Home Science Answer Key Set 7 (Q1-Q20) Humanities/Arts Notes | EduRev

Home Science Class 12 Model Sample Papers

Humanities/Arts : Home Science Answer Key Set 7 (Q1-Q20) Humanities/Arts Notes | EduRev

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Q. 1. Your uncle wants to invest his money and you have suggested to invest in Kisan Vikas Patra. Write six benefits and two drawbacks of this scheme.
Ans :
Benefits of Kisan Vikas Patras.
(i) Any individual can buy these ‘Patras’ from post office which are located in remote areas also.
(ii) The money invested doubles in 7 years.
(iii) The persons can invest any amount in this scheme.
(iv) High Rate of Interest is paid.
(v) Safe investment.
(vi) Liquidity is there.
Two Drawbacks
(i) No income tax rebate.
(ii) Investor has to keep the ‘Patras’ safely they can be encashed by any holder of the ‘Patras’.


Q. 2. Mention four precautions adopted while storing cotton sarees.
Ans :
Precautions adopted while storing cotton sarees are :
(i) Cotton saree should be washed before storing to remove food stains and dirt.
(ii) Dout starch the saree before storing.
(iii) Never store damp saree otherwise there will be mildew attack.
(iv) Store the cotton saree in clean and dry place.
(v) While storing cotton saree put napthalene balls to keep silverfish away.


Q. 3. Two year old Meena is looked after by her grandparents. Mention four drawbacks of such an arrangement.
Ans :
Some of the drawback are :
(i) Meena can become obstinate and indisciplined due to over indulgence and lack of discipline on the part of grandparents.
(ii) If the grandparents are very old they cannot take care of the child very well.
(iii) At the time of any emergency like accident, etc. they cannot take the child to doctor immediately due to their own physical limitations.
(iv) Very old grandparents cannot take care of the child properly as the child needs total attention. The children have to be fed on time, they need someone to always run behind them, which cannot be done by grandparents.


Q. 4. Suggest four ways a family can increase its direct income.
Ans :
Family can increase its direct income by :-
(i) Using the skills of family members, e.g., Any family member having the skill of stitching, knitting can stitch/ knit for the family members.
(ii) Senior family members can teach children to avoid coaching from outside tuition.
(iii) Use of library, park and community centre.
(iv) Use of durable commodity, e.g., family car can be used for dropping children to school, elders to reach office and mother can use it for shopping.


Q. 5. State four functions of Balwadies.
Ans :
Functions of Balwadies are :-
(i) They provide education to the children in rural areas.
(ii) They promote the social development in children as they learn to share things.
(iii) The environment in these places helps in the development of language among children.
(iv) Teachers in these school often check the hair, nails etc., and make the little ones conscious of personal hygiene and grooming.


Q. 6. Outline the rules of removing unknown stains.
Ans :
Unknown stains can be removed in the following sequence :-|
(i) Soak in cold water.
(ii) Soak in warm water.
(iii) Expose the stain to sunlight for bleaching it.
(iv) Treat the stain with an alkaline solution.
(v) Treat the stain with an acid.
(vi) Treat it with an oxidising bleach. If the stain persists then, treat it with a reducing bleach.


Q.7. Due to impure water there is an out break of jaundice. Elaborate a suitable method of purity the(25 Words) 3
Ans :
A suitable method to purify the drinking water, is use of chlorine tablets. It is the chepiest, simple, effective and reliable method to disinfect water. It destroys bacterias in water. One chlorine tablet is added to 10 liters of water and allowed to stand for 25— 30 minutes and then filtered.


Q. 8. Write six rules of cleanliness you will follow while working in kitchen.
Ans :

(i) Kitchen should be well lighted and well ventilated.
(ii) It should be  fly proof, there should be wire mesh on window and doors.
(iii) Kitchen work surface and floor should be neat.
(iv) Kitchen should have a dustbin with a lid.
(v) Plenty of hot and cold water should be available for cooking, cleaning food and utensils.
(vi) Keep kitchen cloth and dusters clean. Wash them with a good detergent and rinse well.
(vii) The kitchen should have a well organised storage space.


Q. 9. List six points of workmanship which you will keep in mind while buying a good quality skirt.
Ans :
(i) Seams
— Should be plain and interlocked.
(ii) Buttons —  Should be properly attached.
(iii) Hemline —  Should be done neatly with matching strong thread.
(iv) Fabric — Should be cut in the correct way, all pieces should  be cut on the grain of the fabric.
(v) Drape — It is important that the garments you purchase should drape well. Try the skirt and then purchase.
(vi) Trimmings — Laces, embr oidery or pipin g should be checked to see that they are securely attached.


Q. 10. Explain the effect of warm and cool colours in clothing on personality.
Ans :
Warm colours are dark, bright colours, they are preferred by active, vibrant and energetic people.
Cool colours are light colours, the yare preferred by simple, reserved personality. The person using cool colours is cool, introvert and sophisticated.


Q. 11. While cleaning a dal you found that th shape of the grains is not uniform. What could be the reason and how would you confirm it ? What effect it may have on the health ?
Ans :
Dal is adulterated with kesari dal. Visual check of pulses will enable one to separate the kesari dal from the arhar and channa dals. The kesari dal is pointed and wedge shaped while arhar dal and channa dal are round and flat.
Consumption of kesari dal causes paralysis of lower limbs. This crippling disease is called lathyrism and mainly attacks boys and men between the age of 5-45 years.


Q. 12. What should you do to avoid purchase of adulterated spices ?
Ans :
To avoid purchase of adulterated spices. I shall :(i) Not purchase loose spices. (ii) Purchase from a reliable shop. (iii) Purchase branded item. (iv) Check level for Agmark on it. (v) Check date of manufacture and expiry.


Q. 13. Discuss the factors affecting sociability.
Ans :
Socialization plays a major role in social development of a child. It is a continuous process which goes on form the time of birth till death. There are different factors which affect the sociability of the child. The first and the foremost factor is family.  If the family respects the social norms and acepts them, then the child also acquires all socially positive qualities. School, peers and neighbours all have an influence in the social development of the child. Parents and teachers both play an important role in guiding the child in its social development.


Q. 14. Write in brief the characteristics of a blind child.
Ans :

(i) A partially blind child is clumpsy and cautious in his/her movement.
(ii) The eyes may be red. swollen, sensitive to light.
He may complain of headache, nausea and blurred vision.
(iii) Child may have squint and appear ‘cross-eyed’.
(iv) Poor vision makes the child irritable and self-centered.
(v) Child has less opportunity to play in peer group.It results  in poor social adjustment.
(vi) The children become rebellious and aggressive for they have to depend on others to do things for them. This results in frustration and inferiority complex.


Q. 15. What are the advantages of meal planning ?
Ans :

(i) It fulfils the nutritional needs of all the family members.
(ii) Attractive meals can be served with proper meal planning.
(iii) Meal planning saves time, energy and fuel.
(iv) Different foods can be combined for improvement of nutrient intake.
(v) Leftover food can be used effectively.
(vi) Planning keeps individual’s likes and dislikes in mind.


Q. 16. Which changes during fever affect the requirements of nutrition ?
Ans :
Nutritional requirement is affected by following changes during fever :
(i) For every 10F rise in temperature, energy requirement is increased by 7 %.
(ii) Loss of tissue in fever leads to increased demand of proteins.
(iii) Excessive sweating and urination during fever causes acute deficiency of water and minerals.
(iv) Digestion is disturbed in acute fever. It leads to less absorption of nutrients in the body from food.


Q. 17. Explain the four pitcher filteration process for purifying water.
Ans :
In this method, four earthern pots are put in a special stand one above the other. The top three pots have small hole at the bottom. Muslin cloth is used to plug the hole of the first pitcher for the slow filteration of the water to be treated. The second pitcher has coarsely crushed coal in it. Charcoal absorbs the undesirable smell from the water.
The third pitcher has graded gravel and sand. The fine sandy layer holds back the bacteria. The water in the bottom pitcher is now safe for dringking.


Q. 18. Family income includes money from all different sources plus goods, facilities and the satisfaction which the family members derive while using the various resources. This enables the family members to fulfill their needs and desires.
Ans :
Family Income
Money Income — Income in the form of Money
Real Income — Real Income 1. Direct Income Facilities and services rendered without spending money  2.
Indirect Income Facilities and services rendered by extra efforts or by spending money.
Psychic Income — Satisfaction achieved by spending money income and real income.
Money Income — According to Gross and Crandall, “ Money income is defined as the purchasing power of the flow of money available over a given perod of time.”
Real Income — According to Gross and Crandall, “ Psychic income consists of satisfaction which one derives form their real income.”

Q. 19. Your father wants to invest his savings for six years. Suggest any two safe method of investment.
Give two advantages of each scheme.
Ans :
He should invest his savings in buying National Savings Certificates or in cash certificates.
Advantages of N.S.C.
(i) The money is doubled in six year.
(ii) He will enjoy income tax relief upto 20% of the value of these certificates.
Advantages of cash certificates 
(i) The cash certificates earn more interest.
(ii) There is no limit. You can invest as much as you want.


Q.20. List any four secondary functions of clothings.
Ans :
Secondary functions of clothin gs : (i) SelfAdornment (ii) Identification (iii) Clothing and family values (iv) Self-Expression (v) Social status and Prestige.

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