Food and Digestion

2. Tick the correct answer.

Iron is essential for the formation of haemoglobin.

Vitamin K assists in healing wounds by blood clotting.

The food pipe is called the oesophagus.

Glucose is the simplest form of sugar for bodily use.

Solid waste exits through the anus.

Incisors aid in tearing food.

3. Answer in one word.

Digestion starts in the mouth.

Digestion concludes in the small intestine.

4. True or false?

False: All living things do not exclusively depend on plants for their food.

False: The Moon is not the main source of energy.

True: All food chains start with plants.

False: Plants are not heterotrophs; they are autotrophs.

True: Many food webs interlink to form food chains.

5. Match the following:

Herbivore matches with Goat.

Carnivore matches with Tiger.

Omnivore matches with Crow.

Parasite matches with Bacteria.

Decomposer matches with Mosquito.

6. Select the correct answer:

A goat is a herbivore.

Green plants are called autotrophs.

A hyena is a Scavenger.

3. Fill in the blanks:

Male bees are called drones.

Worker ants use soil and dirt to build a colony.

Beeswax is used to make candles and cosmetics.

A hive contains six-sided compartments called honeycombs.

A community of social insects is called a colony.

4. True or false?

False: Ants and bees are insects that live singly.

True: The queen bee collects nectar from flowers.

True: The lifecycle of an ant has four stages.

False: Beeswax is not used as a sweetening agent.

False: Elephants live in groups called herds.

5. Match the following:

Birds match with Herd.

Bees match with Honeycomb.

Ants match with Underground Tunnel.

Elephants match with Flock.

Fish match with Shoal.

7. Write 'T' for true and 'F' for false statement.

False: Natural disasters are not man-made disasters.

True: Avoid using an elevator during an earthquake.

True: The Indian Armed Forces are trained to help in difficult situations.

True: Antiseptic should be applied on burns.

8. Match the following:

Earthquake matches with Sudden shaking of the earth.

Tsunami matches with Giant waves.

Cyclones match with Coastal areas.

Landslides match with Himalayan region.

Floods match with Rapid melting of glaciers.

2. Fill in the blanks:

Oxygen gas is soluble in water.

The density of iron is more than water.

1 litre contains 1000 millilitres.

In a sugar solution, sugar is a solute.

Ink is a miscible liquid.

3. Match the following:

Baoli's are seen in the summer.

Sea Water is salty.

Piaos are dissolved in water.

Open wells are step wells.

A solute is an underground water source.

1. Fill in the Blanks

Duckweed is a free-floating plant.

Labeo is an aquatic animal.

Cattail is an emergent plant.

Torpedo produces electricity.

Pyrosoma is known as fire-flames.

2. Match the Following

Malaria matches with Plasmodium.

Dolphin matches with Mammal.

Hydrilla matches with Rooted Submerged.

Sea Dragon matches with Fish.

Egret matches with Bird.

3. True or False statements

True: Water hyacinth is a free-floating plant.

True: Herons have long webbed toes.

True: Water lily is a rooted plant with floating leaves.

False: Malaria is not caused by the bite of male anopheles mosquito.

False: A Jellyfish is not a fish.

2. Fill in the blanks:

Petroleum is refined in refineries.

Walk short distances to avoid using vehicles.

Fossil fuels take millions of years to form.

LPG is used as cooking fuel.

3. Write 'T' for true and 'F' for false statement.

True: CNG is an eco-friendly fuel.

False: Cycle rickshaws do not use diesel as a fuel.

False: Petrol is not a renewable energy source.

False: Diesel is not an eco-friendly fuel.

True: Synthetic fuels are very cheap to manufacture.

True: White on the flag represents peace and truthfulness.

False: Sunita Williams was not the first Indian-origin woman in space.

False: Rakesh Sharma was not awarded the Nobel Prize.

5. Match the following:

Petrol matches light vehicles

Diesel matches heavy vehicles

Synthetic fuel matched with coal

Renewable source of energy matched with solar energy

Fill in the blanks:

Historical buildings are witnesses of our glorious distant past

Shah Jahan Built the Taj Mahal in memory of his wife, Mumtaz Mahal

Sun Temple is situated at Konark in Orissa

Qutub Minar is made of Red Sandstone stone

Ajanta and Ellora sculptures are carved out of rock

Choose the correct answer:

Heritage monuments are maintained by the Archeological Survey of India

The Taj Mahal was built on the banks of the Yamuna River

The sun temple at Konark was built in the twelfth century

Qutub Minar is near New Delhi.

The Gateway of India is in Mumbai.

Match the following.

Rakesh Sharma matches with Ashoka Chakra

Neil Armstrong matches with first man on the Moon

Bachendri Pal matches with first Indian woman on Mt. Everest

Kalpana Chawla matches with Columbia Space Shuttle

1. Fill in the Blanks

agriculture Means cultivation of land.

soil plans A tool used to break the pieces of mud

Naturas and Chemical fertiliste are added to the soil

Excess of chemicals can make the soil Infertile

2. True or false?

False: Harvesting of grain crops is not called reaping.

True: Insecticides are sprayed with the help of a sickle.

True: Fertilizers are made from animal and plant waste.

False: The food chains do not start with animals.

False: Fences and boundary walls are not raised to keep the insects away.

True: We get fruit and vegetables from a grocery shop.