
  3. Blood vessels are the main parts of circulatory system.

The heart pumps the blood through the blood vessels to all parts of the body and keeps it in circulation.

Question 2.
Which system is responsible for our body’s movement?
Answer:
The skeletal system and muscles give us shape and support and helps in movement of our body parts.

Question 3.
What is inhalation and what is exhalation?
Answer:
Inhalation:
Inhalation is the process of taking in air containing oxygen.

Exhalation:
It is the process of giving out rich containing carbondioxide.
These are the basic process of breathing. One breath involves one complete inhalation and exhalation.

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

II. Questioning and Hypothesis:

Question 4.
If you have a chance to meet a doctor(cardiologist), what type of questions would you ask about the heart?
Answer:

  1. What is cardiology?
  2. Where does the heart located?
  3. How does the heart work?
  4. How is it protected?

III. Experiments and field observations:

Question 5.
Place your hand on the heart and feel the heart beat carefully. Run for some time and feel it again. Do you find any difference? Write the difference with reasons?
Answer:
I have observed by placing my hand on the heart. In general my heart beat will be in between 60-100 beats per minute. After running for some time I feel that my heart beat becomes more than the normal heart beat.

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

IV. Information Skills & Project Work:

Question 6.
Visit a doctor or health volunteer near by and ask the functions of vital organs. Make a brief note.
Answer:
Student activity.

V. Drawing Pictures and Model Making:

Question 7.
Draw the following on a chart.Label them and display them in the classroom?
(i) Digestive system
(ii) Excretory system
Answer:
Student activity.

VI. Appreciation, values, application to dialy life:

Question 8.
What amazes you in these body parts? Write down ?
Answer:
Our body is an amazing machine. All the systems in our body have to work together to keep us healthy. The digestive system digests food. Respiratory system provides oxygen.
The circulatory system transports oxygen and nutrients to all the parts of the body and the excretory system collects waste products from all the parts and send them out. The nervous system makes sure all the system work and respond properly.

Additional Questions:

I. Conceptual Understanding:

Question 1.
What are the different organ systems in our body? Mention their parts and functions in a tabular form?
Answer:

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System 1

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

II. Information Skills & Project Work:

Question 2.
Prepare a working model of lungs as shown in the picture with three balloons, three straws a plastic bottle and a bottle cap.

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System 2

Answer:
Students activity.

III. Experiments and Model Making:

Question 3.
Fill in the table.

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System 3

Answer:
Students activity.

IV. Multiple Choice Questions:

Choose the correct answer:

Question 1.
The organs located inside our body are called ________. ( A )
A) internal organs
B) external organs
C) organs
D)none
Answer:
A) internal organs

Question 2.
________ protects our internal organs. ( B )
A) Respiratory system
B) Skeletal system
C) Nervous system
D)None
Answer:
B) Skeletal system

Question 3.
________ helps the body to stand erect. ( C)
A) Skull
B) Rib cage
C) Backbone
D) None
Answer:
C) Backbone.

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Question 4.
There are ________ number of bones in an adult human body.
A) 200
B) 204
C) 208
D) 206
Answer:
D) 206

Question 5.
________ are attached to bones.
A) Vessels
B) Muscles
C) Veins
D) Heart
Answer:
B) Muscles

Question 6.
________ system gives shape to our body.
A) Nervous
B) Skeletal
C) Respiratory
D) Circulatory
Answer:
B) Skeletal

Question 7.
Ear and nose are made up of soft structure called ________. ( B)
A) bone
B) cartilage
C) rib
D)none
Answer:
B) cartilage

Question 8.
The process of conversion of complex food material into simple materials is called ________.
A) digestion
B) grinding
C) swallowing
D)none
Answer:
A) digestion

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Question 9.
Length of small intestine is ________
A) 4 mts
B) 8 mts
C) 6 mts
D) 10 mts
Answer:
C) 6 mts

Question 10.
________ is used to find heart beat.
A) Stethoscope
B) Sphygmo manometer
C) Thermometer
D) None
Answer:
A) Stethoscope

Question 11.
________ pumps blood to all the body parts.
A) Blood vessels
B) Veins
C) Arteries
D) Heart
Answer:
D) Heart

Question 12.
________ transports the blood from heart to all parts of the body.
A) Arteries
B) Veins
C) Both
D) None
Answer:
A) Arteries

Question 13.
________ transports the blood from body parts to heart.
A) Arteries
B) veins
C) Both
D) None
Answer:
B) veins

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Question 14.
________ transports oxygen and nutrients to all parts of the body.
A) Heart
B) Lungs
C) Blood
D) Arteries
Answer:
C) Blood

Question 15.
________ helps to regulate the body temperature and fight against the discease causing germs.
A) Heart
B) Lungs
C) Arteries
D) Blood
Answer:
D) Blood

Question 16.
Blood is red in colour due to the presence of ________.
A) Haemoglobin
B) Glucose
C) Oxygen
D) None
Answer:
A) Haemoglobin

Question 17.
The system which removes excess, unnecessary materials from our body fluids of an organism is called ________.
A) nervous system
B) excretory system
C) respiratiory system
D) circulatory system
Answer:
B) excretory system

Question 18.
________ are bean shaped organs in our body.
A) Lungs
B) Kidneys
C) Heart
D) Nose
Answer:
B) Kidneys

Question 19.
________ filter the blood and remove impurities from our body.
A) Kidneys
B) Lungs
C) Heart
D) Blood vessels
Answer:
A) Kidneys

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Question 20.
________ are spongy organs and help in obsorbing oxygen and releasing carbon dioxide.
A) Heart
B) Kidneys
C) Lungs
D) Skin
Answer:
C) Lungs

Question 21.
________ is the biggest organ in our body.
A) Lungs
B) Heart
C) Kidneys
D) Skin
Answer:
D) Skin

Question 22.
________ eliminates excess water and salts from our body.
A) Lungs
B) Skin
C) Heart
D) None
Answer:
B) Skin

Question 23.
________ system has control over our body and sense organs.
A) Excretory system
B) Nervous system
C) Respiratory system
D) None
Answer:
B) Nervous system

Question 24.
Organs are connected to the brain through ________.
A) arteries
B) veins
C) nerves
D) none
Answer:
C) nerves

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System

Question 25.
Match the following organs and their functions :

AP Board 5th Class EVS Solutions 4th Lesson Know Our Organ System 4

Answer:
1. b
2. d
3. e
4. c
5. a