Animals in Daily Life Online Test 7th Science Lesson 16 Questions in English

Explanation

Milk is white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for infant mammals. We use milk in our daily life for the following. Milk is the daily essential product which is obtained from animals like cows, buffaloes goats and camels.

Explanation

Milk is necessary in our daily diet to prepare tea, coffee, ice creams, chocolates, sweets and other related products. Highly recommended nutritive food containing protein and calcium are made from milk like, Paneer, Cheese, Cream, Butter, Ghee and curd.

Explanation

Eggs are laid by female birds of many different species to produce their young ones like hen, duck, turkey and ostrich. We use these in our daily life for the following. They are used in our daily diet to get energy and good health. It is highly nutritious and rich in protein.

Explanation

Eggs have 6 grams of high-quality protein. A protein packed breakfast helps to sustain mental and physical energy throughout the day. Consuming egg daily is good for any age people.

Explanation

The worker bees collect the nectar from the flowers. They nourish the young ones and repair the bee hive and also protect it.

Explanation

Meat is animal flesh that is eaten as food. Most often it is used to describe skeletal muscle and fat
that is found with it. Some people eat the flesh of animals such as chicken, sheep, rabbit, pig, goat,
camel, buffalo (beef), fish, crab, prawn, lobster and many more.

Explanation

Animal meat is considered as the part of diet by most of the people. Meat consumption is
considered essential for its nutritive values. Especially chicken breeding is done in large scale in
the form of poultry farming for economic purpose.

Explanation

Poultry farming is the process of raising domesticated birds such as chicken, duck, turkey and
geese for the purpose of getting meat and egg for food.

Explanation

Poultries are reared in large numbers and chickens being the most common one. Chickens are broadly of two types. 1. Layers (egg laying chickens) 2. Broilers (one’s that are reared for meat).

Explanation

Poultry farming requires safe and sufficient space (wired gages) for the birds. Plenty of water, proper ventilation and regular feed that is rich in proteins, fats and vitamins. Poultry feed is comprised of maize, wheat, millet and rice bran in mashed form and ground nut cakes

Explanation

Poultry birds suffer from various diseases caused by some microbes. It is important to keep their shelters clean and get the birds vaccinated against common diseases. Salmonellosis (diarrhoea) Caused by bacteria.

Explanation

Aspergilleses is a poultry disease Caused by fungus.

Explanation

Ranikhat disease, (Fowl pox) is a poultry disease caused by virus.

Explanation

Animal hair has a great demand. Th e hair from goat and sheep is used for manufacturing woollen clothes, shawls and blankets, mufflers and socks.

Explanation

Horse hair is used as bristles in small painting brushes. Even fur of animals including the skin is used to make warm and modern style clothes.

Explanation

Some fabric fibres such as cotton, jute, silks are called natural fibres.

Explanation

Cotton and jute are examples of plant fibres. Wool and silk fibres are examples of animal fibres.

Explanation

Wool is obtained from the fleece of sheep or goat. It is also obtained from the hair of rabbit, yak and
camel. Silk fibre is obtained from the cocoon of silkworm.

Explanation

Wool is the fibre derived from the fur of animals of the Caprinae family principally sheep. The hair of other mammals like goat, yak, alpaca and rabbit may also be called wool. Mostly, wool is produced from the outer coat of sheep.

Explanation

The processing of wool involves five major steps. They are as follows Shearing, Grading, washing, Carding and Spinning.

Explanation
The fleece from the same sheep may be different from different parts of the body. It is sorted out into separate piles of similar nature. This is known as Grading (or) Sorting.

Explanation

The flesh of the sheep is removed from its body. This is called shearing.

Explanation

The sheared skin is washed thoroughly with soap (or) detergents to remove dirt, dust and grease. This is called Washing (or) Scouting.

Explanation

Characteristic features of wool 1. It is resistant to heat, water, wear and tear. 2. It absorbs moisture.
3. Wool insulates against cold. So wool is a good insulator. And 4. It does not wrinkle easily.

Explanation

Silk worms live for a very short time, only about two months. During this period, they pass through
four stages of development. They are eggs, caterpillars, cocoon and adult moth. These stages are called as life cycle of a silk worm.

Explanation

Silk is the secretions of the silk moth. Silk is obtained from the cocoon of silk worms

Explanation

Silk is obtained from the cocoon of silk worms, which feed on the mulberry leaves.

Explanation

The cultivation and production of silk is known as Sericulture. Sericulture or silk farming is the
cultivation of silk worm to produce silk. It is the rearing of silk worms to obtain silk.

Explanation

An adult female silk moth lays about 500 eggs.

Explanation

An adult female silk moth lays about 500 eggs. The eggs are then kept in cold storage for six weeks. The eggs are placed in the incubator. After about ten days, the eggs hatch out and the larvae spend the next 35 days eating mulberry leaves.

Explanation

Characteristic features of Silk are
1. It is very soft , comfortable and versatile
2. It can be easily dyed.
3. It is the strongest natural fibre.
4. It has a poor resistance to sunlight exposure.

Explanation

Silk has natural beauty and elegance. It gives comfort in warm weather and warmth during colder months. It is used in the manufacture of classical and high fashion clothes, modern dresses particularly silk sarees, the elegant of beautiful dresses. It is also used in household for making
wall hangings, curtains, rugs and carpets. It is also being used in the manufacture of surgical threads for sutures.

Explanation

India is the world’s second largest silk producing country.

Explanation

Kancheepuram, Thirubhuvanam and Arani are famous places for silk production in Tamil Nadu.

Explanation

Hazard is any industry has the potential to cause injury, ill health or damage to human being and
their property or the environment.

Explanation

Generally, the workers in silk industry affected with arthritis is they stand for a long time reeling
the silk into yarn. They also develop back pain and visionary problem and skin injuries. Some time they may suffer from respiratory problem like asthma and bronchitis due to poor ventilated area of their work.

Explanation

Anthrax is caused by Bacillus anthracis by handling contaminated animal hair and contact with the live stock during hair processing

Explanation

Anthrax symptoms are fever, cough and shortness of breath, similar to a typical pneumonia. Sometimes it may lead to nausea, vomiting and diarrhoea.

Explanation

Penicillin or Ciprofloxacin is given as the best medicine for treatment of anthrax. The spread of the disease is controlled by vaccination of animals and by burning or burial of infected animal’s carcases. It is the duty of the employer to take care of the industrial workers by providing hygienic and well-ventilated work place.

Explanation

Hazards in wool industry the workers are exposed to various chemicals and detergents which causes allergies of the skin. They also get infected to anthrax bacterium which leads to fatal dead disease called the sorters disease.

Explanation

The types of wool are Alpaca, Fiber, Moheir, Cashmere and Lambs Wool.

Explanation

The types of silks are Eri Silk, Muga and Spider Silk.

Explanation

Ahimsa silk is also known as Peace silk.

Explanation

In 1992, Kusuma Rajaiah proposed ahimsa way of silk production for the making silks without killing the silkworm. It involves a humane method specifically letting the worms to hatch and then using the vacant cocoons.

Explanation

In 1992, Kusuma Rajaiah, a Government officer from Andhra Pradesh state of India proposed ahimsa way of silk production for the making silks without killing the silkworm. Traditional silk manufacturing methods involve boiling the cocoons of the silk worms and then sorting out the threads, which is used later in silk production. It has been supported by many people who are
interested in the welfare of animals.

Explanation

Study of breeding of animals and their maintenance is called Animal Husbandry. Protecting animals is like protecting our own children or parent. They are living things similar to human beings. The human tendency and conscience towards the animals should be considerate to protect and safe guard the animals, hence as human it becomes a great responsibility and obligatory to
protect the animals.

Explanation

The Prevention of Cruelty to Animals Act was enacted in 1960.