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Whencarbon dioxideconcentrations drop, Earth cools, some water vapor falls out of theatmosphere, and the greenhouse warming caused by water vapor drops. ... At the same time global average temperatures are rising as a result of heat trapped by the additional CO2andincreasedwater vaporconcentration

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green house effect ,global warming

ozone layer has holes in her layer

b

option a)Phytoplanktons

answer (a) phytoplanktons

option a phytoplanktons

TheBattle of Waterloo. This decisive battle was fought on Sunday, 18 June 1815. The English commander, the duke of Wellington, had taken a position on a ridge near the village ofWaterloo, south of Brussels.

One of the outcomes of overflowing garbage is airpollution,whichcausesvariousrespiratorydiseases and other adverse health effects as contaminants are absorbed from lungs into other parts of the body. The toxic substances in air contaminated by waste include carbon dioxide, nitrous oxide and methane.Waste management are the activities and actions required to manage waste from its inception to its final disposal. This includes the collection, transport, treatment and disposal of waste, together with monitoring and regulation of the waste management process.

To prevent the incidence of infectious diseases in school following precautions can be taken: (i) Avoid contact of students suffering from air borne diseases like common cold, cough, eye, flu, etc. (ii) By checking the availability of clean drinking water in school.(iii) Starting childhood immunisation programme in schools.

Chlamydia is an infection in men and women caused by an organism called Chlamydia trachomatis. Gonorrhea, also known as "clap" and "the drip," is caused by Neisseria gonorrhoeae. Syphilis can affect men and women and is caused by the bacteria Treponema pallidum.

Local symptoms are physiological or structural changes within a limited area of host tissue, leaf spot, cankers and galls. Systemic symptoms are those involving the reaction of a greater part or all of the plant,such as wilting ,yellowing and dwarfing

The variety of symptoms, the internal and external expressions of disease, that result from any disease form the symptom complex, which, together with the accompanying signs, makes up the syndrome of the disease.

Localsymptomsare physiological or structural changes within a limited area of host tissue, such as leaf spots, galls, and cankers. Systemicsymptomsare those involving the reaction of a greater part or all of theplant, such as wilting, yellowing, and dwarfing.

some symptoms are:spots on leafs, curling of leaf, drying of plant roots, infection of roots etc

Causes : Diabetes is either caused due to the insufficient production of insulin by the pancreas or it may occur if the cells of the body are not effectively responding to the insulin produced.

Symptoms : Signs and Symptoms vary from person to person or even there may be no signs sometimes. First, let us come up with common symptoms of diabetes.

Frequent Urination.

Feeling more stressed or tired than usual.

Being more Thirstier.

Blurred Vision.

Loss of Weight.

Treatment :

Frequently testing your blood sugar levels.

By planning your meals accordingly.

Performing exercises regularly.

Injecting insulin and other medications when required.

Hence by proper treatment and care, this disease can be considerably reduced to merely good extents.

1.Anthrax - caused by swallowing anthrax pores;Regular annual vaccination of animals in endemic areas will prevent the disease from occurring.

2. Fowl pox -Fowl pox virus;can be prevented by use of a regular vaccination program.

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MEMORY LOSS THAT DISRUPTS DAILY LIFE

CHALLENGES IN PLANNING OR SOLVING PROBLEMS

DIFFICULTY COMPLETING FAMILIAR TASKS AT HOME, AT WORK OR AT LEISURE

CONFUSION WITH TIME OR PLACE

TROUBLE UNDERSTANDING VISUAL IMAGES AND SPATIAL RELATIONSHIPS

Pain areas:in the abdomen

Pain circumstances:can occur while swallowing

Cough:can be dry

Whole body:fatigue, fever, loss of appetite, malaise, night sweats, or sweating

Gastrointestinal:nausea, persistent diarrhoea, vomiting, or watery diarrhoea

Mouth:ulcers or white tongue

Groin:sores or swelling

Throat:difficulty swallowing or soreness

Also common:opportunistic infection, headache, oral thrush, pneumonia, red blotches, severe unintentional weight loss, skin rash,

Evening:

The epidermis is the outer layer of the skin. It is a mosaic of cells glued together and its thickness depends on the location on the body. On the palms and soles the epidermis is thick, flexible and resists mechanical injury. On the eyelids it is very thin and allows maximum movement. The epidermis prevents loss of water and body fluids, resists mechanical and chemical injury and protects against bacteria, viruses and parasite infections. The pigment in the epidermis plays an important role in protecting the skin from ultraviolet radiation.

The hair follicles, sweat glands, sebaceous (oil) glands and apocrine glands develop from the epidermal cells, but their deeper parts extend into the dermis. The glands open onto the surface of the skin via small ducts.

Hair grows from the hair follicle, which is found in all skin except the palms and soles.

Nails are specialised plates of hard keratin that develop from the epidermis overlying the small bones at the ends of the fingers and toes.

There are 3 main groups of cells in the epidermis:

Keratinocytes (skin cells)

Melanocytes (pigment cells)

Langerhans cells (immune cells).

The main cell in the epidermis is the keratinocyte, which develops from the bottom or basal layer and then migrates upwards over a period of about four weeks to the outer surface (stratum corneum) where it is shed.

Langerhans cells are specialised immune cells that are an important part of the body’s immune response to foreign materials and infections.

The melanocytes produce pigment. All humans have the same number of melanocytes. The difference in skin colour occurs because in darker skin melanocytes produce more pigment. The melanin pigment protects the cells of the epidermis and the tissues in the dermis from sun damage. Lighter skinned people are more susceptible to developing sun damaged skin because their melanocytes produce less melanin (skin pigment).

Dermo-epidermal junction

This is a complex region where the dermis and epidermis are attached to each other via specialised cells and molecules. It contains thebasement membrane.

Dermis

The dermis lies beneath the epidermis and is 20 to 30 times thicker than the epidermis. It is composed of a dense network of specialised proteins (collagen and elastin) organised into fibres of differing sizes and properties. A complex gel of different proteins surrounds these fibres. All together this is known as theextracellular matrix.

Within the extracellular matrix are blood and lymphatic vessels, nerves, the bottom part of the hair follicles and sweat glands.

Subcutis (subcutaneous layer)

This is a specialised area under the dermis, which contains a network of collagen fibres and fat cells (adipocytes). It protects the body from external trauma and insulates from cold. It acts as a main storage site for fat and therefore energy. There are many blood and lymphatic vessels and nerves passing through the subcutis.

The thickness of the subcutaneous layer varies according to the location on the body and from person to person.

The X is the nucleus

The Green Revolution, or Third Agricultural Revolution, is a set of research and technology transfer initiatives occurring between 1950 and the late 1960s, that increased agricultural production worldwide, particularly in the developing world, beginning most markedly in the late 1960s. The initiatives resulted in the adoption of new technologies, including high-yielding varieties (HYVs) of cereals, especially dwarf wheats and rices, in association with chemical fertilizers and agro-chemicals, and with controlled water-supply (usually involving irrigation) and new methods of cultivation, including mechanization. All of these together were seen as a 'package of practices' to supersede 'traditional' technology and to be adopted as a whole.

In short, Green revolution is defined as an increase in crop production because of the use of new varieties of seeds, the use of pesticides and new agricultural techniques.

The Green Revolution, or Third Agricultural Revolution, refers to a set of research and the development of technology transfer initiatives occurring between 1950 and the late 1960s, that increased agricultural production worldwide, particularly in the developing world, beginning most markedly in the late 1960s.

D. milk white revolution in india is related to milk.

white revolution is related to the production of milk in India.

White Revolution was one of the biggest dairy development movements, by the Indian Government, in India in 1970. It was a step taken by the Indian Government to develop and help the dairy industry sustain itself economically by developing a co-operative, while providing employment to the poor farmers.Operation Flood was a rural development programme started by India's National Dairy Development Board (NDDB) in 1970. One of the largest of its kind, the programme objective was to create a nationwide milk grid.

Ans :- Proteins are a large class of biological molecules consisting of chains of amino acids called polypeptides. A single polypeptide can make a protein, although many proteins consists of multiple polypeptide subunits.

They are coded for by our genes and form the basis of living tissues. They also play a central role in biological processes. For example, proteinscatalysereactions in our bodies, transport molecules such as oxygen, keep us healthy as part of the immune system and transmit messages from cell to cell.

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Ribosomes are made up of protein and DNA

RIBOSOMES CONTAINS PROTEIN AND GENES

Ribosomes are made up of protein and DNA

Ribosomes is made up protein and DNA.

Ribosomes are made up of Protein and DNA.

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ribosomes are made of protein and dna

Eukaryotic cells contain manymembrane-boundorganelles. Anorganelleis an organized and specialized structure within a livingcell. Theorganellesinclude the nucleus, ribosomes, endoplasmic reticulum, Golgi apparatus, vacuoles, lysosomes, mitochondria, and, in plants, chloroplasts.

which option

70S=50S+30S80S=60S+40S

Life cycle ofPlasmodium vivaxis digenetic i.e. they complete their life cycle in two hosts:1. Primary host or definitive host: Female Anopheles mosquito is the primary host. The organism which contains sexual phase of the parasite and is regarded as definitive host.2. Secondary host or intermediate host: human is the secondary host. Human contains asexual phase of the parasite and develops symptoms of disease due to the presence of parasite and is termed as secondary host.

Life cycle ofPlasmodium vivaxis divided into:

Asexual life cycle or schizogony in man

Sexual life cycle or sporogony in female Anopheles mosquito

Hybridization is the process of mixing different species or varieties genetically to produce hybrids with new characteristics.

Types of hybridization:

1) Intervarietal hybridization

In this two parents from the same species are crossed.

2) Distant hybridization

This includes intergeneric or interspecific that is parents belonging to different genus or species respectively.

Advantage: Hybridization has resulted in more varieties of the same species with more desirable characteristics and better local adaptation.

Hybrid plants are usually more vigorous and faster growing than other plants. This can be great for those working in agriculture as they can reap greater crops and make more money.

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Tropomyosinis a protein involved inskeletal musclecontraction and that wraps aroundactinand preventsmyosinfrom grabbing it. ... When the nervous system tells themusclecell to contract, calcium is released. The calcium activates the troponin complex, which movestropomyosin, and themusclecell can contract.Mar 3, 2016

Tropomyosinis a protein involved inskeletal musclecontraction and that wraps aroundactinand preventsmyosinfrom grabbing it. ... When the nervous system tells themusclecell to contract, calcium is released. The calcium activates the troponin complex, which movestropomyosin, and themusclecell can contract.

Troponin is attached to theproteintropomyosin and lies within the groove between actin filaments in muscle tissue. In a relaxed muscle, tropomyosin blocks the attachment site for the myosin crossbridge, thus preventing contraction.

Nephronis the filtration unit of kidney. It consists of a tubule which is connected with collecting duct at one end and a cup – shaped structure at the other end.

This cup-shaped structure is called‘Bowman’s capsule’. Every Bowman’s capsule contains a cluster of capillaries, called ‘Glomerulus’, within the cup – shaped structure. The blood enters into Glomerulus through afferent arteriole of renal artery and leaves it through efferent arteriole.

Functioning of Nephron

1. Filtration: Filtration of blood takes place in Bowman’s capsule from the capillaries ofglomerulus. The filtrate passes into the tubular part of the nephron. This filtrate contains glucose, amino acids, urea, uric acid, salts and a major amount of water.

2. Re-absorption: As the filtrate flows along the tubule useful substances such as glucose, amino acids, salts and water are selectively re-absorbed into the blood by capillaries surrounding the nephron tubule.

The amount of water re-absorbed depends on the need of the body and also on the amount of wastes to be excreted.

3. Urine: The filtrate which remains after re-absorption is called urine. Urine contains dissolved nitrogenous waste, i.e. urea and uric acid, excess salts and water. Urine is collected from nephrons by the collecting duct to carry it to the ureter.

It is called METABOLISM

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i) 66.66%

(2/3)*100 = 66.66%

ii) 4%

= 1/25*100 =4 is the and of 2 question 😀

ì

2/3*100=200/3=66,6 is the answer ofgues

i.2/3*100 = 66.66%ii.1/25*100 = 4%

66.664 now if you division any of these with 100 then the answer

The positive terminal of a cell is the long line and the negative terminal is the short line.

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Malarial is caused by female anopheles mosquito

A. malaria

B. T.B

are the odd terms

it is possible to predict the occurrence of storm and rain but not of earthquake.

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

Some infectious diseases can be passed from person to person. Some are transmitted by insects or other animals. And you may get others by consuming contaminated food or water or being exposed to organisms in the environment.

Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. Zoonotic diseases are infectious diseases of animals that can cause disease when transmitted to humans

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

Some infectious diseases can be passed from person to person. Some are transmitted by insects or other animals. And you may get others by consuming contaminated food or water or being exposed to organisms in the environment.

Infectionis the invasion of an organism's bodytissuesbydisease-causing agents, their multiplication, and the reaction ofhosttissues to the infectious agents and thetoxinsthey produce.[1][2]Infectious disease, also known astransmissible diseaseorcommunicable disease, isillnessresulting from an infection.

A disease that is caused by a microorganism, such as a bacterium, virus, or protozoan, that is not normally found in the body and is capable of causing infection. Some, but not all, infectious diseases are contagious, meaning they can spread from person to person. Other infectious diseases can spread from animals or insects to humans, but not from person to person. HIV is both infectious and contagious.

organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful. But under certain conditions, some organisms may causedisease. Someinfectious diseasescan be passed from person to person.

AIDS since it is a viral diseaseHepatitis others are caused by mosquito

The digestion process is a series of reactions of food with the digestive hormones and juices. This starts right from the oral cavity.Mechanism of Digestion

The digestion process can be divided into different stages, such as digestion in the:

Oral cavity

Stomach

Small intestine

Large intestine

Digestion includes a complex combination of mechanical and chemical processes. Some of the activities in the process include ingestion and propulsion of food, mechanical or physical digestion, chemical digestion, absorption, and defecation.

The digestion of chapati begins in the mouth where salivary amylase acts on the chapati to digest the starch into alpha-dextrin. The alpha-dextrin is then digested to maltose and maltotriose by alpha-dextrinase (a pancreatic enzyme).The digestion of the chapati continues in the stomach and the small intestine, where the enzymes such as maltase, isomaltase, sucrase and lactase digest the dissacharides into its constituent monosaccharide. The monosaccharides from the chapati are then absorbed from the illeum into the blood stream.

How is fat digested?

The process of fat digestion involves a series of steps that begin the moment food enters your mouth. Here’s a look at the process from beginning to end:

1. Mouth

Thedigestion processbegins when you start chewing your food. Your teeth break the food into smaller pieces and your saliva moistens the food so that it’s easier for it to move through your esophagus and into your stomach. Your saliva also contains enzymes that begin breaking down the fat in your food.

2. Esophagus

When you swallow, a series of muscle contractions called peristalsis moves the food through youresophagusand into your stomach.

3. Stomach

Yourstomachlining produces acids and enzymes that break your food down further so that the foods can pass to the small intestine.

4. Small intestine

The majority of fat digestion happens once it reaches thesmall intestine. This is also where the majority of nutrients are absorbed.

Your pancreas produces enzymes that break down fats,carbohydrates, andproteins. Your liver produces bile that helps you digest fats and certain vitamins. This bile is stored by the pancreas. These digestive juices are delivered to your small intestine through ducts where it all works together to complete the fat breakdown.

During this process, fat and cholesterol are packaged into tiny particles called chylomicrons

The large globules offatsare broken down by bile salts into smaller globules.Thisprocessis called emulsification. ... Lipase converts thesefatsinto fatty acids and glycerol.Fat digestiontakes place in small intestine. Thisdigested fatis absorbed into the body through the villi by diffusion.

when food releases mouth, it enters food pipe through which it travels in the form of bolus structure..(like a shape of ball or simply spherical sahpe) and this movement is called peristalsis movement

in mouth the food is broken down into smaller parts by teeth and it is softened by salivary amylase an enzyme secreted by saliva....