Olympiad Science - Components of Food
Exam Duration: 45 Mins Total Questions : 30
Which of the following labelled boxes contain protective food?
- (a)
P and Q only
- (b)
Q only
- (c)
R only
- (d)
Q and R only
In the given figure Q comprises of fruits and vegetables. Fruits and vegetables are rich in vitamins and minerals.
Which of the following vitamins and their deficiency disease is NOT correctly paired?
- (a)
Vitamin A \(\rightarrow \) Night blindness
- (b)
Vitamin \({ B }_{ 1 }\) \(\rightarrow \)Scurvy
- (c)
Vitamin \({ B }_{ 12 }\rightarrow \) Anaemia
- (d)
Vitamin D\(\rightarrow \)Rickets
Deficiency of vitamin B1 causes Beri- Beri.
Beriberi is a disease in which the body does not have enough thiamine.
White of an egg turns violet when two drops of copper sulphate and ten drops of caustic soda are added to it.This indicates the presence of which of the following components of food?
- (a)
Starch
- (b)
Proteins
- (c)
Fats
- (d)
Vitamins
When food turns to violet colour when treated with copper sulphate solution and caustic soda indicates the presence of proteins.
Which of the following vitamins are produced in our body when exposed to sunlight in the morning?
- (a)
Vitamin A
- (b)
Vitamin B
- (c)
Vitamin D
- (d)
Vitamin K
Our body prepares vitamin D in the presence of sunlight.
Which of the following food components is present in banana?
- (a)
Vitamin A
- (b)
Calcium
- (c)
Phosphorus
- (d)
Iodine
Banana is a rich source of minerals like phosphorous.
Which of the following vitamins is lost by heating?
- (a)
Vitamin A
- (b)
Vitamin C
- (c)
Vitamin D
- (d)
Vitamin B
Vitamin C gets easily destroyed by heat during cooking.
How is roughage important to humans?
- (a)
Prevents constipation
- (b)
Builds and repairs tissues
- (c)
Maintains the health to the body
- (d)
Produces haemoglobin in red blood cells
The given information is about dietary fibre. Fibres f!jrevent constipation.
Which of the following food groups is/ are has the highest energy?
- (a)
Oil
- (b)
Butter
- (c)
Ghee
- (d)
All of these
Oil, ghee and butter are high energy giving foods.
Which of the following classes of food is present in pulses?
- (a)
Vitamins
- (b)
Fats
- (c)
Carbohydrates
- (d)
Proteins
Pulses contains proteins.
Which of the following examples of food under P, Q and R is correct?
P: Supplies materials for building cells.
Q: Supplies a lot of energy.
R: Supplies high dietary fibre.
- (a)
P Q R Fish Lettuce Palm oil - (b)
P Q R Butter Lettuce Fish - (c)
P Q R Mutton Butter Bean sprout - (d)
P Q R Butter Mutton Palm oil
In the given question P-Mutton (Protein) Q-Butter (fats) and R-Bean sprouts (Roughage).
In which of the following food groups fruits and green leafy vegetables can be included?
- (a)
Energy producing foods
- (b)
Body building foods
- (c)
Harmful foods.
- (d)
Protective foods.
Vitamins and minerals are protective foods.
Which of the following food components is present more in rice?
- (a)
Fats
- (b)
Carbohydrates
- (c)
Proteins
- (d)
Water
Rice is rich in carbohydrates.
Which one of the following vitamins and W their deficiency diseases is paired incorrectly?
- (a)
Vitamin A - Poor night vision
- (b)
Vitamin B1 - Beri Beri
- (c)
Vitamin C - Scurvy
- (d)
Vitamin D - Pellagra
Deficiency of vitamin D leads to Rickets
You can find fats abundantly in which of the following food substances?
- (a)
Wheat, rice, sugar and potatoes
- (b)
Ghee, oil, milk and cheese
- (c)
Soyabeans , fish and meat
- (d)
Carrots, mangoes and lemon fruits
Ghee, oil, milk and cheese are rich in fats
Proteins are essential
- (a)
for growth and repair of body tissues
- (b)
to provide energy for our daily activities
- (c)
for keeping our body fit and healthy
- (d)
for strong bones and teeth
In the given questions 80% of food present in fish represents proteins. Proteins are called body building food.
Pranav does not like to eat fruits and vegetables Which of the following deficiency diseases may Pranav suffer from ?
- (a)
Protein deficiency disease.
- (b)
Carbohydrate deficiency
- (c)
Vitamin deficiency disease
- (d)
Fat deficiency disease
Fruits and vegetables are rich in vitamins and minerals.
Raju observed swelling in his neck region. What could be the disease he is suffering from?
- (a)
Anaemia
- (b)
Marasmus
- (c)
Scurvy
- (d)
Goitre
Goitre is due to the deficiency of iodine.
Which substance can be taken in excess without causing health problems?
- (a)
Water
- (b)
Sugar
- (c)
Fat
- (d)
Common salt
Water is essential for the functioning of various body systems
Which activity helps our body to produce vitamin D?
- (a)
Jogging and exercising
- (b)
Standing in the Sun
- (c)
Consuming more fruits.
- (d)
Practising yoga.
Our body prepares vitamin D in the presence of sunlight
Which of these provide energy?
- (a)
Orange
- (b)
Guava
- (c)
Bread
- (d)
None of these
In the given figures, figure 'R' consists of energy giving substances like bread and milk
The bones become soft and bend easily due to the deficiency of
- (a)
Vitamin C
- (b)
Vitamin D
- (c)
Vitamin A
- (d)
Vitamin B
Deficiency of vitamin D causes rickets and soft bones
The rearing of fishes on a large scale for commercial purposes is called
- (a)
pisciculture.
- (b)
apiculture
- (c)
poultry.
- (d)
dairy farming
Pisciculture is the rearing of fishes. Apiculture is the rearing of honey bees. Poultry refers to domesticated birds like hen, duck, etc. which provide us with eggs and meat. Dairy farming refers to domestication of cows, buffaloes, etc. for milk and milk products.
Pulses or dais are said to be rich in proteins. This is because these are legumes which have special ____________in their roots.
- (a)
secondary roots
- (b)
internodes
- (c)
nodes
- (d)
nodules
Legumes contain nodules in their roots which contains Rhizobium bacteria. This bacterium is capable of fixing nitrogen present in the air into a form which can be easily absorbed by plant roots. As a result the soil in which legumes grow becomes rich in nitrogen mineral. The plant is then capable of producing a lot of protein. Protein contains carbon, hydrogen, oxygen and nitrogen as its components. Carbohydrates and fats contain carbon, hydrogen and oxygen only.
Tremendous Increase in egg production is called
- (a)
green revolution.
- (b)
blue revolution.
- (c)
white revolution.
- (d)
silver revolution.
Green revolution is related to tremendous increase in wheat production. Blue revolution is related to tremendous increase in fish production. White revolution is related to tremendous increase in milk production.
Which one of these does not have edible leaves?
- (a)
cabbage
- (b)
spinach
- (c)
fenugreek
- (d)
mango
The fruit of mango is eaten.
Which one of these is not a milch animal?
- (a)
goat
- (b)
cow
- (c)
dog
- (d)
camel
Milch animals are those which provide us with milk. Milk is a good source of calcium and proteins. It also has lactose as carbohydrate but does not contain starch. Milk also gives fats (cream). Milk products like cream, butter and ghee are rich in fats.
Which chemical will you use if you want to test if protein is present in a food item?
- (a)
caustic soda
- (b)
copper sulphate
- (c)
iodine d
- (d)
both 'a' and 'b'
Take the food item to be tested. Make a paste of this food item and add a few drops of copper sulphate solution to it and shake well. Wait for a few minutes and add 10 drops of caustic soda. If violet colour appears than the food item has protein in it.
Fats give us much more energy than the same amount of carbohydrates. If we need a lot of energy suddenly then we should ) take
- (a)
glucose.
- (b)
sugar.
- (c)
glucose or sugar.
- (d)
oil.
Carbohydrates are a ready source of energy. Fats provide energy during emergency situations like fasting when all the stored carbohydrates (glycogen is the storage form of carbohydrate in animals) is finished. Fats give us much more energy than the same amount of carbohydrates because they have fewer number of oxygen atoms in their molecules.
Goitre can be avoided if the diet has
- (a)
sea food.
- (b)
iodised salt.
- (c)
both 'a' and 'b'.
- (d)
eggs
Sea food is also rich in iodine which can prevent goitre.
Select the right match
column I | Column II |
i) tea | A) higher nutrition |
ii) heterotrophs | B) beverage |
iii) sprouts | C) animals |
- (a)
i-C; ii-B; iii-A
- (b)
I-B·, ii-A·, iii-C
- (c)
i-A; ii-B; iii-C
- (d)
i-B; ii-C; iii-A
Animals are heterotrophs or consumers as they cannot make their own food and depend on plants directly or indirectly for food. Plants are autotrophs or producers as they make their own food (auto = self; troph = food). Sprouted seeds have more available nutrients than simply soaked seeds. Tea is an important beverage obtained by processing of tea leaves.