Model Answer for standard V

Que No	Answers			Marks
1 A	Choose the correct alternative and fill in the blanks			3
1	Organs that are inside the body are called …………..organs
Ans	Internal			1
2	The juice that hels in digestion of food are called ………….juices.
Ans	Digestive
3	Lack of Vitamin ‘A’ causes disease …………………..
Ans	Night blindness			1
B	Match the columns			3
	‘A’ column	‘B’ column
1	The brain	Controls all the organs		1
2	Mouth	Formation of bolus		1
3	Small intestine	Absorption of soluble substances		1
C)	State true or false			2
1)	Breathing is the function of the heart
Ans	False			1
2)	Saliva helps in the digestion of food
Ans	True			1
Que 2 A)	Write the following definations (Any 2 )			2
1	Digestion of Food :
Ans	The process of transformation of food into soluble substances and their absorption into blood is called as digestion of food.			1
2	Malnutrination  :
Ans	The bodies of children do not grow properly due to lack of insufficient and unbalanced diet. This is called as Malnutrition.			1
3	Pathogens
Ans	Micro-organisms that causes diseases are called pathogens			1
B)	Give scientific reasons (Any 2)			4
1	Why is the the heart is called an internal organs
Ans	Heart is situated inside the body in the chest. So it is called an internal organ			2
2	Growing boys and girls need more food
Ans	The bodies of growing boys and girls grow rapidly. It requires more energy. So the growing boys and girls need more food.			2
3	We should not eat food in unclean places
Ans	The food in unclean places gets contaminated due to lot of germs carried by flies and dust. It causes spreading of many diseases. So to avoid this spread of diseases we should not eat food in unclean places.			2
C)	Draw neat labeled diagrams (Any 1)			2
2	The alimentary canal
2	Heart
Que 3) A	Write answer in one sentences			4
1	What is function of lungs?
Ans	Breathing is the functon of lungs. (Note: This answer is valid for answer in one sentence)			1
2	What is the function of large intestine?
Ans	To absorb the water and any remaining soluble substances from food mixture is the function of large intestine			1
3	What is meant by Diet?
Ans	All the food that we eat during a day is called as diet.			1
4	What is micero-organisms?
Ans	The organisms that are seen with the help of micro-scope are called as micro-organisms			1
5	Simple way to  destroying germs in the water
Ans	Boiling is the simple way of destroying germs in the water			1
B)	Write in brief Answers (Any 2)			4
1	What is digestion of food?
Ans	The food we eat cannot mix with blood as it is. The food must be changed into into substances that can mix with blood. For this some process are carried out on food in alimentry canal. This processes are called as digestion of food. Or                The process of transformation of food into soluble substances and their absorption into blood is called as digestion of food.			2
2	How does scabbies and ringworm spread?
Ans	Scabbies and ringworm are the contageous diseases. They spread throufh direct contact of person to person. It also spread because of using clothes or other belongings of peoples having these diseases.			2
3	What are the different causes of injuries?
Ans	Cutting or scratching of skin, breaking of skin are the causes of injuries.			2
Que 4 A)	State the difference  (Any 1)			2
1	Inhalation		Exhalation
	1.       To take air in the lungs through nose		1.       To drop out air outside the lungs through nose	1
	2.       There is oxygen with air		2.       There is carbon-dioxide with air	1
2	Scalds		Burns
	1.       When skin comes in contacts with very hot vapours cause scalds		1.       Burns cause by fire or currosive chemicals	1
	1.       Scalding causes redness of skin and blisters		2.       Burns causes skin black or burned	1
B)	Write note on (Any 2)			4
1	The Heart :
	The heart an internal organ situated inside the body in cheat part. It is an important part of body. Every person only one heart. It supplies blood continuously to all the part of bodies through blood vessels, which is called as blood circulation.			2
2	Air borne diseases :
	The diseases that spread through air  are called as air borne diseases.e.g.Tuberculosis, diptheria spread through air. The geerms of such diseases spread through with the help of air. So such persons adviced to cover their mouth and nose while coughing. They are also advised not to spit anywhere in public places.			2
3	Cuts and wounds
	When we cuts or scratches, it is called as injuries. If such injuries are superficial, it is said to be minor injuries but a deep injury is called as wound.                If injuries are deep, the following first should be given on it. 1.       The wound is washed with clean water. 2.       A germicidal medicine is applied on it. 3.       Any piece of iorn or glass embedded in it is removed if easily possible to do so. 4.       If the person is bleeding profusely, the wound is bandaged and the person is moved to the hospital immediately.			2
C)	Write answers of open ended questions (Any 1)			2
1	Precautions against electric shock
	To avoid an electric shock the following precautions should taken :- 1.       Do not play with electric gadgets. They should handled only under adult supervision 2.       During rainy seasn, stay away from electric poles and snapped wires 3.       If sparks are seen flying from electric wires, call adult immediately. 4.       Switch off the electric current when any accident related electricity is being taken. 5.       If any person is stuck to an electric wire on touching it, He/She should be pulled away using a dry wooden object.			2
2	How ensure that water does not get contaminated?
Ans	1.       Do not let sewage or waste water enter in any public resource of water. 2.       Do not bathe in public source of water. 3.       Do not wash clothes, utensils or cattle in public source of water. 4.       Do not defecate near public source of water. 5.       Keep water tanks clean.			2
Que 5	Write answers of any two questions			8
1	Give any four internals and its functions.
Ans	Internal organ	Functions
	1.       Brain	Control on parts of body and its functions		1
	2.       Heart	Blood circulation		1
	3.       Lungs	Breathing		1
	4.       Stomach	Churning of food		1
	5.       Small intestine	Absorption of soluble substances		1
2	Name different vaccines given to babies
Ans	1.       Polio 2.       BCG 3.       Tripple 4.       Measels 5.       Diptheria 6.       Tetanus			4
3	Divide the given diseases into :
Ans	Air borne diseases		Water borne diseases
	1.       Tuberculosis 2.       Diphtheria		1.       Typhoid 2.       Cholera 3.       Jaundice 4.       Gastritis 5.       Diarrhea 6.       polio	4