DAV Class 5 Science Solution Chapter 4 Animals Our Friends
DAV School Books Class 5 Science Solution Chapter 4 Animals Our Friends all Question Answer. DAV Class 5 4th Chapter Animals Our Friends full Chapter explanation by expert teacher.
A.) Fill in the blanks.
Answer: (1) cat, dog (2) Dog (3) musk (4) Tusks (5) insects (6) habitats.
B.) Match the following:
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: (1) d (2) c (3) a (4) e (5) b.
C.) Tick the correct option.
- Tick the correct option.
1.) A delicacy made from the unfertilised eggs of a variety of fish is the-
Answer: caviar
2.) Which of these animals is extinct?
Answer: quagga
3.) The body part of rhinoceros, for which it is often hunted by humans, is-
Answer: horns
4.) Humans are destroying habitat of animals by-
Answer: cutting down trees
5.) Which of the following food chain is correct?
Answer: grains → hen → man
D.) Answer the following questions in brief.
1.) Name five wild animals.
Answer: few wild animals are Tiger, Lion, Fox,Giraffe, Wild boar.
2.) Give the meaning of the term food chain.
Answer: The food chain is a system that shows which animal consumes what.
3.) How are human beings destroying the natural surroundings of wild animals?
Answer: Due to deforestation and pollution of natural resources , problems such as global warming and loss of habitat have been threatening wild animals.
4.) Name the animals that can become man eaters.
Answer:Lions and tigers can become man eaters.
5.) Which Act has been passed by the Indian government to protect wildlife?
Answer :The wildlife protection act of 1972 was passed by the Indian Government to protect wildlife. It was made to stop poaching and other illegal activities such a hunting.
E.) Answers the following questions.
1.) State any five ways in which animals are useful to us.
Answer :
- Many animals such as silkworms provide us with valuable organic material that are a huge source of trade for humans. Silk worms give silk also sheeps give us wool. These products are not only traded but used as clothing materials
- Leather can obtained from the skin of animals
- Pearls which is used as a form of jewellery is obtained from oysters
- Animals can be used as a form of transportation such as horses
- Animals such as cow, sheep can be reared as cattle and give products such as milk which can be used to make other dairy products
2.) Differentiate between extinct and endangered animals. Give two examples of each type.
Answer:
Extinct animals | Endangered animals |
1. Species that no longer exist on the planet | The species that are at high risk of becoming extinct |
Example – Tasmanian Tiger, | Example – african elephant, |
Caribbean monk seal. | Bald eagle |
3.) What is wildlife trade? Why is it harmful?
Wildlife trade is the trade of wild animals for their skin or unique body parts. They are either killed , poached or hunted.
This is harmful because-
- Destruction of wildlife would disrupt the food chain
- Many species will become extinct.
4.) Suggest any four steps to prevent cruelty to animals.
Answer :
- We should not put animals in confinement such as birds in cages.
- We should not throw plastics here and there because the cattles might consume them and suffer severely.
- Try to avoid killing animals as much as possible for purposes such as leather, etc.
- We should spread awareness about a harmonious relationship between man and animal.
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-
- Caviar which are unfertilised eggs of a certain fish is a very luxurious food item
- The hair of mountain goats are used to make a different and very expensive variety of wool known as Pshmina
- Musk deers give off a beautiful scent from its navel known as Kasturi. It is a highly coveted perfume.