Samacheer Kalvi 5th Science Guide Term 3 Chapter 1 Our Environment

Tamilnadu State Board New Syllabus Samacheer Kalvi 5th Science Guide Pdf Term 3 Chapter 1 Our Environment Text Book Back Questions and Answers, Notes.

Tamilnadu Samacheer Kalvi 5th Science Solutions Term 3 Chapter 1 Our Environment

Samacheer Kalvi 5th Science Guide Our Environment Text Book Back Questions and Answers

Evaluation

I. Choose the correct answer:

Question 1.
Which of the following produces more milk?
(a) cow
(b) yak
(c) buffalo
(d) goat
Answer:
(a) cow

Question 2.
Poultry farming is rearing and breeding of _______.
(a) chickens
(b) cows
(c) avian species
(d) animal
Answer:
(c) Avian species

Question 3.
_______ is the best fertilizer.

(a) Vermicompost
(b) Fruits
(c) Synthetic Fertiliser
(d) Urea
Answer:
(a) Vermicompost

Question 4.
_______ is more profitable than Agriculture.
(a) Dairy farm
(b) Farming
(c) Cultivation
(d) Poultry
Answer:
(b) Farming

Question 5.
The poultry farm is famous in _______ district in Tamil Nadu state.
(a) Ariyalur
(b) Salem
(c) Namakkal
(d) Thanjavur
Answer:
(c) Namakkal

II. Fill in the blanks:

Question 1.
There are ________ breeds of cattle in India
Answer:
26

Question 2.
The milk of_______ has more nutrients than cow’s milk.
Answer:
Buffalo

Question 3.
_______ contains high amount of fiber.
Answer:
Roughage

Question 4.
Droppings of poultry birds are used as.
Answer:
Manure

Question 5.
Vermicomposting is a method of transforming _______ into a nutrient rich fertilizer.
Answer:
Organic waste

III. Match the following:

1. Surti	a. Egg
2. White revolution	b. Transportation
3. Layers	c. Leguminous plants
4. Green manure	d. Buffalo
5. Cattle	e. Milk

Answer:

1. Surti	a. Buffalo
2. White revolution	b. Milk
3. Layers	c. Egg
4. Green manure	d. Leguminous plants
5. Cattle	e. Transportation

IV. Say True or False:

Question 1.
Farming is done on a commercial scale.
Answer:
True

Question 2.
Vermicompost caribe used to dean sewage.
Answer:
True

Question 3.
Leguminous plants fix nitrogen in the leaves of the plants.
Answer:
False
Correct Statement:
Leguminous plants fix nitrogen in the roots of the plants.

Question 4.
Namakkal district is famous for dairy farms.
Answer:
False
Correct Statement:
Namakkal district is famous for poultry farms.

Question 5.
Murrah is a buffalo breed.
Answer:
True

V. Answer briefly:

Question 1.
What is farming?
Answer:
Farming is the activity of growing crops and raising livestock.

Question 2.
Mention the types of farming.
Answer:

Large scale farms
Middle-sized farms
small-sized farms

Question 3.
Write a note on a poultry farm.
Answer:

In poultry farms, avian species are reared and bred for the purpose of egg, meat, or both.
Fowls, ducks, geese, turkeys, and some varieties of pigeon are the most commonly reared species.
Proper management of poultry includes methods of hatching, rearing, housing, sanitation, prevention of diseases, and a sound marketing system.

Question 4.
What is farmyard manure?
Answer:

A common form of animal manure is farmyard manure.
It contains the feces and urine of different livestock like horses, cattle, pigs, sheep, chickens, turkey, and rabbits.
It contains nutrients like nitrogen, phosphorus, and potassium. It increases the capacity of soil to hold more water and nutrients.

Question 5.
Define vermicompost.
Answer:

Vermiculture or Vermicomposting is a method of transforming organic wastes such as waste papers, leaves, pieces of wood, etc., into a nutrient rich fertilizer using earthworms.
It is a healthy and clean way to eliminate wastes going into our landfills.
It keeps the environment clean.
Earthworms eat the organic wastes and excrete it in the form of castings. This is known as vermicompost.

VI.Answer in detail:

Question 1.
What are the uses of animal products?
Answer:

Milk is used to produce milk products like cheese, butter, curd, etc.
Cattle dung is used as manure. It is also used as fuel and for the generation of biogas.
Panchagavya is an ayurvedic medicine used in agriculture to control pests and fungi. It is a mixer of dung and urine of cows, fresh milk, curd, jaggery, and ghee.
Leather goods are manufactured from cattle hides.

Question 2.
How will you manage a poultry farm?
Answer:
Poultry birds need a clean environment. The following measures should be taken in order to avoid diseases.

Poultry houses should be clean and disinfected.
It should have windows for ventilation.
Light is essential for high egg production.
Poultry birds need clean and freshwater.
Timely vaccination is necessary to prevent diseases.

Activities:

Activity 1.
Visit an animal farm in your area and prepare a list of animals domesticated there. Also, find out the products you can get from there.

Cow – Milk
Goat – milk
Buffalo – milk
Hen – Eggs
Duck – Eggs

Activity 2.
The below cows are some of the cattle breeds found in Tamil Nadu. With the help of your teacher find out the districts where they are found.
Samacheer Kalvi 5th Science Guide Term 3 Chapter 1 Our Environment 3
Answer:

Activity 3.
Visit a veterinary hospital in your area and find out the common diseases found among the cattle in your area. Try to know how such diseases can be prevented.
Answer:

Common cattle disease	Prevention
Anthrax	Regular annual vaccination of animals
Black quarter	(i) Regular vaccination (ii) Disinfection of animal sheds with bleaching powder or phenol

Activity 4.

Fill in the blanks using the words given below.
(Oilseeds, Egg, Honey, Food grains, Fish)

Question 1.
Green revolution : _____.
Answer:
Food grains

Question 2.
Blue revolution : _____.
Answer:
Fish

Question 3.
Silver revolution : _____.
Answer:
Eggs

Question 4.
Gold revolution : _____.
Answer:
Honey

Question 5.
Yellow revolution : _____.
Answer:
Oilseeds

Samacheer Kalvi 5th Science Guide Our Environment Additional Questions and Answers

I. Choose the correct answer:

Question 1.
_______ is the cultivation of land and breeding of animals and plants to provide food, fiber, wood & medicinal plants.
(a) Agriculture
(b) Floriculture
(c) Apiculture
Answer:
(a) Agriculture

Question 2.
_______ includes all living things such as plants and animals.
(a) Physical environment
(b) Biological environment
(c) Natural environment
Answer:
(b) Biological environment

Question 3.
_______ is the biggest buffalo milk producer in the world.
(a) China
(b) India
(c) Japan
Answer:
(b) India

Question 4.
________ medicine deals with prevention, diagnosis, and treatment of disease, disorder, and injury for domestic and non-domestic animals.
(a) Dentist
(b) General
(c) Veterinary
Answer:
(c) Veterinary

Question 5.
_______ are affected by internal parasites like roundworm and tapeworm.
(a) Farm animals
(b) Camels
(c) Poultry birds
Answer:
(c) Poultry birds

II. Fill In the blanks:

Question 1.
Leather goods are manufacture from _______.
Answer:
cattle hides

Question 2.
_______ & _______ disease and _______ are some of the common diseases found among cattle.
Answer:
Foot and mouth disease and anthrax

Question 3.
_______ was called as the father of white revolution.
Answer:
Dr. Verghese Kurien

Question 4.
________ is used as a fertilizer for the soil and it improves the properties of the soil.
Answer:
Vermicompost

Question 5.
_______ helps in the suppression of weeds and the prevention of soil erosion.
Answer:
Green manure.

III. Say True or False:

Question 1.
Krishnagiri district of Tamilnadu is the biggest cattle form in Asia.
Answer:
True

Question 2.
Bhadawari and Surti are the buffalo breeds found in India.
Answer:
True

Question 3.
Chicken occupies 90% of the total poultry.
Answer:
True

Question 4.
Whitelegon is the most egg yielding breed in the world.
Answer:
True

Question 5.
Common earthworms are used for vermicomposting.
Answer:
False
Correct statement:
Common earthworms are not used for vermicomposting.

IV. Match the following:

1. Murrah	a. Gujarat
2. Poultry	b. Punjab
3. Jaffrabadi	c. Bacteria
4. Foul cholera	d. Fertilizer
5. Manure	e. Namakkal

Answer:

1. Ongole	a. Tamil nadu
2. Birds for meat	b. Fix nitrogen
3. Kangayam	c. Phosphorus
4. Animal manure	d. Andhra pradesh
5. Leguminous plant	e. Broilers

Answer:

V. Answer briefly:

Question 1.
What is dairy farming?
Answer:
Dairy farming is a type of agriculture that focuses on the extraction of milk and preparation of various milk products like cheese, butter, curd, etc.

Question 2.
Name some cattle breeds of India?
Answer:
Gir, Sahiwal, Red Sindhi, Kangayam, and Ongole are some of the cattle breeds found in India.

Question 3.
Name some buffalo breeds of India.
Answer:
Murrah, Jaffrabadi, Bhadawari, and Surti are the buffalo breeds that are found in India.

Question 4.
What food do cattle need?
Answer:

Cattle need nutritious feed in order to be healthy and to produce high milk yield.
The cattle feed includes roughage and concentrates.
The roughage contains a high amount of fiber and it includes fodder, hay, straw, and silage.
Concentrates include broken grams, cereals, millets, rice polish, cotton seeds, and oil cakes.
Apart from these feeds, cattle need an adequate amount of freshwater.

Question 5.
How to reduce the spread of diseases in cattle?
Answer:

Maintaining proper sanitation is necessary to stop the spread of these diseases.
Timely vaccination can prevent most of the diseases.

Question 6.
Name the poultry farms found in Tamilnadu.
Answer:
In Tamil Nadu famous poultry farms are found in places like Namakkal, Palladam, and Chennai.

Question 7.
What is Liquid Gold?
Answer:
Honey is an exciting source of natural sweet. It is also called Liquid Gold.

Question 8.
How are fowls classified?
Answer:
Fowls are classified on the basis of their utility to man. They are:

Meat type (broiler),
Egg type (egg layer)
Dual type.

Question 9.
What are the minerals present in the egg?
Answer:
Egg contains minerals like calcium, phosphorus, and sodium, and vitamins Like Bi, B2, and D.

Question 10.
Name the different types of manure.
Answer:
Animal manure, green manure, and compost manure are different types of manures.

Question 11.
What is manure?
Answer:

Manure is an organic matter used as fertilizer.
It is mostly derived from animal and plant residues.
It increases the fertility of the soil by adding nutrients such as nitrogen, phosphorus, and potassium.
It is a natural form of fertilizer and it is cheaper.

Question 12.
What is green manure?
Answer:

This is manure obtained by decomposition of green leaves, twigs of trees, shrubs, and herbs.
Leguminous plants like clover are used for this purpose.
These plants are ploughed in the soil.
They fix nitrogen in the root of the plants.
They also help in suppression of weeds and prevention of soil erosion.

Question 13.
What is compost?
Answer:
Compost is obtained by decomposition of organic matter like crop residues, animal wastes, and food wastes by various microorganisms like bacteria and fungi under controlled conditions. These microorganisms break down organic matter into simpler substances.

Question 14.
Name some organic matters which are biologically degradable and used in vermicomposting.
Answer:

Crop residues like rice straw, rice husk, tea wastes, and tobacco wastes.
Fruit and vegetable wastes.
Animal wastes like cattle dung, poultry droppings, and droppings of goat and sheep.

Question 15.
Name some earthworms that are used in vermicompost.
Answer:
Red wigglers, European nightcrawlers, and African nightcrawlers.

VI. Answer in detail:

Question 1.
How are poultry birds useful to us?
Answer:
Egg, meat, and manure are the three main benefits.

Poultry birds are a good source of nutritive food.
Eggs laid by them are rich source of protein. These are easily digestible. They contain minerals like calcium, potassium, and iron, vitamins, and a moderate amount of fat.
Their feathers are used for making pillows and quilts.
Dropping of the poultry birds is used as manure. It is highly valuable for crops.

Question 2.
Write a note on poultry disease.

Poultry birds affected by the virus suffer from fever and diarrhea.
Foul cholera is caused by bacteria.
Overexposure to wet and cold conditions causes cramps in poultry birds.
Poultry birds are affected by internal parasites like roundworm and tape worm. They are also affected by external parasites like flees, lice, ticks, etc.