Questions : Food and Nutrition

 Food and Nutrition

Q.1. Why do we need food in our life?

Q.2. What are the components of food?

Q.3. Why should we have healthy eating habits?

Q.4. Which kind of food should we eat?

Q.5. Name seven nutrient categories.

Q.6. Why should we eat different kinds of food?

Q.7. Which nutrient gives us energy to work and play?

Q.8. Name eight energy giving food.

Q.9. Which nutrient builds up our body?

Q.10. Name three body building foods?

Q.11. Which nutrient keeps away illness and makes our body healthy?

Q.12. Name four disease fighter foods.

Q.13. Why does our body need vitamin C?

Q.14. What is a balanced diet?

Q.15. What is malnutrition?

Q.16. What are the two kinds of grains we eat?

Q.17. Name six cereals.

Q.18. What do we make with cereals?

Q.19. Name five pulses.

Q.20. What do we make with pulses?

Q.21. Why should we wash food?

Q.22. Name three quick energy giving food.

Q.23. Name six things which give us energy that last for several hours?

Q.24. Name four things which contain fats.

Q.25. What are the uses of fats?

Q.26. Name eight things which help to build up and repair our body.

Q.27. Name five disease fighter foods.

Q.28. What is the purpose of cooking?

Q.29. Name six things which can be eaten raw.

Q.30. How eaten food reaches all parts of our body, describe?

Q.31. What are the good eating habits?

Questions : Nutrition in Animals

 Nutrition in animals

Maximum Marks : 3

1. What is the Process of nutrition in Animals called?

2. Describe Digestion?

3. Describe oxidation?

4. What is an amoeba?

5. Describe nutrition in amoeba?

6. Describe teeth?

7. Describe the different  types of teeth?

8. What is the use of hydrochloric acid and enzymes in the stomach?

Maximum marks : 5

1. Give the different methods to procure food.

2. What are the various steps in holozoic nutrition?

3. Describe Digestion?

4. Describe oxidation?

5. What is an amoeba?

6. Describe nutrition in amoeba?

7. Name the organs which constitute the digestive system of human beings.

8. Describe The Mouth and Buccal cavity?

9. What are temporary teeth and permanent teeth?

10. Describe the different  types of teeth?

11. Give the number of different types of teeth during childhood.

12. Give the number of different types of teeth during adulthood.

13. Give one word for the function of different kinds of teeth.

14. Describe tongue and saliva?

15. Describe oesophagus?

16. Describe stomach?

17. Describe a small intestine?

18. Describe a large intestine?

19. What is a ruminant?

20. Describe the four chambered stomach of a ruminant.

Fill in the blanks :

1. Amoeba uses its false feet, called                       , to engulf the food particles.

2. A                      uses cilia to sweep food particles from water with the help of these structures.

3. Hydra uses its                      with sting cells to kill the prey and put it into its body cavities.

4. The type of nutrition in which the food must be taken in and digested before it is assimilated and utilized by the body is called                     .

5. Taking in food inside the body is known as                     .

6. The process of conversion of complex forms of food into simpler forms with the help of a number of digestive juices is known as                     .

7. The absorption of simple forms of food in human beings takes place in 

                    .

8. The process of building complex substances such as proteins and fats  from the transported substances to different organs is called                     .

9. The process in which food absorbed by the body is acted upon by the oxygen is called                      of food. 

10. The process of throwing out undigested food materials out of the body in the form of faeces is called                     .

11. Amoeba is a                      organism found in freshwater.

12. Plants can make their own food by the process of                     .

13. Digestion takes place in the                      of the body.

14. The                      and the                      together constitute the digestive system.

15.  The digestive enzymes are                     ,                     ,                     , 

                     and                     .

16. Amylase breaks down                      to                     .

17. Pepsin and Trypsin break                      into                     .

18. Lipase helps in the breaking down of                     .

19. Sucrase breaks down sugar                      to                     .

20. The alimentary canal is about                      m long.

21. There are four types of teeth:                     ,                     ,                      and

                    .

22.                      are at the front and centre of the mouth.

23.                      are used to stab, tear and pierce food.

24.                      and                      are found at the back and sides of the jaw.

25. Molars are used for                     .

26. Premolars are used for                     .

27. If you don’t brush your teeth regularly, a yellow sticky substance called 

                     is deposited on the teeth.

28. Brushing teeth regularly to remove bacteria from the teeth can help prevent 

                     and                     .

29. A                      is a special strong thread which is moved between two teeth to remove trapped food particles.

30. Saliva contains an enzyme called                      that digests starch to sugar.

31. Iodine gives                      colour in the presence of starch.

32. Benedict’s solution gives                      colour with sugar.

33. The wavy movement caused by the contraction and relaxation of the esophageal muscles is called                     .

34. The stomach has an inner lining called                     , which protects the stomach from the acidic effect of hydrochloric acid.

35. The names of the different parts of the small intestine are                     , 

                     and                     .

36. In the duodenum, the food is mixed with                      secreted by the pancreas and the                      secreted by the liver.

37. The small intestine serves both for                      and                     .

38. The inner walls of the small intestine are covered with millions of tiny projections called                     . 

39. Frequent passing of watery stools is called                     .

40. The large intestine has three parts :                     ,                      and                     .

41. The small intestine is longer in length than the                     .

42. True ruminants are characterized by a stomach with                     .

43.                      can digest grass rich in cellulose, which is a type of carbohydrate that many animals and humans cannot digest.

44. The four chambered stomachs of ruminants have                     ,                     ,

                     and                      .

Questions : Nutrition in Plants

 Nutrition in Plants

Name the following.                                                            2 marks

1. What are the sources of energy in organisms?

2. What are nutrients?

3. What are the two modes of nutrition in living organisms?

4. Name two insectivorous plants.

5. Name the animals which are herbivores.

6. Name the animals which are carnivores.

7. Name the animals which are omnivores.

8. Name some saprophytic plants.

9. Name some insectivorous plants.

10. Name some symbiotic plants.

Answer the following questions in brief                           3 Marks

1. What is nutrition?

2. What is autotrophic Nutrition?

3. What are autotrophs?

4. Who are heterotrophs?

5. Name the categories in which animals are divided based on their eating habits?

6. Why are the leaves reduced to spines in cacti?

7. What are variegated leaves?

8. What are heterotrophs?

9. What is heterotrophic nutrition?

10. What are parasitic plants?

11. What is a host in reference to parasitic plants?

12. What are saprophytic plants?

13. What are insectivorous plants?

14. What are symbiotic plants?

15. What is symbiotic association or relationship?

16. How are the nutrients in the soil replenished?

Answer the followings questions in Detail.                           5 Marks

1. Why do organisms need energy?

2. What is photosynthesis?

3. Describe the things needed for photosynthesis?

4. What is the role of leaves in photosynthesis?

5. What happens to photosynthesis in plants with red, brown or violet leaves?

6. What is the importance of photosynthesis?

7. What are the categories of heterotrophic nutrition?

8. Give an example of a parasitic plant and describe it?

9. Describe saprophytes.

10. Describe Venus flytrap.

11. Describe Pitcher plant.

12. How is nitrogen in the soil replenished?

Fill in the blanks :

1. The process of intake of food and its proper utilization in the body is termed as 

                   .

2. Living organisms broadly exhibit two modes of nutrition -                     and 

                   .

3. The mode of nutrition in which organisms synthesize their own food using inorganic materials is called                    .

4. Organisms that exhibit autotrophic nutrition are called                    .

5. All animals show                     mode of nutrition and these organisms are called                 

                    .

6.                     are organisms that cannot manufacture their own food and derive food from plants or animals or both.

7. The pitcher plant and the venus flytrap are plants which eat insects and are called                    .

8.                     gives plants their green colour because it reflects green light and absorbs red and blue light.

9. The process by which green plants prepare their own food is called                    .

10. Photosynthesis helps in the formation of                     in the outer layer of the atmosphere.

11.                     are the sites of photosynthesis.

12. Through                    , carbon dioxide from the atmosphere enters the leaves.

13. The stomatal opening is surrounded by two kidney shaped                    .

14. The stem of desert plants becomes                     to carry out photosynthesis.

15. The leaves which have white and green parts on itself are called                     

                   .

16. Plants with variegated leaves are                    ,                     and                    .

17. Photosynthesis maintains the balance between                     and                     in the atmosphere.

18. Heterotrophic nutrition can be further categorized into                    ,                    ,

                     and                    .

19. The living organism from which a parasite derives its food is called                    .

20. The                     of the dodder plant absorbs food from the host plant.

21. The plants which live and feed on dead and decaying organic matter are called

                    .

22. Saprophytes like the parasites lack green colour and do not carry out

                   .

23. Fungi are commonly seen during and after                    .

24. The whitish umbrella-like structures being sold in the supermarket are called

                   .

25. Plants which live in association with other plants and share shelter and nutrients are called                    .

26.                     are an excellent indicator of air pollution.

27. The fungus provides                    ,                     and                     to the alga. The alga in return provide                     to the fungus.

28.                     cannot make its own food so it lives in the root nodules of the

                      and provides nitrogen to the plants.

29.                     is the practice of sowing a cereal crop alternatively to a leguminous crop.

30.                    ,                    ,                    ,                     etc are legumes which have nodules on them that contain symbiotic bacteria to convert atmospheric nitrogen into nitrates.