Class IV
Chater-3 (Plants: Their Growth and survival)
I. Fill in the blanks:1. The ability to adjust with surrounding is called________
2. The Earth is divided into ________ and ________.
3. There are ______ and ________ plants on Earth.
4. _______ are the plants that do not shed their leaves.
5. _______ are the plants that shed their leaves in winter.
6. ________ are the roots come out of the soil to breathe.
7. Coniferous trees are also called ________ trees.
8. Aquatic plants are ________,________ and _______.
9. Non green plants are called ________ plants.
10.__________ is an example of insectivorous plants.
II. Answer the following question:
1. How do terrestrial plants in plains adapted to live on land.
2. How do plants of marshy areas adapted to it?
3. How do trees in deserts adapted to it?
4. What are deciduous and evergreen trees? Explain with examples.
5. How are lotus, water lily and duckweed adapted to live in water.
6. Why lotus is called fixed aquatic plants.
7. Where are plants belong to grass family grown?
8. Why non green plants are also called parasitic plants.
9. How do insectivorous plants obtain nutrition?
10.How do under water plants adapted to grow in water.
11.Why we put pondweed in fish tank?
12.Write the name of four plants whether they are terrestrial or aquatic.
Chapter -5 (Animals: Living and surviving)
I. Fill in the blanks:1. A ________ is a place where plants and animals live.
2. The ___________are animals with back bone
3. ___________ are the animals without back bone.
4. The ability to adjust to one’s surrounding or habitat is called________.
5. _______________ animals live on land.
6. _____________ animals live in water.
7. _____________ live both on land and in water.
8. Frog breathes through _________ in water.
9. __________ animals spend most of their time on trees.
10.__________ animals spend most of their time in air.
11.Long winter sleep is called _____________.
12.Animals are grouped into _____________, ___________ and _________ according to the food they eat.
II. Correct following sentences:1. Herbivorous have long sharp teeth.
2. Camouflage is an ability to adjust with the surroundings.
3. Invertebrates are the animals that have back bone.
4. Aerial animals spend most of their time on trees.
5. Amphibians are the animals that live in water.
6. Adaptation means that animals cannot adjust.
III.
Give reasons:1. Animals undergo hibernation.
2. It’s important for animals to keep themselves safe.
3. Camel has thick skin.
4. Polar bear has think layer of fat under the skin.
5. Camel has hump in its body.
6. Some arboreal animals have spines and plates.
7. Some animals are called vertebrates.
8. Some animals are camouflage.
9. Some animals have scale and spines.
10.Birds have light bones.
IV. Answer the following questions:1. How do animals keep themselves safe?
2. Differentiate between herbivorous and carnivorous (any two)
3. Give any two examples of each:a) Terrestrial animals
b) Amphibians
c) Aquatic animals
d) Arboreal animals
e) Aerial animals
4. Name any two arboreal animals which have spines and plates.
5. How do aquatic animals adapt to live in water?
6. How is the body of is aerial adapt to fly?
7. How can you group animals according to the food they eat?
8. How is a polar bear adapted to live in the Polar Region?
9. How is a camel adapted to live in the desert?
10.Give two examples of each:a) Herbivorous
b) Carnivorous
c) Omnivorous
a) Chapter -6 (Health and hygiene)
I. Fill the blanks:1. Diet contains nutrients in right amount is called_________.
2. _________ are the substance essential for our body.
3. ________ and _______ are essential for the proper functions of our body.
4. ________ and ________ give us energy.
5. ________ keep our body warm.
6. Vitamin and _________ are called ______________
7. Roughage helps in _________ movement.
8. Saliva _______ the food.
9. Liver secretes digestive juice called _______
10. In ____________ digestion of the food ends.
11. The digested food is absorbed in _______
12. Water is absorbed in _____________.
II.
Answer in one word:1. This is essential to stay healthy.
2. This is essential to grow well and stay healthy.
3. Breaking down of food into simpler substances is called_________.
4. These are the useful substances present in the food.
5. These are the fiber present in the food which helps in bowl movement.
6. Tube through which the food goes down into stomach.
7. This forms a part of the blood and digestive juices
8. Diet that contains all the nutrients in right amount
9. This makes food tasty, soft and easy to digest.
10. These are body building food.
III. Give reasons for the following:1. Food should be kept covered.
2. We should chew food before it is swallowed.
3. The water in which rice is soaked should not be thrown.
4. We must drink six to eight glasses of water every day.
5. We should not eat too much of fats.
6. Rickshaw puller needs large amount of carbohydrates.
7. Tongue should be cleaned every day.
8. We must eat vitamin A rich diet
9. Ears should not be cleaned with the sharp objects.
10.Vitamins and minerals are called protective food
IV. Correct the following sentences:1. Digestion ends in stomach.
2. Carbohydrates are body building food.
3. Food should he overcooked.
4. It is important to take both once in two days
5. Saliva is secreted by the liver.
V. Answer the following Question:1. Why is food cooked? List four ways of cooking with one example of each.
2. Name five nutrients present in food and give two sources of each.
3. What are glands? Name any two glands present in our body.
4. What is digestion?
5. What is roughage and how they help us?
6. How do you take care of your hands and fat?
7. Why water is essential for us?
8. Why is food cooked properly?
9. What is hygiene? What will you do for your personal hygiene?
10.Write about good eating habits( any four)
11.What are the functions of saliva?
Chapter-7(teeth and microbes)
I. Fill in the blanks:1. ________ and _______ are the parts of the tooth
2. Structure of a root has ________, __________ and _________.
3. There are ________ kinds of teeth.
4. The ________ are the longest and curved teeth in _________.
5. _________ helps to remove bits of food.
6. _______ is a hole in tooth
7. __________ is the second set of teeth
8. ________ is the first set of teeth
9. _________ is a yellow sticky layer of germs on the teeth.
10._________ is the hardest substance present in our body.
II. Name the following:1. These can only be seen under a microscope
2. These diseases are caused by germs.
3. Name of the scientist who discovered microbes.
4. This is one of the foods stored in airtight containers.
5. This helps in making cakes
III. True or false:1. Germs are useful microbes.
2. Mushroom is bacteria.
3. We should brush our teeth twice a day
4. Enamel is the hardest known substance present in the body
5. There 32 permanent in an adult mouth
6. Molars are cutting teeth
7. Malaria is a diseases caused by virus.
8. By the age of six month we have 20 teeth
IV. Answer the following Questions:1. Write any two functions of teeth?
2. How microbes are useful to us?
3. How microbes are harmful to us?
4. What are germs? Write the name of four kinds of germs.
5. Name the diseases caused by germs (any two for each).
6. Name three ways of cleaning teeth.
7. How is a cavity forms?
8. What is food preservation? Name the methods of food preservation.
9. Draw a structure of a tooth and label its part
10.Write the function of pulp which is a part of a tooth
11.What is a bacteria?
12.What is s denture?
13.Why should we do not eat too much of sweets and chocolate.
14.How can you take care of your teeth?
15.How can you preserve following food:a) Milk
b) Biscuits
c) Mangoes
d) Pulse
e) cheese