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Yogita Ingle 37 minutes ago
King Victor Emmanuel II was proclaimed as the king of united Italy. The complete unification of Italy was achieved in 1871.
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Yogita Ingle 2 hours ago
6x²-7x-3
=6x²+2x-9x-3
=2x(3x+1)-3(3x+1)
=(2x-3)(3x+1)
⇒2x-3=0 or ⇒3x+1=0
⇒x=3/2 or ⇒ x= - 1/3
α=3/2 ,β= - 1/3
⇒α+β= -b/a
⇒3/2+(-1/3)= - (-3)/6
⇒3/2-1/3=1/2
⇒7/6 =1/2
⇒αβ=c/a
⇒ 3/2(-1/3)= -7/6
⇒-1/2= -7/6
⇒1/2=7/6
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The process by which green plants prepare food is called photosynthesis. During this process; the solar energy is converted into chemical energy and carbohydrates are formed. Green leaves are the main sites of photosynthesis. The green portion of the plant contains a pigment chloroplast; which contains chlorophyll.
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“Centre-State relations” of Indian Federalism constitute the core of federalism and they are regulated by the provisions of the Constitution.
(i) The division of powers between the Union and the States, as given in the Indian Constitution has a strong bias in favour of the Centre. Various kinds of restrictions are imposed upon the states.
(ii) Administrative relations. The Indian Constitution is based on the principle that the executive power is co-extensive with the Legislative power i.e., Union and state executives can deal with all matters on which legislature legislates.
(iii) In the administrative affairs also the centre acquires control over states through All India Services, Grant-in-Aid etc.
Hence, restructuring of the centre-state relations is one more way in which federalism has been strengthened in practice.
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The metallic body of electric appliances is connected to the earth wire so that any leakage of electric current is transferred to the ground. This prevents severe electric shock to the user. That is why earthing of the electrical appliances is necessary.
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| Autotrophs | Heterotrophs |
| Autotrophs are organisms that prepare their own food. | Heterotrophs depend upon other organisms for nutrition. |
| These are known as the producers and include green plants, algae and a few photosynthetic bacteria. | These are the consumers and include cows, buffaloes, tigers, horses, etc. |
| These can be classified as photoautotrophs and chemoautotrophs. | These can be classified as photoheterotrophs and chemoheterotrophs. |
| The chloroplast helps in preparing food. | They do not contain chloroplast so cannot prepare food. |
| They obtain energy from inorganic sources by converting light energy into chemical energy. | They obtain energy directly or indirectly from other organisms. |
| Autotrophs can store light energy and chemical energy. | Heterotrophs cannot store energy. |
| They are placed at the primary level in the food chain. | These are placed in secondary or tertiary level in the food chain. |
| These can move from one place to another in search of food and shelter. | They cannot move from their place. |
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Digestive enzymes such as amylase, lipase, pepsin, trypsin, etc. helps to break the complex food particles into simple ones so that these simple particles can be easily absorbed by the blood and thus transported to all the cells of the body.
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Pressure groups are the organisations that attempt to influence government policies. These organisations are formed when people with common occupation, interest, aspirations and opinions come together in order to achieve a common objective.
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Yogita Ingle 3 hours ago
It is said that genes control the characteristic or trait but the question arises how ? The genes control the characteristic by making a specific protein. Genes are the segment of DNA that contains information to form RNA which ultimately forms protein. Each gene contains two alleles and this instructs the cell to make protein for expression of traits.
If the plant has gene for green seeds then it will make protein which will give green colour to seeds.
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