Section A

Q. Choose the correct option. (1x10=10M)

1)The space between particles is maximum in

1.Solids 2.Liquid 3.Gases 4.Both solid and liquid

2) Which of the following materials is not soluble in water.

1.Salt 2.Sand 3.Honey 4.Sugar

3) This is made up of a number of fibres twisted together.

1. Cloth 2.Yarn 3.Fibre 4.Fabric

4) What is the process of removing seeds from cotton called ?

1.Knitting 2.Retting 3.Ginning 4.Seeding

5) Two examples of plant roots that we eat are turnip and carrot. Name another one

1.Beans 2.Spinach 3.Radish 4.Lady’s finger

6) A dish made by mixing raw vegetables

1.Curry 2.Cooked vegetables 3.Fried rice 4.Salad

7) An organism that lives on or inside the body of another organism to obtain food from

host.

1.Decomposers 2.Parasite 3.Scavenger 4.Producer

8) Based on food eating habits of animals ,they can be classified in to

1.Carnivores 2.Omnivores 3.Herbivores 4.All of these

9) Simple carbohydrates are digested quickly and provide us energy, they are

1.Sucrose 2.Lactose 3.Maltose 4.Glucose

10) Protein are required for making of new cells, it is present in

1.Meat 2.Eggs 3.Fish and Milk 5.All of these

Q.State whether the following statements are true or false. Explain why? (2X5=10M)

11) A large intake of fat soluble vitamins is must in our daily diet.

12) Deficiency of vitamin D can cause rickets in adults.

13) Jute is popularly known as the silver fibre.

14) The invention of spinning wheel revolutionized clothing.

15) Stone is a opaque object.

Q. Differentiate between; (2x5=10M)

16) (a) Kwashiorkor and Marasmus (b) Knitting and Ginning ( c) Fibre and Fabric

(d) Natural fibre and synthetic fibre (e) Element and compound

Section B

Q.Answer these questions in brief. (3x6=18M)

17) Write two properties of cotton.

18) Define solubility with the example of sugar salt and sand.

19) Explain appearance and hardness with appropriate example.

20) Dietary fibre is difficult to digest, yet it is advised to include in our diet. Why?

21) Write two good and two poor methods of cooking food.

22) What is conductivity? Define with an example.

Q. Give Scientific reasons. (3x4=12M)

23)Protein requirement of children is more than that of adults.

24) Fruits should be preferably consumed along with their peels after thoroughly

washing them?

25) Electric wires are made of copper?

26) Pregnant women need more proteins.

Q. Explain the following with a neat and labeled diagram. (5x3=15M)

27) What do you mean by classification? What are the benefits of classification?

28) Draw a food chain and define it.

29) Draw the three states of matter and define each of them.

Q.30)Match the following. (1x5=5M)

A B

1.Soyabean oilBast

2.PeapodIodine

3.Citrus fruitsVitamin C

4.Iodised saltContains many seeds

5.Hemp Obtained from seeds

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