DAV CLASS 5 Science Solutions: We have discussed the solution of class 5 Science book chapter 4 solutions are given below with proper Explanation please bookmark our website for further updates.
Topics Discussed in this chapter are:
- Usefulness of Animals in our daily life
- Wildlife
- Dangers of wildlife
- Protection of wildlife
- Care of animals
SOMETHING TO KNOW
A. Fill in the blanks :
1. We keep dogs and cats as pets.
2. Dogs assist police in search operations.
3. Kasturi is an ingredient of musk deer.
4. Tusk of elephant have been used for making jewellery.
5. Extinction of frogs will increase the insect’s population.
6. Food chains are found in all habitats.
B. Match the following:
| Column I | Column II |
| 1. Crab—————– | (d)Seafood |
| 2. Oyster————— | (c) Pearl |
| 3. Ox—————— | (a) Pulling cart |
| 4. Mountain goat——– | (e) Pashmina Wool |
| 5. Bald eagle———– | (b) Endangered Animal |
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
Ans 1: (b) caviar
2. Which of these animals is extinct? (a) Bactrian camel(b) golden lion (c) quagga (d) panda
Ans 2: (c) quagga
3. The body part of rhinoceros, for which it is often hunted by humans, is (a) bones (b) horns (c) legs (d) skin
Ans 3: (b) horns
4. Humans are destroying the habitat of animals by (a) planting trees (b) reducing water pollution (c) controlling wildlife trade (d) cutting down trees
Ans 4: (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
Ans 5: (b) grains —> hen -, man and (c) acorn —> rat —> eagle.
D. Answer the following questions in brief :
1. Name five wild animals.
Ans. Elephant, tiger, lion, deer and bear
2. Give the meaning of the term food chain.
Ans. The process of ‘who eats whom’ is called the food chain.
3. How are human beings destroying the natural surroundings of wild animals?
Ans. Human beings are destroying the natural surroundings of wild animals by cutting down forests.
4. Name the animals that can become man-eaters.
Ans. Tiger, lion and leopard
5. Which Act has been passed by the Indian government to protect wildlife?
Ans. Wildlife Protection Act
E. Answer the following questions
1. State any five ways in which animals are useful to us.
Ans 1: Following are five ways in which animals are useful to us:
- Animals help us in transportation. Eg. Horses,Elephants,Camels Etc
- Silk comes from silkworm and wool comes from sheep. These items are used for making cloth.
- Animals are used in farming works.
- The skin of various animals is used to make leather. It’s used to make shoes, handbags, bags, and belts, among other things.
- Fish, prawns, lobsters and crabs are used as food.
2. Differentiate between extinct and endangered animals. Give two examples of each type.
| Endangered Species | Extinct Species |
| Those plants and animals that exist but their number is decreasing so fast. | Those plants and animals which are not in existence |
| If we do not save them they will become extinct | They cannot be brought back into existence |
| Example – Bengal Tigers, One-horned Rhinoceros | Example – Asiatic Cheetah, Dinosaurs |
3. What is wildlife trade? Why is it harmful?
Ans 3: In many parts of the world, wildlife is in danger because of many illegal hunting and poaching activities. There are animals that are being killed because their body parts are used by humans. This is known as the wildlife trade. The wildlife trade has led to the extinction of wild animals. Hence it is harmful.
4. Suggest any four steps to prevent cruelty to animals.
Ans 4: Four steps to prevent cruelty to animals are as follows:
♦ Do not throw polythene bags in the garbage. Stray cattle can swallow them and they may die.
♦ Do not put birds in cages and fish in aquariums. They feel trapped in small spaces and their life span gets reduced.
♦ Talk to your friends about how to treat animals with kindness and respect. Be a good role model.
♦ Visit and support your local animal rescue organization.
♦ Teach children to respect animals.
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.
Ans 5: Four examples of the use of animals’ body parts are as follows:
● The tusks or ivory of elephants is used for making jewellery and decorative pieces.
● Bears are killed in North and South America because of their gallbladders. 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
Chapter 1 |My Body |Class-5 DAV Science Question and Answer
Chapter 2 |Plants |Class-5 DAV Science Question and Answer
Chapter 3 |Forests |Class-5 DAV Science Question and Answer
Chapter 4 |Animals—Our Friends |Class-5 DAV Science Question and Answer
Chapter 5 |Food and Health |Class-5 DAV Science Question and Answer
Chapter 7 |Importance of Water |Class-5 DAV Science Question and Answer
Chapter 8 |Properties of Water |Class-5 DAV Science Question and Answer
Chapter 9 |Fuels |Class-5 DAV Science Question and Answer
Chapter 10 |Air |Class-5 DAV Science Question and Answer
Chapter 11 |Our Solar System |Class-5 DAV Science Question and Answer
Chapter 12 |Observing the Sky |Class-5 DAV Science Question and Answer