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(b) meristem culture

a. The prey catching process depends on their types. 

b. The aquatic birds with the help of their beaks get their prey sliding upside down into the water. 

c. The birds of paddy fields get small insects with the help of sharp claws of their limbs.

Head, eyes, nostrils, mouth, belly, tail.

Correct answer is  (c) Lungs

1. Micro propagation

It is the tissue culture method used to produce large no. of plants within a short period.

2. advantages of this method:

• The plants are genetically identical to the original plant from which they grown (soma clones).
• The plants must be virus free as meristems are used as explants.

• Measures should be taken under following headings:-
• Selection of Breed – Milk production depends mainly on breed. High yielding, disease resistant, acclimatised to climate condition of the area.
• Cattle shed – It should be spacious, roofed but airy with sloping floors draining wine and dung removal with permanent water supply. 
• Feed – Daily, regular, fresh fodder and water in adequate quantity has to be provided. 
• Grooming – To be regularly brushed, massaged and cleaned. Regular grooming keeps cattle healthy.
• Sanitation – Hygiene of cattle, handlers, transportation, mechanisation etc., to bee kept, Sanitation of cattle shed.
• Health care – Regular checkup, vaccination is mandatory

Correct answer is (b) Singapore

Correct answer is (b) Biology

Amoeba with the help of finger like projection called pseudo podia move from place to place.

d. i, iv, ii and iii

To improve the quality and quantity of milk production the following steps are to be taken.

• Selection of good breeds having high yielding potential and disease resistance.
• The cattle should be housed well with adequate water and maintained disease free.
• The feeding of cattle should be in scientific manner – giving emphasis on quality and quantity of fodder. 
• Cleanliness and hygiene (both of cattle and handlers) should be given paramount importance to milking, storage and transport of milk.

Fortification of crops is needed for following reasons:

a. To improve the nutritional quality,

b. to improve public health,

c. to prevent malnutrition, (Any two)

1. Birds have streamlined body covered with feathers. 

2. This body shape provides minimum resistance to air. 

3. They have beak instead of mouth.

4. They breathe through lungs. 

5. They have hollow and light bones. 

6. The tail of the bird helps it to control the direction of the movements. 

7. They have strong chest muscles. 

8. They have binocular vision.

1. Cells 

2. multi cellular organisms 

3. microscopics 

4. Contractile vacuoles

5. Swimming 

6. Dinosaurs 

7. feathers 

8. Camel

1. False. Fishes are multicellular organism.

2. False. In Amoeba, respiration is by simple diffusion through the body surface.

3. True.

4. True

5. False. Some lizards have the capacity to rotate the head around the head joint.

6. False. Movement of animals to different locations due to the season changes is said to be Migration.

7. True.

a. Birth rate is expressed as the number of births per 1,000 individuals of a population per year. 

For example, in a pond there were 200 frogs and 40 more were born in a year. Then, the birth rate of the population will be 40/200 = 0.5 frogs per year. 

b. Sex ratio, age distribution, population density, population growth.

1. It is the Breeding crops with higher levels of vitamins, minerals, higher proteins and heal their fats 

2. objectives:

• protein content and quality
• oil content and quality.
• vitamin content
• micro nutrient and mineral content

1. It is the breeding crops with higher levels of vitamins and minerals, higher protein and healthier fats.

2. four examples of bio fortified crops released by IARI, New Delhi:

• vitamin A - enriched carrots, spinach, pumpkin; 
• vitamin C enriched bitter gourd, bathua, ustard,tomato; 
• Iron and calcium enriched spinach and bathua;
• Protein enriched beans – broad, lablab, French and garden peas

Camel is called as ship of the desert. A camel has large and flat padded feet which help it to walk easily on soft sand.

1. True.

2. False. The geographical features and environmental conditions on earth differ from one place to other

3. True

4. False. Birds can see two objects at a time. (Binocular vision)

5. False. Paramoecium is a unicelluar organism.

Adaptations of a desert plant: 

i. Leaf surface has a thick cuticle. 

ii. Stomata are situated in deep pits. 

iii. Stem is flattened and performs photosynthesis. 

iv. Leaves are modified into spines as in Opuntia.

b. Desert habitat

 Correct Option is (C) Crossing with a homozygous dwarf pea.

Correct answer is

(B) Recombination

No, non-essential and undigested food is thrown out of the body in the form of waste.

The unused part of food is converted into excreta.

Context : The poet is sitting in a country churchyard. There are men lying buried in their small graves. Nobody and no sound can wake them up. They will never come back to life because they have died. They were very simple, uneducated and poor people. 

Explanation : In this stanza the poet says that the people who are buried here were very simple and useful. They worked hard for the nation. Fate never favoured them yet they were always contented. The history of their life is very short and simple. So the rich and great people should not laugh at them. They should not see them with hatred. 

Yes, it is called a business. Suggestions to expand the business : 

1. He take the loan from the bank for the business. 

2. Provide best shelter to cattle and nutritious fodder.

3. Find suitable market and transport facilities. 

4. Tie up with diary products, industries, hotels, etc., to increase business opportunity.

1) C 

2) D 

3) E 

4) A 

5) B

The main source of income for my family is salary of my father.

Correct option is C) Interest

Following are the Rights of consumers.

1) Right to safety : Certain goods may cause serious injuries. These goods are pressure cookers, gas cylinders, electrical goods, etc. If there is any manufacturing defects in the goods, consumers have right to be protected against their fatal risk. 

2) Right to be informed : A consumer has the right to be informed about the quality, quantity and price of the product. 

3) Right to Choose : The consumer has the right to choose the product of his choice out of the alternative products available.

4) Right to seek redressal : Consumer have the right to seek redressal against unfair trade practices and exploitation.

D) All the above

1. To provide recreation to the people who are vexed with daily routine. 

2. People can buy various products at one place.

3. To provide tourist attraction. 

4. Kids can find lot of fun by playing various games.

Consumer Rights:

1. The right to be protected against the marketing of goods, products or services which are hazardous to life and property. 

2. The right to be informed about the quality, quantity, potency, purity, standard and price of goods, products or services, as the case may be, so as to protect the consumer against unfair trade practices. 

3. The right to be assured, wherever possible, access to a variety of goods, products or services at competitive prices. 

4. The right to be heard and to be assured that consumers interests will receive due consideration at appropriate fora. 

5. The right to seek redressal against unfair trade practice or restrictive trade practices or unscrupulous exploitation of consumers. 

6. The right to consumer awareness.

New clothes, shoes, caps, and belts, soft toys, eat sugar candies, milkshakes, and ice creams.

On the basis of nature, physical markets are classified as : 

1. Neighbourhood Markets. 

2. Weekly Markets. 

3. Shopping Malls.

A physical market is a place where buyers can physically meet the sellers and purchase the desired items from them.

On the basis of geographical location classified as physical markets are 

1. Local Markets. 

2. Regional Markets 

3. National Markets 

4. International Markets

Goods from agricultural lands : 

1) Crops – Food crops & Non-Food Crops 

1. Paddy 

2. Sugarcane 

3. Vegetables 

4. Chillies 

5. Cotton 

6. Pulses etc.

2) Manufactured

1. Bricks 

2. Paper boxes 

3. Kalamkari products 

4. Handicrafts

5. Milk products etc.

Depending upon how they work, broadly markets can be classified into two types.

They are 

1) Physical Markets,

2) E-Markets.

A physical market is a place where buyers can physically meet the sellers and purchase the desired items from them.

Agriculture commodities in India : 

1. Rice 

2. Milk 

3. Wheat 

4. Mangoes 

5. Guavas 

6 Sugarcane

7. Cotton 

8. Bananas 

9. Potatoes 

10. Groundnuts, etc.

Physical Markets : Physical market is a place where buyers can physically meet the sellers and purchase the desired items from them.

Shopping malls, departmental stores, retail stores are some examples for physical markets.

Our entire economy is divided into 3 sectors. 

1) Primary Sector: 

Occupations in Primary Sector :

1. Agriculture 

2. Cattle rearing 

3. Mining 

4. Forestry 

5. Fishing 

6. Poultry, etc.

2) Secondary Sector: 

Occupations in Secondary Sector : 

1. Constructional Activities 

2. Manufacturing Activities

3) Tertiary Sector: Service Sector occupations : Banking, commerce, communications, real estates, doctors, lawyers, teachers, transportation, etc.

1. Goods and services kept available for consumption in our neighbourhood areas. 

2. Farmers, small sale producers find market for their products. 

3. Since they are available from nearby places, the goods may be priced low than international or national markets. 

4. They help to circulate flow of money in their habitation and help to achieve prosperity.

Local Markets: A market where the buyers and sellers are limited to the local area where hey are produced. They usually sell goods of daily use. Eg: Vegetables, fruits etc.

1. Fora : Courts or tribunals that listen to the complaints of the public, and suggest actions to be taken.
2. Unscrupulous : Unethical or immoral
3. Groceries : Food and other goods sold by a grocer or a supermarket.

1. Producer : A person, a company or a country that grows or makes food, goods or materials. 
2. Buyer : A person whose job is to choose goods that will be sold in a large shop.
3. Trader : A person who boys and sells.
4. Wholesaler : A person or company that sells goods in large quantities to other companies or people.
5. Retailer : A person or business that sells goods to the public. 
6. Consumer : A person who buys goods or uses services. 
7. Credit : An arrangement that you make, with a shop, to pay later for. 
8. Occupation : A job or profession. 
9. Firm : A business or company.

National Markets : The market which have scope for trade through out the country. Goods will be kept available for consumption across the country. Ex : Coconut products have market across the country.

International Market : Trading of goods and services among the various countries is known as international market. Ex: Oil from OPEC countries, Electronic goods from Japan, China, Spices from India.