case /data -based (4 Marks)

MCQ 14 Marks

Vitamin $D$ helps our body to use calcium for bones and teeth.
Human body produces vitamin $D$ when exposed to both sunlight and high temperatures.
$10.$Which type of climate is most likely to cause vitamin $D$ deiciency in humans?

✓
Cold and Cloudy
B
Warm and Cloudy
C
Cold and Sunny
D
Warm and Sunny

Answer

Correct option: A.

Cold and Cloudy

Cold and cloudy

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Question 24 Marks

Fat-rich foods leave an oily patch on paper when smashed or rubbed on it.
Raju wanted to check this through an activity.
He performed the following steps.
Step $1:$ Placed a fat-rich food item on a piece of white paper
Step $2:$ Smashed the food gently with a hammer
Step $3:$ Removed the smashed food from the paper
Step $4:$ Dried the paper and then checked for any patch on it
$8.$ In Step $4$, Raju dried the paper before checking for patches.
What could be the most likely reason for this?
$9.$Raju performed the same activity with four types of food.
Which of the following will decide the amount of fat in each food item?
$A.$ The shape of the paper
$B.$ Time taken for the paper to dry
$C.$ The size of the oily patch on the paper
$D.$ Ease of smashing the food with hammer

Answer

$8.$ Mentions that foods may also contain water that can leave a wet patch
on the paper.
For example
● Some food items contain moisture. Moisture can make a wet patch on
a piece of paper.
Or
● Not to confuse water marks with fat marks
$9. C.$ The size of the oily patch on the paper

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Question 34 Marks

The table below shows some common symptoms of nutrient deiciency.

Type of nutrient	Symptoms due to its deiciency
Vitamin $A$	Poor vision, loss of vision at night
Calcium	Weak bones, tooth decay
Vitamin $C$	Bleeding gums, wounds take longer to heal
Iodine	Glands in the neck appear swollen

$6.$Pankaj is suffering from tooth decay and bleeding gums.
Which of the following nutrients in food would help him recover?
$A.$ Vitamin $A$ and calcium
$B.$ Calcium and vitamin $C$
$C.$ Vitamin $C$ and iodine
$D.$ Iodine and vitamin $A$
$7.$ Doctors advise not to boil fruits before eating.
What could be the likely reason for this? Circle $‘Yes’$ or $‘No’$ for each statement.

Why should fruits not be boiled before eating?	$Yes$ or $No$?
Heating changes the colour of the fruit.	$Yes/No$
Heating makes the fruit become soft.	$Yes/No$
Heating destroys the vitamins present in the fruit.	$Yes/No$

Answer

$6. B.$ Calcium and Vitamin $C$
$7. No$
$No$
$Yes$

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Question 44 Marks

$4.$What does the result of Aditi’s activity show?
$A.$ Lemon contains water
$B.$ Lemon contains vitamin
$C.$ Lemon contains minerals
$D.$ Lemon contains protein
$5.$ Which type of vitamin is found in plenty in lemon?

Answer

$4. A.$ Lemon contains water
$5.$ Mentions that lemons contain Vitamin $C.$
For example:
● Vitamin $C$

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Question 54 Marks

The table below shows the food items in the meals of four students.

Student	Food items in lunch	Food items in dinner
Sanjay	Wheat roti and dal	Wheat roti and mixed vegetables
Anjum	Rice and ish curry	Rice and chicken
Raghu	Rice and chicken	Rice and ish curry
Jenny	Wheat bread and meat	Wheat bread and chicken

$1.$Which student ate meals that contain plant proteins only?
$A.$ Sanjay
$B.$ Anjum
$C.$ Raghu
$D.$ Jenny
$2.$Which two students ate the most similar food items?
$A.$ Sanjay and Anjum
$B.$ Anjum and Raghu
$C.$ Raghu and Jenny
$D.$ Jenny and Sanjay
$3.$Why is it necessary to have a variety of food items in meals?
$A.$ More food items make the meal tasty.
$B.$ More food items make the meal look good.
$C.$ A single food item cannot make our stomach full.
$D.$ A single food item does not contain all the nutrients.

Answer

$1. A.$ Sanjay
$2. B.$ Anjum and Raghu
$3. D.$ A single food item does not contain all the nutrients.

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Science case /data -based (4 Marks)

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