CBSE Class 5 EVS The Mystery of Food MCQs Set 01

Multiple Choice Questions (MCQs) for Class 5 Environmental Studies: Unit 2 Health and Well-being Chapter 03 The Mystery of Food

Review structured MCQ sets for Class 5 Environmental Studies Unit 2 Health and Well-being Chapter 03 The Mystery of Food. Built according to official CBSE guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Unit 2 Health and Well-being Chapter 03 The Mystery of Food MCQs for Class 5 Environmental Studies

View or download the dedicated Unit 2 Health and Well-being Chapter 03 The Mystery of Food MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Environmental Studies evaluations.

Question: What can happen if you eat bad food?
[A]. Better digestion
[B]. Upset stomach
[C]. Stronger immunity
[D]. More energy
Show Answer & Explanation

Answer: [B] Upset stomach

Explanation:
1. Bad food has harmful germs growing inside it.
2. Swallowing these germs can hurt your tummy.
3. It leads to stomach aches, loose motion, and vomiting.

Question: Which preservation method requires salt and sugar?
[A]. Freezing
[B]. Dehydration
[C]. Salting and sugaring
[D]. Refrigeration
Show Answer & Explanation

Answer: [C] Salting and sugaring

Explanation:
1. Salt and sugar soak up extra water from food.
2. Microbes cannot survive without moisture.
3. This is how sweet jams and sour pickles stay fresh for months.

Question: Which method is used to store food in airtight containers?
[A]. Freezing
[B]. Canning
[C]. Salting
[D]. Oiling
Show Answer & Explanation

Answer: [B] Canning

Explanation:
1. Food is packed inside tight metal cans or jars.
2. Air and moisture from outside cannot get in.
3. Because air is kept out, germs cannot grow and spoil the food.

Question: Which part of the body helps in beginning digestion in the mouth?
[A]. Tongue
[B]. Saliva
[C]. Throat
[D]. Lips
Show Answer & Explanation

Answer: [B] Saliva

Explanation:
1. Saliva is the watery liquid inside our mouth.
2. It mixes with the food while we chew.
3. It breaks down food so our stomach can digest it easily.

Question: Which item is often used with grains to keep insects away?
[A]. Sugar
[B]. Neem leaves
[C]. Mustard seeds
[D]. Tamarind
Show Answer & Explanation

Answer: [B] Neem leaves

Explanation:
1. Neem leaves have a bitter, strong smell.
2. Small insects and bugs do not like this smell.
3. Putting dried neem leaves in grain boxes keeps wheat and rice safe.

Question: What is the main reason of chewing food properly?
[A]. Taste it better
[B]. Mix it with saliva
[C]. Make it sweeter
[D]. Eat faster
Show Answer & Explanation

Answer: [B] Mix it with saliva

Explanation:
1. Chewing crushes food into tiny soft pieces.
2. It mixes the food thoroughly with watery saliva.
3. This makes food smooth to swallow and starts digesting it.

Question: Which seasonal fruit did Disha's father buy in the rainy season?
[A]. Mango
[B]. Lychee
[C]. Apple
[D]. Jamun
Show Answer & Explanation

Answer: [B] Lychee

Explanation:
1. Lychee is a juicy, sweet fruit with a rough skin.
2. It grows and ripens during the rainy monsoon season.
3. Fresh fruits eaten in their season give our bodies the best nutrients.

Question: What happens to tomato pieces left in sunlight for days?
[A]. They get more juicy
[B]. They dry and shrink
[C]. They turn into sauce
[D]. They freeze
Show Answer & Explanation

Answer: [B] They dry and shrink

Explanation:
1. The heat from the sun warms up the tomato slices.
2. All the water inside evaporates into the air.
3. When the moisture is gone, the pieces shrink and turn dry.

Question: What should you do after meals to keep your teeth clean?
[A]. Sleep
[B]. Rinse your mouth
[C]. Drink tea
[D]. Eat sweets
Show Answer & Explanation

Answer: [B] Rinse your mouth

Explanation:
1. Small bits of food stay stuck on your teeth after eating.
2. If left there, germs eat the food and make holes in teeth.
3. Swishing water in your mouth washes the food bits away.

Question: Which method is used to keep mango pulp as aam papad?
[A]. Oiling
[B]. Drying
[C]. Salting
[D]. Canning
Show Answer & Explanation

Answer: [B] Drying

Explanation:
1. Mango pulp has lots of liquid inside it.
2. People spread the pulp in thin layers under hot sunlight.
3. The sun dries out all the water, turning it into tasty aam papad.

Question: What is the main reason that some foods spoil faster than others?
a) They are exposed to moisture and air.
b) They are stored in the refrigerator.
c) They contain preservatives.
d) They are kept in airtight containers.
Show Answer & Explanation

Answer: (a) They are exposed to moisture and air.

Explanation:
1. Tiny germs called microbes need air and water to grow.
2. When food is left open in wet, moist air, germs multiply fast.
3. These growing germs quickly cause the food to go bad.

Question: What role do good microbes play in the method of making idlis?
a) They prevent the batter from fermenting.
b) They change the flavor of the idlis.
c) They help the batter rise and become fluffy.
d) They spoil the batter.
Show Answer & Explanation

Answer: (c) They help the batter rise and become fluffy.

Explanation:
1. Helpful, friendly microbes grow inside the warm batter.
2. They make tiny gas bubbles that cause the batter to swell up.
3. This makes the steamed idlis soft, light, and spongy.

Question: Which type of teeth is used for tearing food?
a) Molars
b) Premolars
c) Canines
d) Incisors
Show Answer & Explanation

Answer: (c) Canines

Explanation:
1. Canine teeth are sharp and pointed like little fangs.
2. They are placed right next to our front biting teeth.
3. Their pointed shape helps rip and tear tough food apart.

Question: What is one way that spices can help protect food?
a) By keeping air out
b) By providing moisture
c) By adding flavor
d) By slowing down microbial growth
Show Answer & Explanation

Answer: (d) By slowing down microbial growth

Explanation:
1. Spices like turmeric and pepper have natural germ-fighting power.
2. They slow down and stop bad bacteria from growing.
3. This keeps cooked food safe and fresh for a longer time.

Question: What is one advantage of storing food in the refrigerator?
a) It slows down the growth of microbes.
b) It allows food to spoil faster.
c) It increases the food's flavor.
d) It reduces the nutritional value of food.
Show Answer & Explanation

Answer: (a) It slows down the growth of microbes.

Explanation:
1. The inside of a fridge is very cool and chilled.
2. Germs and microbes cannot grow easily in cold temperatures.
3. Because germs sleep in the cold, food stays fresh longer.

Question: What can happen if a person eats spoiled food?
a) They may experience indigestion.
b) They will feel energized.
c) They will become healthier.
d) They will not notice any effects.
Show Answer & Explanation

Answer: (a) They may experience indigestion.

Explanation:
1. Spoiled food is filled with bad bacteria and mould.
2. Swallowing these bad germs upsets our digestive system.
3. It causes stomach cramps, loose motions, or vomiting.

Question: What traditional method of food preservation requires the use of oil?
a) Canning
b) Pickling
c) Drying
d) Freezing
Show Answer & Explanation

Answer: (b) Pickling

Explanation:
1. In pickling, mango or lemon slices are covered in oil and spices.
2. The oil floats on top and forms a shield against outside air.
3. Without air, microbes cannot grow and the pickle lasts for months.

Question: Why are seasonal fruits and vegetables considered better?
a) They are easier to grow.
b) They are generally fresher and more nutritious.
c) They are always organic.
d) They are cheaper to buy.
Show Answer & Explanation

Answer: (b) They are generally fresher and more nutritious.

Explanation:
1. Seasonal fruits grow naturally during their favorite weather.
2. They are harvested fresh from farms without long cold storage.
3. Because they are freshly picked, they have more vitamins and taste sweeter.

Question: Which spice was so famous that Vasco da Gama came to India for it?
(a) Cardamom
(b) Mustard
(c) Cinnamon
(d) Black pepper
Show Answer & Explanation

Answer: (d) Black pepper

Explanation:
1. Black pepper was so precious in ancient times that it was called black gold.
2. People in other countries wanted it to make their food taste good.
3. Vasco da Gama sailed across the ocean to India mainly to buy this spice.

Question: Which of the following prevents the growth of microbes in pickles?
(a) Water
(b) Oil
(c) Air
(d) Sugar
Show Answer & Explanation

Answer: (b) Oil

Explanation:
1. Oil floats on top of the pickle pieces and forms a tight cover.
2. This layer of oil stops outside air from entering the pickle.
3. Since microbes cannot grow without air, the pickle stays fresh for a long time.

Question: Which of the following is used to observe microbes?
(a) Microscope
(b) Telescope
(c) Magnifying glass
(d) Binoculars
Show Answer & Explanation

Answer: (a) Microscope

Explanation:
1. Microbes are tiny living things found in air, water, and food.
2. They are far too small for our bare eyes to see.
3. A microscope has special powerful lenses that make tiny microbes look big.

Question: Which preservation method reduces temperature to slow microbes?
a) Freezing
b) Oiling
c) Salting
d) Drying
Show Answer & Explanation

Answer: (a) Freezing

Explanation:
1. Freezing makes food very cold like ice.
2. Microbes do not like cold temperatures.
3. In the cold, they cannot multiply, so the food stays fresh.

Question: What are the tiny living things that ruin food called?
a) Microbes
b) Vitamins
c) Minerals
d) Nutrients
Show Answer & Explanation

Answer: (a) Microbes

Explanation:
1. Microbes are very tiny living creatures.
2. When they get inside warm, moist food, they grow quickly.
3. They change the smell and taste of food and spoil it.

Question: What are the teeth used to slice food called?
a) Incisors
b) Canines
c) Molars
d) Premolars
Show Answer & Explanation

Answer: (a) Incisors

Explanation:
1. Incisors are the four flat teeth in the front of our mouth.
2. They have sharp, straight edges like a small knife.
3. We use them to bite and cut off pieces of food.

Question: Why is oil poured into pickles?
a) To add flavour
b) To keep out air
c) To give colour
d) To make it spicy
Show Answer & Explanation

Answer: (b) To keep out air

Explanation:
1. Oil forms a thick layer over the pickle pieces.
2. This layer prevents outside air from reaching the food.
3. Without air, microbes cannot grow, so the pickle does not spoil.

Question: Which device is used to see microbes?
a) Telescope
b) Periscope
c) Microscope
d) Binoculars
Show Answer & Explanation

Answer: (c) Microscope

Explanation:
1. Microbes are too tiny to see with our bare eyes.
2. A microscope has special powerful glass lenses.
3. It magnifies tiny microbes so they look big and clear.

Question: Which seasonal fruit did Disha's father bring in the monsoon season?
a) Mango
b) Lychee
c) Apple
d) Jamun
Show Answer & Explanation

Answer: (b) Lychee

Explanation:
1. Lychees are sweet, juicy fruits with rough pink skins.
2. They ripen and are harvested during the wet monsoon season.
3. Fresh seasonal fruits are full of healthy vitamins.

Question: Which three factors do microbes need to grow?
a) Moisture, air, temperature
b) Sunlight, soil, minerals
c) Oil, salt, sugar
d) Heat, water, light
Show Answer & Explanation

Answer: (a) Moisture, air, temperature

Explanation:
1. Microbes are living things that need water, air, and gentle warmth.
2. If any of these three things is missing, they cannot multiply.
3. Taking away moisture or keeping food cold stops them from growing.

Question: Which teeth are used to rip food?
a) Incisors
b) Canines
c) Molars
d) Premolars
Show Answer & Explanation

Answer: (b) Canines

Explanation:
1. Canines are the pointed teeth next to our incisors.
2. They look like sharp little cones.
3. Their pointed shape helps us tear and rip tough foods.

Question: What is lost from chillies when they are dried?
a) Colour
b) Moisture
c) Spices
d) Seeds
Show Answer & Explanation

Answer: (b) Moisture

Explanation:
1. Fresh chillies have lots of water inside them.
2. When left under the hot sun, the water evaporates into the air.
3. Once all moisture is gone, microbes cannot spoil the dry chillies.

Question: Which spice was so precious that Vasco da Gama came to India for it?
a) Black pepper
b) Cloves
c) Cardamom
d) Cinnamon
Show Answer & Explanation

Answer: (a) Black pepper

Explanation:
1. Black pepper was called black gold in ancient times.
2. People across the world used it to flavor and preserve their food.
3. Vasco da Gama sailed all the way to India to buy this valuable spice.

Question: Which technique is used to make pickles safe to eat for months?
(a) Adding oil and salt
(b) Boiling in water
(c) Freezing
(d) Adding colour
Show Answer & Explanation

Answer: (a) Adding oil and salt

Explanation:
1. Salt draws out the wet juices from raw fruit slices.
2. Oil floats on top and forms a tight shield against outside air.
3. Because air cannot enter, germs cannot grow and the pickle lasts for months.

Question: What are microorganisms?
(a) Large animals we can see
(b) Tiny living things not visible to the naked eye
(c) Stones and rocks
(d) Machines
Show Answer & Explanation

Answer: (b) Tiny living things not visible to the naked eye

Explanation:
1. Microorganisms or microbes are living creatures all around us.
2. They are far too small for our bare eyes to see.
3. Scientists use a powerful microscope to observe them.

Question: What should you do after meals to take care of your teeth?
(a) Sleep immediately
(b) Rinse your mouth
(c) Eat more sweets
(d) Skip brushing
Show Answer & Explanation

Answer: (b) Rinse your mouth

Explanation:
1. Small food particles remain stuck between our teeth after eating.
2. Germs in our mouth feed on these leftovers and cause cavities.
3. Swishing clean water in your mouth flushes away the food bits quickly.

Question: Which of the following makes food last longer by eliminating moisture?
(a) Adding oil
(b) Keeping in sun
(c) Refrigerating
(d) Mixing sugar
Show Answer & Explanation

Answer: (b) Keeping in sun

Explanation:
1. Warm sunlight heats up food like chillies and raw mango pulp.
2. The heat makes all the moisture and water evaporate into the air.
3. Without moisture, microbes cannot grow and the dried food stays good.

Question: Which of these requires refrigeration?
a) Ghee
b) Sugar
c) Salt
d) Butter
Show Answer & Explanation

Answer: (d) Butter

Explanation:
1. Butter is made from milk and can melt or spoil quickly in warm air.
2. Keeping butter inside the cool fridge keeps it firm and fresh.
3. Microbes cannot grow easily in cold temperatures.

Question: What created coloured patches on Disha’s uttapam?
a) Dust
b) Water
c) Microbes
d) Insects
Show Answer & Explanation

Answer: (c) Microbes

Explanation:
1. Disha left her warm, moist uttapam out for too long.
2. Tiny living things called microbes began growing on it.
3. These microbes formed green and white patches and spoiled the food.

Question: Who crossed oceans to gather black pepper from India?
a) Columbus
b) Vasco da Gama
c) Akbar
d) Alexander
Show Answer & Explanation

Answer: (b) Vasco da Gama

Explanation:
1. Black pepper was so precious in Europe that people called it black gold.
2. Vasco da Gama was a brave explorer from Portugal.
3. He sailed across wide oceans to reach India to buy this valuable spice.

Question: Pickles last longer because they are kept in
a) Oil
b) Water
c) Juice
d) Milk
Show Answer & Explanation

Answer: (a) Oil

Explanation:
1. Oil forms a thick blanket over the mango or lemon pieces.
2. It stops outside air from touching the food.
3. Since microbes cannot grow without air, the pickle stays fresh for a long time.

Question: Purpose behind drying chillies in the sunlight is
a) to remove moisture
b) to remove fat
c) to make them spicy
d) to change colour
Show Answer & Explanation

Answer: (a) to remove moisture

Explanation:
1. Fresh green or red chillies contain a lot of water inside.
2. Hot sunlight warms the chillies and evaporates the water.
3. Without moisture, microbes cannot grow and the dried chillies stay good.

Question: Who preserved food long before people?
a) Birds
b) Fish
c) Insects
d) Humans
Show Answer & Explanation

Answer: (c) Insects

Explanation:
1. Bees make sweet honey and store it inside hives for months.
2. Solitary wasps store small insects in nests for their babies.
3. These insects knew how to preserve food long before humans did.

Question: Drying eliminates
a) Sugar
b) Water
c) Salt
d) Colour
Show Answer & Explanation

Answer: (b) Water

Explanation:
1. Food items like papads, grapes, and chillies have water in them.
2. Placing them in hot sunshine makes the water turn into vapour.
3. Drying removes this water completely so germs cannot grow.

Question: Idli batter becomes soft because of
a) Air
b) Microbes
c) Oil
d) Salt
Show Answer & Explanation

Answer: (b) Microbes

Explanation:
1. Good and friendly microbes grow inside the warm batter.
2. They make tiny bubbles of gas that cause the batter to swell.
3. This makes the steamed idlis very soft, fluffy, and spongy.

Question: Microbes require __________ to grow.
a) Air
b) Moisture
c) Right temperature
d) All of these
Show Answer & Explanation

Answer: (d) All of these

Explanation:
1. Microbes are living things that need air to breathe.
2. They need water or moisture to stay alive.
3. They also need a pleasant, warm temperature to multiply quickly.

Question: Which of these is protected by drying?
a) Milk
b) Butter
c) Chillies
d) Juice
Show Answer & Explanation

Answer: (c) Chillies

Explanation:
1. Chillies are spread out on mats under the hot sun for days.
2. The sunlight dries out all their internal juices.
3. Dried red chillies can be stored in jars for many months without spoiling.

Free study material for Social Science

Unit 2 Health and Well-being Chapter 03 The Mystery of Food Objective Questions & Solutions for Class 5 Environmental Studies

Download Multiple Choice Questions: Unit 2 Health and Well-being Chapter 03 The Mystery of Food (Class 5 Environmental Studies)

Test your conceptual understanding of Unit 2 Health and Well-being Chapter 03 The Mystery of Food with these targeted multiple-choice questions. Designed in alignment with the latest CBSE curriculum for Class 5 Environmental Studies, these problem sets build accuracy and prepare students for objective exams.

Concept Clarification for Unit 2 Health and Well-being Chapter 03 The Mystery of Food

Each question includes structured solution keys mapped directly to standard CBSE textbooks, helping students evaluate their reasoning and correct mistakes early in their revision.

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FAQs

Where can I access latest CBSE Class 5 EVS The Mystery of Food MCQs Set 01?

You can get most exhaustive CBSE Class 5 EVS The Mystery of Food MCQs Set 01 for free on StudiesToday.com. These MCQs for Class 5 Environmental Studies are updated for the 2026-27 academic session as per CBSE examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Environmental Studies Class 5 material?

Yes, our CBSE Class 5 EVS The Mystery of Food MCQs Set 01 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.

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By solving our CBSE Class 5 EVS The Mystery of Food MCQs Set 01, Class 5 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Environmental Studies.

Do you provide answers and explanations for CBSE Class 5 EVS The Mystery of Food MCQs Set 01?

Yes, Environmental Studies MCQs for Class 5 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.

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