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option a)This is acharacteristic featureof monocot plants. This is a characteristic featureof the dicot plants. Parrallelvenation-A pattern in the veins of a leaf where the secondary veins runparallelto each other off of a central, perpendicular primary vein. The arrangement of veins in a leaf is termed asvenation.

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1)Thelaw of multiple proportions,statesthat when two elements combine to form more than one compound, the mass of one element, which combines with a fixed mass of the other element, will always be ratios of whole numbers

In biology, a commonnameof a taxon or organism (also known as avernacular name, Englishname, colloquialname, trivialname, trivial epithet, countryname, popularname, or farmer'sname) is anamethat is based on the normal language of everyday life; this kind ofnameis often contrasted with the scientificname

vernacular name is a local name given by local people to a perticular organismeg.Mangifera indica is recognised by different name i.e.Aamba ,Aam,Mango etc.

Mostyeasts reproduceasexually by an asymmetric divisionprocess calledbudding. First it produces a small protuberance on the parent cell that grows to a full size and forms a bud. The nucleus of the parent cell splits into a daughter nucleus and migrates into the daughter cell.

Reticulate venation has two sub-types : (i) Pinnate or Unicostate reticulate venation: The lamina has a single principal vein or midrib extending from base to the apex. ... (ii) Palmate or Multicostate reticulate venation : The lamina has more than one equally prominent or principal veins.

In biology, a commonnameof a taxon or organism (also known as avernacular name, Englishname, colloquialname, trivialname, trivial epithet, countryname, popularname, or farmer'sname) is anamethat is based on the normal language of everyday life; this kind ofnameis often contrasted with the scientificname.

binomial nomenclature are used for the seperation of different types of species

the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.

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Binomial nomenclature("two-term naming system"), also calledbinominal nomenclature("two-name naming system") orbinary nomenclature, is a formal system of namingspeciesof living things by giving each a name composed of two parts, both of which useLatin grammatical forms, although they can be based on words from other languages. Such a name is called abinomial name(which may be shortened to just "binomial"), abinomen,binominal nameor ascientific name; more informally it is also called aLatin name. The first part of the name – thegeneric name– identifies thegenusto which the species belongs, while the second part – thespecific nameorspecific epithet– identifies the species within the genus. For example, humans belong to the genusHomoand within this genus to the speciesHomo sapiens.Tyrannosaurus rexis probably the most widely known binomial.Theformalintroduction of this system of naming species is credited toCarl Linnaeus, effectively beginning with his workSpecies Plantarumin 1753.ButGaspard Bauhin, in as early as 1622, had introduced in his bookPinax theatri botanici(English,Illustrated exposition of plants) many names of genera that were later adopted by Linnaeus.

The system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.

Binomial nomenclature("two-term naming system"), also calledbinominal nomenclature("two-name naming system") orbinary nomenclature, is a formal system of namingspeciesof living things by giving each a name composed of two parts, both of which useLatin grammatical forms, although they can be based on words from other languages. Such a name is called abinomial name(which may be shortened to just "binomial"), abinomen,binominal nameor ascientific name; more informally it is also called aLatin name.

The first part of the name – thegeneric name– identifies thegenusto which the species belongs, while the second part – thespecific nameorspecific epithet– identifies the species within the genus. For example, humans belong to the genusHomoand within this genus to the speciesHomo sapiens.Tyrannosaurus rexis probably the most widely known binomial.Theformalintroduction of this system of naming species is credited toCarl Linnaeus, effectively beginning with his workSpecies Plantarumin 1753.ButGaspard Bauhin, in as early as 1622, had introduced in his bookPinax theatri botanici(English,Illustrated exposition of plants) many names of genera that were later adopted by Linnaeus.

The application of binomial nomenclature is now governed by various internationally agreed codes of rules, of which the two most important are theInternational Code of Zoological Nomenclature(ICZN) for animals and theInternational Code of Nomenclature for algae, fungi, and plants(ICNafp). Although the general principles underlying binomial nomenclature are common to these two codes, there are some differences, both in the terminology they use and in their precise rules.

In modern usage, the first letter of the first part of the name, the genus, is always capitalized in writing, while that of the second part is not, even when derived from aproper nounsuch as the name of a person or place. Similarly, both parts are italicized when a binomial name occurs in normal text (or underlined in handwriting). Thus the binomial name of the annual phlox (named after botanistThomas Drummond) is now written asPhlox drummondii.

In scientific works, theauthorityfor a binomial name is usually given, at least when it is first mentioned, and the date of publication may be specified.

1. Binomial nomenclature also called binominal nomenclature or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages.

2. In biology, tissue is a cellular organizational level between cells and a complete organ. A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function.

3. Frog is an example of amphibia.

The system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.

Nomenclature or more precisely the binomial nomenclature is of prime importance. The introduction of the Latin binomial by Linnaeus was seriously a revolutionary step towards assigning names to organisms. Helps in Communication: The most vital advantage of binomial nomenclature is the communicative ability.

why is bionomial nomenclature important

the answer is b 2x=-5 is the correct answer

22134 2214312 is the correct answer

same answer is the correct answer

Their unique features are:-

Their body is dorsoventrally flattened.

They exhibit bilateral symmetry.

Also, they are triploblastic, with three germ layers.

They do not have a body cavity and are acoelomate.

Body is soft and unsegmented.

They are mostly parasitic with a few free-living

They exhibit an organ system grade of organization.The digestive system is incomplete or absent. There is a single opening which leads to a well-developed gastro-vascular cavity. The anus is absent. There is no true stomach structure. In a few species, the digestive system is completely absent.

Respiratory and circulatory systems are absent. Respiration generally occurs through diffusion through the general body surface.

The excretory system has protonephridia with the flame

There is primitive nervous system present.

These animals are hermaphrodites.

Sexual reproduction happens through gametic fusion.

Asexual reproduction also happens in a few species through regeneration and fission.

Fertilization is internal.

The life cycle of these organisms can be complex, especially if they are parasitic, as this may involve one or more host animals.

The cells of living things are made mainly of four elements: carbon, hydrogen, oxygen and nitrogen. They make up 96% of the atoms that are in living things, so they would be considered major chemicals

other elements that only make up a few percent of cells can top the list.

If major also means essential for life, then “trace elements” are very major though they make up just 0.5% of the atoms in an organism

Scorpionshave a surprisingly high number oflegsfor a small body. They have eightlegs. Like spiders, there are four sets of twolegs, onelegin each set resting to the left of the body, and the other on the right side of the body. They are, by this definition, arachnids.

Inert gases have their outermost orbit completely filled. So, Their valency is zero. Therefore they are placed in Zero group.

3. Answer: d) antigensExplanation:Antibodies are produced by specialized white blood cells called B lymphocytes (or B cells). When an antigen binds to the B-cell surface, it stimulates the B cell to divide and mature into a group of identical cells called a clone. The mature B cells, called plasma cells, secrete millions of antibodies into the bloodstream and lymphatic system4. Answer:d) passing the effluent through the settling tanksExplanation:Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface. The settled and floating materials are removed and the remaining liquid may be discharged or subjected to secondary treatment.

B cell activation occurs in the secondary lymphoid organs (SLOs), such as the spleen and lymph nodes. After B cells mature in the bone marrow, they migrate through the blood to SLOs, which receive a constant supply of antigen through circulating lymph.

Effector lymphocytes function to eliminate the antigen, either by releasingantibodies(in the case of B cells), cytotoxic granules (cytotoxic T cells) or by signaling to other cells of the immune system (helper T cells).

D. Antibodies.

बल बराबर = द्रव्यमान*त्वरण= 5*10= 50 NewtonAnswer

Graphite consists of several 2D layers of covalently bonded atoms stacked together. Their configuration in this substance allows electrons to flow freely and thus conduct electricity, which is merely the flow of electrons from one place to another.Diamond on the other hand consists of a 3D lattice structure with each carbon atom bonded to four other carbon atoms in a tetrahedral shape. This structure is extremely strong, but it keeps electrons in place, which is why diamond cannot conduct an electrical current.

Breaking down of glucose involves two processes. In the first step, it is broken into three carbon molecules called pyruvate. The pyruvate is further broken down into energy in following different ways in various organisms.

1)Aerobic respiration :In this case pyruvate is broken down into water and carbon dioxide along with release of energy. It commonly occurs in mitochondria of cells.

2)Anaerobic respiration in yeast :In yeast cells during fermentation pyruvate is converted into ethanol and C02 in the absence of 02.

3)Anaeorbic respiration in muscles: Due to lack of oxygen, eg. during vigorous running or exercise, in human muscles, pyruvate is converted to lactic acid.

Breaking down of glucose involves two processes. In the first step, it is broken into three carbon molecules called pyruvate. The pyruvate is further broken down into energy in following different ways in various organisms.

1)Aerobic respiration :In this case pyruvate is broken down into water and carbon dioxide along with release of energy. It commonly occurs in mitochondria of cells.

2)Anaerobic respiration in yeast :In yeast cells during fermentation pyruvate is converted into ethanol and C02 in the absence of 02.

3)Anaeorbic respiration in muscles: Due to lack of oxygen, eg. during vigorous running or exercise, in human muscles, pyruvate is converted to lactic acid.

A single celled organism

A Single celled organism

aquatic organisms get oxygen in dissolved which makes them difficult to respire while terrestrial organisms inhale oxygen directly from environment

There are two different ways in which glucose is oxidised:1)aerobic repiration(oxygen)breaking down of pyruvate using oxygen takes place in mitochondria.This process breaks up the three-carbon pyruvate molecule to give three molecules of carbon dioxide.this process is done in presence of oxygen.2)anerobic repiration(without oxygen)the breaking of six carbon molecule, into three-carbon molecule called pyruvate.This process takes place in cytoplasm.Further, the pyruvate may be converted into ethanol and carbon dioxide.this process is done in absence of oxygen.

1. Terrestrial organisms take up oxygen from the atmosphere whereas aquatic animals obtain oxygen from water. Air contains more O2 as compared to water. Since the content of O2 in air is high, the terrestrial animals do not have to breathe faster to get more oxygen. Therefore, unlike aquatic animals, terrestrial animals do not need adaptations for gaseous exchange.

2. Breaking down of glucose involves two processes. In the first step, it is broken into three carbon molecules called pyruvate. The pyruvate is further broken down into energy in following different ways in various organisms.i)Aerobic respiration :In this case pyruvate is broken down into water and carbon dioxide along with release of energy. It commonly occurs in mitochondria of cells.ii)Anaerobic respiration in yeast :In yeast cells during fermentation pyruvate is converted into ethanol and C02 in the absence of 02.3)Anaeorbic respiration in muscles: Due to lack of oxygen, eg. during vigorous running or exercise, in human muscles, pyruvate is converted to lactic acid.

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Apersonorgroupofpeoplewho own asharein abusiness

apersonsuch as anemployee,customer, orcitizenwho isinvolvedwith an organization,society, etc. andtherefore hasresponsibilitiestowards it and an interestinitssuccess

the person who who has been chosen for FB are known as stakeholders they may be government officials over nearby villages etc

Aerobic respiration: Glucose is completely oxidised to carbon dioxide and water in the presence of oxygen, with the release of a considerable amount of energy. This type of oxidation occurs in most of the living organisms such as human beings, birds, snakes, frogs, fish, etc.

The first step is breakdown of glucose -a six carbon molecule to pyruvate- a three carbon molecule.This can be done in three cases. The first is aerobic respiration(takes place in presence of oxygen) The second is anaerobic respiration(takes place in absence of oxygen) and the next pathway takes place in lack of oxygen.

There are three principal shapes of epithelial cell: squamous, columnar, and cuboidal. These can be arranged in a single layer of cells as simple epithelium, either squamous, columnar, or cuboidal, or in layers of two or more cells deep as stratified (layered), either squamous, columnar or cuboidal. In some tissues a layer of columnar cells may appear to be stratified due to the placement of the nuclei, this sort of tissue is called pseudostratified.

Dryopteris differs from Funaria in havingan independent sporophyte

We all associate the process of digestion with stomach. But what if I told you,the digestive process starts from the mouth itself? There are various other organs involved in the digestion process in human body. Let us learn more about this process now.Hope this helps you..

Introductionto theDigestive System. Thedigestive systemincludes thedigestive tractand its accessoryorgans, which process food into molecules that can be absorbed and utilized by the cells of the body. ... The salivary glands, liver, gallbladder, and pancreas are major accessoryorgansthat have a role indigestion.

ThepHof saliva is ranges from 6.5 to 7.5. After swallowing, the food reaches the stomach where upper and lower parts of stomach have differentpHvalues

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.

A marsh is a wetland that is dominated by herbaceous rather than woody plant species. Marshes can often be found at the edges of lakes and streams, where they form a transition between the aquatic and terrestrial ecosystems.

A marsh is a wetland that is dominated by herbaceous rather than woody plant species. Marshes can often be found at the edges of lakes and streams, where they form a transition between the aquatic and terrestrial ecosystems

A sudden increase in the nitrogen and other soil compounds in the pond will lead to an increase in the population of algae and phytoplanktons (bloom of algae or bloom of phytoplanktons) as they nitrify very quickly and multiply. This will, eventually, alter the population of other organisms present in the pond.

The sliding filament theory describes the process by which muscles contract.

Muscle fibres are made up of myofibrils. Myofibrils comprise of sarcomeres, containing actin and myosin.

1.) A nerve impulse arrives at the neuromuscular junction, releasing acetylcholine.Depolarisation continues down the t-tubules, causing Ca2+ release.

2.) Ca2+ binds to troponin, altering the shape of troponin, causing tropomyosin to move off actin binding sites. Myosin heads are now able to bind to the exposed actin binding sites, forming a cross-bridge.

3.) Hydrolysis of ATP releases energy, allowing myosin to 'cock' its head,pulling actin to create an overlap. This is muscular contraction (shortening).

4.) ATP binds to myosin heads, causing the cross-bridge to be broken.Once the ATP is hydrolysed it can bind to another actin binding site, further down actin. Allowing contraction to continue.

5.) When ATP and Ca2+ are depleted in the muscle contraction terminates. Actin binding sites are covered again with tropomyosin

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Assuming yeast cell divide in x parts in 90 min .so for 1 min it will be divide in x/90 partstherefore 72 hours that is 72×60 minit will divide in 72× 60× x/90= 48x.so u can replace x according to question

A solar eclipse requires a precise alignment of the Earth, Moon, and Sun. Since the Moon’s orbit is inclined with respect to the Earth’s orbit, this alignment doesn’t occur every month. Not only must the Earth, Moon, and Sun align when seen from above, they must also align when seen from the “side.”

The Moon’s shadow on the Earth is relatively small.

This means that path of the eclipse is fairly narrow. The path of totality is even smaller than this shadow suggests. Because of this, the chance of an eclipse being visible from any particular location is quite small. This is why many people will travel to see a solar eclipse.

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Helpful bacteria: E. Coli are found in the intestines ofhumansand aid in digestion. Streptomyces is used in making antibiotics. Rhizobium arehelpful bacteriafound in the soil.

The forebrain consists of the cerebrum,thalamus, and hypothalamus