friends can u give me 5 disadvantages of microorganisms?
please help me.........
5 disadvantages of microorganisms are
1. many pathogenic microbes cause disease.
2. spoils our food.
3. causes food poisining.
4. some microbes convert soil nitrogen into free nitrogen making soil infertile.
5. they can be used as biological weapons.
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Wildlife Sanctuary
1. It is natural area which is reserve by a governmental or private agency for the protection of particular species.
2. Area is designated for the protection of wild animals.
3. Only animals are conserved, Could be private property also, outside activities allowed
4. It came under the category called “Protected Areas”. The Protected Areas are declared under Wildlife (Protection) Act, 1972.
5. International Union for Conservation of Nature (IUCN) has defined its Category IV type of protected areas
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National Park
1. Reserve area of land, owned by the government.
2. Area is protected from human exploitation, industrialization and pollution.
3. No cutting, Grazing allowed, Outside Species Allowed
4. It came under the category called “Protected Areas”. The Protected Areas are declared under Wildlife (Protection) Act, 1972.
5. Conservation of 'wild nature' for posterity and as a symbol of national pride.
6. International Union for Conservation of Nature (IUCN), and its World Commission on Protected Areas, has defined its Category II type of protected areas.
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- Some disease causing microorganisms are pathogens.
- Some bacterial microorganisms causes tuberculosis , typhoid , cholera etc.
- In cattle anthrax disease is caused virus.
- Bacteria and fungi spoil food by producing toxic substances.
- Plants diseases like citrus canker , rust of wheat , yellow vein mosaic of bhindi (Okra).
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1. They are responsible for our tooth decay.
2. Responsible for rotting of food.
3. They spread diseases.
4. Are sometimes responsible for whooping of plants.
5. They are also responsible for damaging other things like leather, clothes etc.
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Humans eg: cholera (vibrio cholera),covid -19(novel Corona virus)
Plants eg: Citrus canker( caused by bacteria speards through air),Rust of wheat( caused by fungi speards through air/seeds),Yellow vein mosaic ( caused by virus speards through insects)
Animals eg: Anthrax ( bacteria speards by an animal or insects bite or sting,by airborne respiratory droplets coughs or sneezes,by touching contaminated surface blanket,or doorknob),Foot and mouth disese( virus speards by skin to skin contact handshakes or hugs,airborne cough or sneeze,saliva shared drinks etc)
Some microbes spoil food by producing toxic substances causing serious illness or even death they even spoil clothing and leather eg:bacteria, molds and yeast
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Democracy
Civics
A. Answer the following question.( short answer type)
1. Give two reasons why democracy is so popular?
Ans. The reasons of being the democracy so popular are:-
? the true essence of democracy is the rule of the people or there representatives .
? In a democracy, people have the power to elect their leaders.
? Thus, the participate in the process of governance directly through their elected representatives
2. Differentiate between a democratic and monarchial form of government.
Ans. Democratic form of government is a government where people have power to elect their representative and the electric candidate words for the Welfare of the people.
Monarchial form of government is a system where the rulers or Monarch has the power to do anything he/ she want to do and also the post of Monarch are hereditary, they do not follow any rule.
3. What were the three events that paved the way of modern democracy?
Ans. The three went that paved the way of modern democracy are:-
? introduction of Magna Carta in Britain for limiting the powers of king. It gave the power from the monarch to the common people.
? North America declared themselves Independent from Britain in 1776 and adopted democratic constitution in 1787.
? In 1789, taking inspiration from the British colonies there was a revolution in France which gave the power from Kings and novels to common people.
4. Why do we need a constitution?
Ans. Constitution is above everyone in a country. The constitution gives certain rights to the citizens which ensure that the government cannot misuse its power.
5. What do you understand by 'Rule of Law' ?
Ans. Rule of law is the base of the idea of equality. In a democracy, irrespective of whichever party comes in administration or whoever heads the country, rules have to be in accordance of constitution.
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An antibody is a Y-shaped structure comprising four polypeptides i.e. two heavy chains and two light chains. The structure is such so as to allow the antibodies to perform their dual functions of?antigen binding and mediation of biological activity.?j
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