Question 1.
Match the following items given in Column A with that in Column B:
| Column A | Column B |
| (a) Energy giving food | (i) Vitamins and minerals |
| (b) Body building food | (ii) Iodine |
| (c) Protective food | (iii) Fats, carbohydrates |
| (d) Test for fat | (iv) Copper sulphate and caustic soda |
| (e) Test for starch | (v) Oily patch on paper sheet |
| (f) Test for protein | (vi) Proteins |
Answer:
| Column A | Column B |
| (a) Energy giving food | (iii) Fats, carbohydrates |
| (b) Body building food | (vi) Proteins |
| (c) Protective food | (i) Vitamins and minerals |
| (d) Test for fat | (v) Oily patch on paper sheet |
| (e) Test for starch | (ii) Iodine |
| (f) Test for protein | (iv) Copper sulphate and caustic soda |
Question 2.
Fill in the blanks with appropriate words:
- For proper ……………….. and …………………… our bodies need adequate food.
- Proteins build ………….. material.
- Non-living machines burn the fuel at ……………… temperature while living machines burn their food at ………………… temperature.
- Starch is a ……………… of sugar.
- ……………….. gives blue colour with iodine.
- Proteins are made up of …………………… .
- Skin, hair and nails are …………………… .
- Co-enzymes are nothing but …………….. .
- Vitamin C causes ……………….. when found deficient.
- Our body contains ……………………. of water.
- Most of the reactions in our body occur in ……………. solutions.
- Balanced diet is one containing all ……………….. .
- Deficiency of ……………. causes rough skin, weak eyesight and thinness of body.
- Excess intake of………………… over a large period may damage kidneys.
- Lack of ……………….. leads to lethargy, inactivity and feeling of tiredness.
- Intake of inadequate quantities of proteins may ………………….. the growth and development of children.
Answer:
- growth, maintenance
- body
- high, low
- polymer
- Starch
- amino acids
- proteins
- proteins
- scurvy
- 61%
- water
- nutrients
- Vitamin B
- alcohol
- proteins
- increase
Question 3.
State whether the statements given below are True or False:
- Deficiency of vitamin A makes our bones weak.
- Deficiency of iron causes paleness.
- Calcium is necessary for strong bones and teeth.
- Deficiency of vitamin B helps to increase our appetite.
- Deficiency of vitamin D causes swollen and bleeding gums.
- Carbohydrates are the main source of energy in our diet.
- Expensive food is not always the best food
- Protein is a staple food.
- Haemoglobin is a carbohydrate.
- Cotton and paper are carbohydrates.
- Tomatoes contain vitamin C.
- Eating lady finger makes you good in mathematics.
Answer:
- False
- True
- True
- False
- False
- True
- True
- False
- False
- True
- True
- False
Question 4.
Choose the correct option in the following questions:
(i) The food components needed by our body are called
(a) ingredients
(b) nutrients
(c) fragments
(d) ornaments
Answer:
(b) ingredients of food have some components which are needed by our
body. Such components are called nutrients.
(ii) Carbohydrates can be tested by using
(a) iodine solution
(b) caustic soda
(c) copper sulphate
(d) fehling solution
Answer:
(a) Carbohydrates (starch) give violet or black colour with iodine solution.
(iii) Which one of the following is an energy giving component?
(a) Protein
(b) Vitamins and minerals
(c) Roughage
(d) Carbohydrates and fats
Answer:
(d) Carbohydrates and fats are main sources of energy.
(iv) Vitamins and minerals are
(a) protective food
(b) energy giving food
(c) body building food
(d) roughage
Answer:
(a) Vitamins and minerals protect our body from various diseases.
(v) Roughage helps in
(a) protecting our body from diseases
(b) movement of bowel
(c) providing energy
(d) building and repair of various body parts
Answer:
(b) Roughage are rich in fibres. Fibres keep in bowel movement.
(vi) Scurvy is caused due to the deficiency of
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin D
Answer:
(c) Deficiency of vitamin C causes scurvy.
(vii) Diseases caused due to the deficiency of vitamins are known as
(a) dietary diseases
(b) cronic diseases
(c) deficiency diseases
(d) transmitted diseases
Answer:
(c) Since such diseases are caused by deficiency of food components.
(viii) All the deficiency diseases can be prevented by
(a) cleanliness ,
(b) taking medicine at proper time
(c) vaccination
(d) taking balanced diet
Answer:
(d) If we take balanced diet there will not be any kind of deficiency.
(ix) Which of the following food items contains carbohydrates?
(a) Rice i
(b) Gram
(c) Cabbage
(d) Pulses
Answer:
(a) Rice is a source of carbohydrates.
(x) Night blindness is caused due to deficiency of
(a) vitamin A
(b) vitamin B
(c) vitamin C
(d) vitamin D
Answer:
(a) Night blindness is caused due to deficiency of vitamin A.
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