Question 2 SHORT TYPE OF QUESTIONS. [2 mark]
(i)Why fat is important in our body?
(ii)What is nutrition?
(iii)Name a few food sources rich in dietary fibres.
(iv)Study the picture given below ( fig 1 & fig 2) . which of them do you think is ideal for your lunch/dinner , and why?
(v)Over eating of which nutrient causes heart attack and how?
(vi)Give one source and function of Vitamin K.
(vii)What are the signs and symptoms of scurvy? Answers
(i)Fatty tissues around organs like kidney and eyes offers protection to these organs ,by acting as shock absorbers.
(ii)The process of providing or obtaining nutrients from food and its proper utilization for health, growth and development of the body is called nutrition.
(iii)The main source of dietary fibers or roughage are plant products in our foods such as whole grains ,pulses,potatoes, fresh fruits and fresh vegetables.
(iv)Ans: I will prefer the food in fig1 .As in the picture we can see it consist of all types of food and hence it is a combination of balanced nutrients. Since balanced diet is a requisite for every human being for good.
(v)Ans: Eating to much of fat rich food cause deposition of cholesterol in our arteries and make them narrow. This makes the flow of blood more dificult through arteries and cause heart attack.
(vi)source : green leafy vegetables
Function: helps in blood clotting.
(vii)Ans: the sign and symptoms of scurvy are , bleeding gums, and swelling of gums.
Question 3 Short answer type/HOTS [2 MARKS]
(i)Why do people living in hilly regions develop Goiter?
(ii)Why old people are advised not to consume to much of pulses in their diet?
(iii) “It is recommended to keep yourself hydrated during diarrhea”- comment on the statement.
(iv)Gopal have a five-month-old brother. His grandmother insists on daily exposure to sunlight for the baby. Why do you think exposure to sunlight for the new born is essential?
(v)Name at least four nutrients that are richly present in the food shown in the picture below.
(vi)Why simple sugars give instant energy, unlike complex sugar?
(vii)Why Vitamins and minerals are called protective food?
(viii)It is advised not to consume too much of junk food. Do you support the statement? Answers
(i)Hilly regions lack iodine. Due to deficiency of iodine swelling of thyroid gland takes place and results in the disease called Goitre.
(ii)Old people are advised not to consume too much of pulses as pulses are rich source of proteins and with old age power or capability to digest protein reduces.
(iii)Water is an indispensable part of our diet it helps to absorb nutrients in our body, to transport substances in our body, helps to remove waste from our body. These functions will not happen if we have scarcity of water. And as during diarrhea the body loses huge amount of water to replenish that loss, we need to drink more water.
(iv)Sunlight is a rich source of vitamin D, so babies need to be exposed to sunlight so that the body can make vitamin D.
(v)the food shown in the picture are Egg & Milk.
Four nutrients richly present are
Minerals like Calcium
(vi)simple sugars can be digested easily and hence provides instant energy.
(vii)they protect us from various diseases, they keep us fit and healthy.
(viii)Yes , I support the statement because junk food has very less nutritional value.These food items have high fat and sugar content that are harmful for our health.
Why softening of egg shells takes place in birds? Answers
The egg shell is made up of a mineral called calcium carbonate. The deficiency of calcium carbonate causes softening of egg shells in birds.
a. Malnutrition & undernutrition are they same? Justify your answer.
b. Among two students of class 6 one student takes part in out-door games such as football and cricket and another doesn’t take part in any out-door games. Whom do you think needs more food and why? Answers
(a)No, they are not same, Malnutrition is caused is caused when the food taken is deficient in essential nutrients whereas undernutrition is inadequate intake of food.
(b)The student taking part in out-door games need more food as his energy requirements are higher because his work involves intense physical activity than the other student.
(i)Which nutrient is required the most by a growing child and why?
(ii)Name the organ of the body will not be able to function properly if we do not consume fat at all.
(iii)What is the role of haemoglobin? Answers
(i)The nutrient is protein. Proteins are required for building new cells & repairing worn out cells. Proteins help us to fight diseases and infection.
(iii)It helps to transport gases like oxygen and carbon dioxide through blood.
study the experiment given below & answer the question that follows.
(i)Write the aim of the experiment?
(ii)Name any other food which can be used in this experiment.
(iii)What is the red color reagent you can see in the dropper?
(iv)Note your observation when the red color reagent is added to the peeled potato?
(v)Comment on the inference that you can draw from this experiment. Answers
(i)To test the presence of starch in the given food sample.
(iv)The peeled potato will turn blue black.
(v)The given food sample (peeled potato) contains starch.
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