HomeScience Questions and Answers - Grade 7 Mid Term 2 Exams 2023 Set 3

QUESTIONS

1. What are the 3 R's of nutrient conservation when cooking foods? (3 mark)
2. Write the differences between the following methods of preparing and cooking vegetables. (4 marks)
   1. Frying and stewing
   2. Boiling and steaming

Study the following traditional small kitchen utensil and answer questions 3 and 4.

3. Identify the utensil shown in the picture. (1 mark)
4. Describe how to care and clean it. (4 marks)
5. Give two reasons that explain the importance of improvising some of the cooking equipment. (2 marks)
6. Who is a consumer? (1 mark)
7. Mention any two factors that can influence a consumer's purchasing power. (2 marks)
8. Under what circumstances can a consumer buy on credit? (2 marks)
9. What is comparative shopping? (1 mark)
10. Give two examples of the following natural textile fibres. (2 marks)
    1. Animal fibres
    2. Plant fibres
11. State the difference between the feel test and the burn test when carrying out physical identification of natural textile fibres. (2 marks)
12. Why is textile testing important? (2 marks)
13. Glass fibres and cellulose fibres are safer alternative fibres having similar functions as asbestos. Why are the alternative fibres preferred to asbestos? (2 marks)

Use the following diagram to answer questions 14 and 15.

14. Identify the parts labeled A.-F. (3 marks)
15. What is the function of the part labeled D? (1 mark)
16. Mention three basic care for a sewing machine. (3 marks)
17. Write the difference between seam allowance and seam turning. (2 marks)
18. What is the other name for a machine fell seam? (1 mark)
19. Identify the type of seam shown in the following picture. (1 mark)
    
20. Match the following seams with their appropriate methods of neatening. (3 marks)
    

    	Type of seam	Method of neatening
    a	An open neatened seam	Loop stitches and overcasting stitches
    b	Plain neatened stitch	Stem stitch, chain stitch and satin stitch
    c	Hand-made decorative stitches	Pinking and edge stitching

21. Mention any two factors to consider when choosing the type of seam to use on a garment. (2 marks)
22. Write any two qualities of a well made seam. (2 marks)

Use the following diagram to answer questions 23 and 24.

23. Name the seam shown in the picture. (1 mark)
24. Identify the type of neatening shown in the picture. (1 mark)
25. Mention any four materials one would require to construct a clothing or household article using open and plain seams. (2 marks)

MARKING SCHEME

1.                          
   1. Reduce the amount of water for cooking
   2. Reduce the cooking time;
   3. Reduce the surface area of the Poing a method of cooking in which d being cooked
2.                    
   1. Frying is a method of cooking in which food is cooked in a bath of hot oil or fat while stewing is a method of cooking food with lard or cooking oil slowly in a well covered pot or pan. it onvolves adding a little amount of liquid just enough to cover the food.
   2. Bolling is cooking of food Immersed In water then heating to K Its boiling until when the food is properly Pocked as per a person's taste and preference while steaming is an indirect cooking method that uses hot steam as a source of heat generated from water to cook food.
3. Traditional pot
4.                      
   1. Avold banging them as they may chip or break.
   2. Avoid extreme change of temperature in the washing water.
   3. Wash them with water and a soft pad.
   4. Rinse thoroughly and carefully place them on an appropriate rack to dry.
5.                      
   1. Utilises locally available materials
   2. Improves creativity and Innovation
6. A consumer is a person who uses a good or a service to satisfy a need or a want. 
7.                      
   1. Availability of funds
   2. Tastes and preferences
   3. Quality of the goods and services
   4. Avaliabilty of the goods
8.                        
   1. When the seller is well known to the consumer
   2. A good previous history of settling debts after a credits
   3. When the money avaliable la not enough to cover the entire cost price
   4. When the seller accepts credit faciles
9. Comparative shopping is a type of shopping that involves comparing products from different sale outlets Based on price, features, reviews and other criteria before setting on the best quality, affordable or preferable product or service.
10.                    
    1. Animal Rbres-Silk, wool
    2. Plant fibres-cotton, jute, linen, hemp 
11. Feel test-involves using hands to feel the texture (that is is roughness, hardness, smoothness or soRness), warmness or coolness of a fabric.
    Burn test-textile fibres are exposed to fire to burn, before identifying from the colour of the flame, smell of the smoke or the products obtained after burning (ash or melted bead)
12.                            
    1. It ensures quality of the fabric to be manufactured
    2. It helps in the development of new and innovative clothing
    3. it helps one determine the care to be taken when maintaining the fabrics
13.                    
    1. Asbestos has been found to be harmful to people and the environment.
    2. Asbestos is obtained from naturally occurring minerals which get depleted when continuously mined.
    3. Alternative fibres have a wider range of use than asbestos.
14. A-Thread take up lever
    B-Thread tension regulator or disc
    C-Needle clamp
    D-Spool pin
    E-Hand wheel 
    F-Stitch regulator
15. Spool pin-Holds the upper thread on a sewing machine while sowing
16.                  
    1. Cover the sewing machine with its cover cloth or bag when not in use.
    2. Dust the outside and the accessible parts using a soft piece of cloth.
    3. Replace broken needies.
    4. Put the machine into proper use. 
17. Seam allowance is the space between the fabric edge and the seam line while seam turning le created when you put the right sides together, stitch them and then turn them right side out to avoid getting a raw seam on the outside of the garment
18. Double stitched seam
19. French seam
20.                  
    1. An open neatened seam-pinking
    2. Plain neatened stitch-loop stitches and overcasting stitches.
    3. Hand-made decorative stitches-stern stitch, chain stitch and satin stitch.
21.                      
    1. Fabric construction.
    2. Stress location of a garment.
    3. Type of the garment,
22.                        
    1. Strongly stitched to last long.
    2. Accurately stitched to maintain a good line so that the drape and shape are retained. 
    3. Neatly stitched to enhance appearance. 
23. Plain seam
24. Overcasting
25.                            
    1. A pencil or Tailor's chalk 
    2. Place of fabric
    3. A sewing machine
    4. A pair of scissors
    5. Tacking pins