The DAV Class 5 Science Book Solutions and DAV Class 5 Science Chapter 4 Question Answer – Animals Our Friends are essential study tools for DAV public school students in Class 5.
DAV Class 5 Science Chapter 4 Question Answer – Animals Our Friends
DAV Class 5 Science Ch 4 Question Answer – Animals Our Friends
Something To Know
A. Fill in the blanks.
Question 1.
We keep ______ and ______ as pets.
Answer:
dogs, cats
Question 2.
______ assist police in search operations.
Answer:
Dogs
Question 3.
Kasturi is an ingredient of ______ deer.
Answer:
musk
Question 4.
______ of elephant have been used for making jewellery.
Answer:
Tusks
Question 5.
Extinction of frogs will increase the ______ population.
Answer:
insect
Question 6.
Food chains are found in all ______
Answer:
habitats.
B. Match the following.
| Column I | Column II |
| 1. crab | (a) pulling cart |
| 2. oyster | (b) endangered animal |
| 3. ox | (c) pearl |
| 4. mountain goat | (d) sea food |
| 5. bald eagle | (e) pashmina wool |
Answer:
| Column I | Column II | |
| 1. crab | d | (a) pulling cart |
| 2. oyster | c | (b) endangered animal |
| 3. ox | a | (c) pearl |
| 4. mountain goat | e | (d) sea food |
| 5. bald eagle | b | (e) pashmina wool |
C. Tick (✓) the correct option.
1. A delicacy made from the unfertilized eggs of a variety of fish is the
(a) kasturi
(b) caviar
(c) pashmina
(d) tusk
Answer:
(b) caviar
2. Which of these animals is extinct?
(a) Bactrian camel
(b) golden lion
(c) Question uagga
(d) panda
Answer:
(c) Question uagga
3. The body part of rhinoceros, for which it is often hunted by humans, is
(a) bones
(b) horns
(c) legs
(d) skin
Answer:
(b) horns
4. Humans are destroying habitat of animals by
(a) planting trees
(b) reducing water pollution
(c) controlling wildlife trade
(d) cutting down trees
Answer:
(d) Cutting down trees
5. Which of the following food chain is correct?
(a) leaves → frog → snake
(b) grains → hen → man
(c) acorn → rat → eagle
(d) plant → jackal → lion
Answer:
(b) grains → hen → man
D. Answer the following Questions in brief.
Question 1.
Name five wild animals.
Answer:
Elephant, tiger, lion, deer and bear
Question 2.
Give the meaning of the term food chain.
Answer:
The process of ‘who eats whom’ is called the food chain.
Question 3.
How are human beings destroying the natural surroundings of wild animals?
Answer:
Human beings are destroying the natural surroundings of wild animals by cutting down forests.
Question 4.
Name the animals that can become man eaters.
Answer:
Tiger, lion and leopard
Question 5.
Which Act has been passed by the Indian government to protect wildlife?
Answer:
Wildlife Protection Act
E. Answer the following Questions.
Question 1.
State any five ways in which animals are useful to us.
Answer:
Following are five ways in which animals are useful to us:
- Silk comes from silkworm and wool comes from sheep. These items are used for making cloth.
- Leather comes from the skin of various animals. It is used for making shoes, purses, bags, belts, etc.
- Pearl comes from oyster. It is used as jewellery.
- Fish, prawns, lobsters and crabs are used as food.
- Many animals are used as means of transport, e.g. horses, elephants, camels, etc.
Question 2.
Differentiate between extinct and endangered animals. Give two examples of each type.
Answer:
| Extinct Animals | Endangered Animals |
| They no longer live on earth. | They are living at present but are in danger of becoming extinct. |
| Examples: Tasmanian tiger, passenger pigeon | Examples: African elephant, Bactrian camel |
Question 3.
What is wildlife trade? Why is it harmful?
Answer:
Many wild animals are killed and their body parts are sold. This is called wildlife trade. Wildlife trade has resulted in extinction of many animals. Hence, it is harmful.
Question 4.
Suggest any four steps to prevent cruelty to animals.
Answer:
Four steps to prevent cruelty to animals are as follows:
- We should not throw polythene bags in the garbage. Stray animals may eat them and die due to suffocation.
- We should not keep the birds in cages or the fish in aQuestion uarium. This robs them of their independence.
- While visiting a garden or a park, never remove eggs from a bird’s nest.
- We should keep some water in a bowl and keep its outside. This will allow many birds to drink water.
Question 5.
Some wild animals are hunted because their body is considered useful by man. Give four examples of such wild animals. Also mention the part of the body which is used in each case.
Answer:
Four examples of use of animals’ body parts are as follows:
- The tusks or ivory of elephants is used for making jewelry and decorative pieces.
- Bears are killed in North and South America because of their gall bladders. The gall bladder of bears is used for making medicines.
- The horn of rhinoceros is used for making medicines.
- Kasturi obtained from musk deer is used for making perfume.
Value-Based Questions
Question 1.
State the values, displayed by Aadya that you would also like to have.
Answer:
I would like to have following values displayed by Aadya: helpful nature, concern and empathy for others, love for animals.
Question 2.
Have you ever had a chance to help a senior citizen? Share your experiences with your classmates.
Answer:
Once I got a chance to help a senior citizen. I was playing in the park. I saw a very old person was unable to walk properly. He appeared to be too tired. When I asked him, I came to know that he was the grandfather of one of my neighbours. I just held his hand and helped him reaching home. This gave me immense pleasure.
Question 3.
Do you think that a pet is likely to be a good companion for a single senior citizen?
Answer:
A pet can be a very good companion for a single senior citizen. The pet will act like a friend. The senior citizen can have good time with the pet.
Something To Do
Question 1.
Complete the following food chains.
The first one is done for you.
(a) Plant → Insect → Sparrow
Answer:
Insect
(b) Grass →______ → Lion
Answer:
(b) Deer
(c) Plant → Grasshopper → ______ → Snake
Answer:
(c) Frog
(d) Producer → ______→ Carnivore
Answer:
(d) Herbivore
(e) Grains → Mouse → ______
Answer:
(e) Eagle.
Question 2.
Solve the following crossword puzzle with the help of given clue.
ACROSS:
1. Hunted for kasturi
4. Slaughtered for hom
5. Rules the sky but still in danger of becoming extinct
6. Green bird, my pet.
7. Who eats whom
8. Interconnected food chains form a ………..
10. I was there once upon a time …………
DOWN:
1. Voted as one of the seven wonders of the world.
2. Open an oyster and you may find me.
3. A relative of frog. I am now extinct.
6. I eat bamboo leaves to grow, am in logo of WWF.
8. Desert is my home.
Answer:
DAV Class 5 Science Chapter 4 Solutions – Animals Our Friends
I. Multiple Choice Questions (MCQs)
1. Pearl is obtained from which animal?
(a) Oyster
(b) Fish
(c) Musk deer
(d) Rhinoceros
Answer:
(a) Oyster
2. Which animal helps the police in finding bombs?
(a) Tiger
(b) Dog
(c) Rat
(d) Cat
Answer:
(b) Dog
3. Which animal is killed for its gall bladder?
(a) African Elephant
(b) Rhinoceros
(c) Bear
(d) Tiger
Answer:
(c) Bear
4. Hom of which animal is made into powder to make medicines?
(a) Wild buffalo
(b) Antelope
(c) Bison
(d) Rhinoceros
Answer:
(d) Rhinoceros
5. Which animal is in the logo of WWF?
(a) Panda
(b) Lion
(c) Tiger
(d) Elephant
Answer:
(a) Panda
II. Fill in The Blanks
Question 1.
______ are hunted for ivory.
Answer:
elephant
Question 2.
______ from a deer is used for making perfume.
Answer:
musk
Question 3.
Legs of ______ are eaten as delicacy.
Answer:
frog
Question 4.
The process of ‘who eats whom’ is called ______ chain.
Answer:
food
Question 5.
A ______ specialises in treating animals.
Answer:
veterinarian.
III. Write True/False
1. A snake is eaten by an owl.
2. Food chain is more complex than food web.
3. Wildlife is not important for us.
4. Birds should be kept in cages for better protection.
5. Caviar is a dish made from unfertilized egg of a variety of fish.
Answer:
1. A snake is eaten by an owl. (True)
2. Food chain is more complex than food web. (False)
3. Wildlife is not important for us. (False)
4. Birds should be kept in cages for better protection. (False)
5. Caviar is a dish made from unfertilized egg of a variety of fish. (True)
IV. Define the Following
Question 1.
Extinct species
Answer:
A species which no longer lives on the earth is called extinct species.
Question 2.
Endangered species
Answer:
A species which is in danger of becoming extinct is called endangered species.
Question 3.
Habitat
Answer:
The home of a living being is called its habitat.
Question 4.
Veterinarian
Answer:
A doctor who treats animals is called a veterinarian.
Question 5.
Wildlife
Answer:
All those plants and animals that live and grow on their own in natural surroundings come under wildlife.
V. Answer the Following Questions in One Word
Question 1.
Leather is made from which body part of an animal?
Answer:
Skin
Question 2.
What is obtained from oysters?
Answer:
Pearl
Question 3.
Silk is obtained from which animal?
Answer:
Silkworm
Question 4.
What is another name for the tusk of elephants?
Answer:
Ivory
Question 5.
Which type of animals are at second level in a food chain?
Answer:
Herbivores
VI. Answer The Following Questions
Question 1.
What do you understand by wildlife?
Answer:
All those plants and animals that live and grow on their own in natural surroundings come under wildlife. Wildlife is found everywhere; in plains,
rivers, mountains, seas, rainforests and deserts.
Question 2.
What is wildlife trade? What are the dangers of wildlife trade?
Answer:
Many wild animals are killed and their body parts are sold. This is called wildlife trade. In many parts of the world, wildlife is in danger because of illegal hunting and poaching.
Question 3.
Explain Wildlife Protection Act.
Answer:
The Wildlife Protection Act was enacted in 1972 by the Government of India. As per this Act, poaching and illegal trade in wildlife is a punishable offence. This Act was amended in January, 2003 and the amendment made more stringent penalty for offences as per this Act.
Question 4.
What do you understand by food web?
Answer:
In nature, there is a complex network of various food chains. Most of the animals become food for many other animals. Similarly, most of the animals eat a variety of animals. The interconnected food chains make the food web.