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45601.

(D) Am 118. Which one of the following is a pest ofpaddy?(A) Dacus(B) Calandra(C) Dysdercus(D) LeptocorisaR\2020​

Answer» TION:(C) is the ANSWER i THINK
45602.

What is significance of emulsification of fats​

Answer»

tion:Bile contains bile PIGMENTS and bile salts. Bile salts HELP in the BREAKDOWN of oil droplets into SMALL GLOBULES forming a milky emulsion. This process is called emulsification. This process facilitates further digestion of fats.

45603.

What is the nameof here-ditary material that binds the vacuole​

Answer»

tion:The vacuole is surrounded by a MEMBRANE called TONOPLAST, which encloses FLUID containing inorganic materials LIKE WATER and organic materials like nutrients and even enzymes. These are formed by the fusion of various vesicles, so vacuoles are very similar to vesicles in structure.

45604.

Q4. Match the following 5 1. Sandy soil Wool yielding animal2. Burning of paper leaf3. Yak large particles4. Amarbel chemical change5. Chlorophyll parasite​

Answer»

Sandy SOIL - LARGE particlesBurning of PAPER - chemical changeYak - WOOL yielding animalAmarbel - ParasiteChlorophyll - LEAF

45605.

Identify the following tissues: i) Tissue that connects muscle to bone in humans ii) Connective tissue with a fluid matrix iii) Tissue that transports food in plants iv) Tissue that provides mechanical support to plants ​

Answer»

Tissue that CONNECTS muscle to bone is tendon Connective tissue with a fluid MATRIX blood Tissue that TRANSPORT food in plants phloem Tissue that PROVIDES mechanical support to plant collenchyma

45606.

6 Identify the correct statement PageA The size of the cell is big in bigorganisms when compared withsmall organisms.h Housefly is the example forunicelluar organism.Cu In Amoeba each call cell performsthe specific function.multicellular erganisms.Sdy Banyan tree is the example for​

Answer»

tion:Banyan TREE is EXAMPLE for MULTI cellular organims

45607.

Pollination and seed formation are very crucial for the fruit formation. justify the statement? ​

Answer»

Heya!!!Here's what you are looking for :)Explanation:POLLINATION and seed formation are very crucial because of the following points.Pollination is a very IMPORTANT part of the life cycle of a flowering plant.The flowers must be pollinated in order to bring about the process of fertilization.Pollination BRINGS male and female GAMETES of a flower together during fertilization.As a result of fertilization, ovary develops into fruit and ovules into seeds which is very necessary.Seeds on germination give rise to a new plant that further GROWS and repeats the same process. It is very helpful for maintaining ecological balance.Thus pollination and seed formation are required to create offsprings for the next generation.#Hope it helps u a lot :)#Stay Safe :D

45608.

Observe the following pictures identify the organs and find out the epithelium that lines them and write differences in the given table ​

Answer»

tion:OBSERVE the following pictures. Identify the organs and find out the EPITHELIUM that lines them and write the DIFFERENCES in the given table.

45609.

Bath sponge ( spongia ) is a member of a) annelida b) porifera c) mollusca d) arthropoda ​

Answer» PORIFERA...............................
45610.

Reverse isolation would be appropriate for a- a patient with tuberculosisb- a patient who had a minor injuries​

Answer»

a PERSON with tuberculosisExplanation:COZ it is a COMMUNICABLE DISEASE

45611.

A prokaryotic cell does not have a well defined nuclear region. Mention TWO ways by which a photosynthesizing prokaryotic cell differs from a cell of your body. * Presence of chloroplastAbsence of membrane bound cell organellesPresence of more than one chromosomeHaving large size​

Answer»

tionplease MARK me as BRAINLIEST PLEASE

45612.

व्हाट आर द ट्रांसक्रिप्शनल प्रोडक्ट ऑफ आर एन ए पॉलीमर एस हार्ड​

Answer»

HEY GUYS MARK ME BRAINLIEST.Explanation:The product of transcription is RNA, which can be ENCOUNTERED in the form mRNA, tRNA or rRNA while the product of TRANSLATION is a polypeptide amino acid CHAIN, which forms a protein. Transcription occurs in the nucleus in eukaryotic organisms, while translation occurs in the cytoplasm and endoplasmic reticulum.I HOPE IT'S HELP YOU .

45613.

12. Which of the following is a social in- sect.(A) Termite(B) Bed bug(C) Silk worm(D) Mantis​

Answer» TERMITE is the ANSWER.....
45614.

Conservation biologists often say that their discipline is less about Biology than it is about economics and human decision-making. What do you think they mean? ​

Answer»

What is Conservation Biology?Conservation biology, said to be a "mission-oriented crisis discipline" (Soulé 1986), is a multidisciplinary science that has developed to address the loss of biological diversity. Conservation biology has two central goals: 1. to evaluate human IMPACTS on biological diversity and 2. to develop practical approaches to prevent the extinction of species (Soulé 1986, Wilson 1992). The concept of conservation biology was introduced by Dasmann (1968) and Ehrenfeld (1970). Soulé & Wilcox's (1980) contribution, Conservation Biology: An Evolutionary Ecological Perspective, served as an impetus for the development of the discipline. Over the next six years, many scientists began to refer to themselves as conservation biologists. Conservation Biology: The Science of Scarcity and Diversity was published, a Society for Conservation Biology formed, and a journal was established (Soulé 1986).Several factors contributed to the development of the field. Scientists began to realize that virtually all natural systems have been damaged by what Diamond (1986) referred to as the "Evil Quartet": habitat loss and fragmentation, overharvesting, introduced predators and competitors, and the indirect effects of these threats on ecological interactions. None of the traditional applied disciplines, such as wildlife management, agriculture, forestry and fisheries, were comprehensive enough by themselves to address critical threats to biological diversity (Primrack 1993). Theories and field studies in community ecology, island biogeography, and population ecology were subjects of major investigation and development in the 1960s and 1970s, and while these disciplines have direct relevance to conservation, they traditionally emphasized the study of species in their natural environments, in the absence of human activity. The growing separation of "applied" and "basic" disciplines prohibited the exchange of new ideas and information between various academic assemblages and to management circles (Soulé 1980).Conservation biology as a discipline AIMS to provide answers to specific questions that can be applied to management decisions. The main goal is to establish workable methods for preserving species and their biological communities. Specific methods have been developed for determining the best strategies for PROTECTING threatened species, designing nature reserves, initiating breeding programs to maintain genetic variability in small populations, and reconciling conservation concerns with the needs of local people (Primrack 1993). The interface between theory and practice in conservation biology, especially from the point of view of resource managers, has been somewhat neglected (Soulé 1986). Because we do not UNDERSTAND community and ecosystem structure and function well enough to make reliable predictions, uncertainty has inhibited scientists from providing concrete answers to managers. The availability of statistical and computational tools has been integral in the development of analytical methods critical to addressing the issue of uncertainty in conservation biology. Statistical and Computational Tools Used in Conservation BiologyPopulation Viability Analysis (PVA)PVA is a process used to evaluate the likelihood that a population will persist for some particular time in a particular environmentalMinimum Viable Population: What's the Magic Number?In the 1970s, empirical studies and ecological and genetic theory converged on the idea that a species becomes exceptionally vulnerable to extinction when it includes only a few small populations (MacArthur & Wilson 1967, Richter-Dyn & Goel 1972, Leigh 1975). The observation that once a population was reduced below a certain threshold, it began to dwindle toward extinction led to the concept of minimum viable population size (MVP), the smallest number of individuals necessary to prevent a population from going extinct. The concept of MVP officially emerged in response to an injunction from the United States Congress to the US Forest Service to maintain "viable populations" of all native vertebrate species in National Forests (National Forest Management Act of 1976, 16 USC 1600-1614; Gilpin & Soulé 1986). The concept encompasses theories that had been developed and tested to varying degrees in the fields of population genetics and demography.MVP remains a tenuous concept among conservation biologists. In light of the complex and dynamic nature of single species population dynamics, conservation biologists have frowned upon the "magic number" concept. They argue that the job of conservation biologists should be to recommend or provide more than just the minimum number necessary for a species' persistence (Soulé 1987). Yet the term has not been abandoned and actually remains a central theme in conservation biology.

45615.

Economic importance of mosses

Answer»

I HOPE this is your answer.Explanation:MARK me BRAIN LIST...

45616.

Identify the following tissues: i) Tissue that connects muscle to bone in humans ii) Connective tissue with a fluid matrix iii) Tissue that transports food in plants iv) Tissue that provides mechanical support to plants​

Answer»

ndon is a fibrous connective tissue which attaches muscle to bone. Tendons MAY also ATTACH muscles to structures such as the eyeball.2) Blood Tissue: Blood is a connective tissue that has a fluid matrix, CALLED plasma, and no fibers. Erythrocytes (red blood cells), the predominant3) Plants have tissues to transport water, nutrients and MINERALS. Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant. cell type, are involved in the transport of oxygen and carbon dioxide.4) Collenchyma. Collenchyma cells have thick walls that are especially thick at their corners. These cells provide mechanical support for the plant.

45617.

Schematic represention of spertamogensis ​

Answer»

e here is your ansSpermatogenesis is the process of the PRODUCTION of sperms from the immature germ cells in males. It takes place in seminiferous tubules present INSIDE the TESTES. ... These spermatids are transformed into spermatozoa (sperm) by the process CALLED spermiogenesis.pls mark as brainliest ✔

45618.

Why does blood called connective tissue​

Answer»

Blood is considered a CONNECTIVE tissue because it has a matrix. The living cell types are red blood cells, also called erythrocytes, and white blood cells, also called LEUKOCYTES. ... Erythrocytes (red blood cells), the PREDOMINANT cell type, are involved in the transport of oxygen and CARBON dioxideExplanation:(:

45619.

What is the specules ​

Answer» RELATING to or having the PROPERTIES of a mirrorExplanation:PLEASE MARK as BRAINLIST
45620.

Paramecium is a member of phylum a) annelida b) cridaria c) porifera d) protozon​

Answer»

It is a single-celled eukaryote belonging to kingdom Protista and is a well-known genus of CILIATE protozoa. As well, it belongs to the phylum Ciliophora. Its whole BODY is covered with SMALL hair-like FILAMENTS called the cilia which helps in LOCOMOTION.

45621.

'शिक्षा अधिकारी का दफ्तर के आधार पर दृश्य लेखन करें।​

Answer»

के परदे पर दिखाए जाने के लिए लिखी ... पटकथा लेखन का प्रारूप ... शिक्षा अधिकारी का दफ्तर (बाहरी कक्ष)/दिन/ ...

45622.

Guys answer this question pleasecan we eat toffee during fast of Navratri​

Answer»

nooooooooooooExplanation:noooooooooooo

45623.

What is difference between protoplasm and protoplast​

Answer»

asts are called naked cells because they are not SURROUNDED by any cell wall instead BOUNDED by PLASMALEMMA. On the contrary, protoplasm is a translucent, semi fluid present INSIDE the cell constitute the living matter of cells both plants and ANIMALS.

45624.

Define nucleus.........​

Answer»

In a CELLNUCLEUS acts LIKE the main part or brain of the cell(animal and plant)and CONTROLS all cellular functions.In an atomIn an atom, NUCLEUS holds the protons and neutrons together and is orbited by TINY electrons.

45625.

By which substance make up plastic​

Answer» PLASTICS are made from natural materials such as CELLULOSE, coal, natural gas, SALT and crude oil through a polymerisation or POLYCONDENSATION process.
45626.

Draw a labelled diagram of Plant Cell. Describe the structure and function of organelles of cell​

Answer»

all LABELED diagramExplanation:MARK me as BRAINLIST

45627.

Assertion (A) : Maize is a monocot plant Reason (R) : Seed of maize plant has a single cotyledonpls help me fast​

Answer»

e here is your ans°The act of ASSERTING, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced. °Maintenance; vindication; as, the assertion of ONE's rights or prerogatives.plss MARK as brainliest ✔

45628.

Scientist scientist who discovered the smallest artificial ecosystem​

Answer» DOCTOR biiiiiiiiiiiiiiiiiiiii
45629.

Draw a well labeled newron and label it

Answer» UA uanabbbtdks
45630.

What is the wave like motion seen in pH AG us called how is it useful to us

Answer»

Wave motion, propagation of disturbances—that is, deviations from a state of rest or , Most FAMILIAR are surface WAVES on water, but both sound and light travel as wavelike . No compatible source was FOUND for this media . UPON passing through a small hole: this is the PHENOMENON known as diffraction.hope this helps

45631.

Internal fertilization and vivipariy are characteristics of magur or not

Answer»

indhere is your ansInternal fertilization is the union of an egg CELL with a sperm during SEXUAL reproduction inside the FEMALE body. For this to happen there needs to be a method for the MALE to INTRODUCE the sperm into the female's reproductive tract.pls mark as brainliest ✔

45632.

Odd one:carrot , beetroot , radish , ginger.

Answer» GINGER..................
45633.

Mantion the two components of lichens

Answer»

These two components exist together and BEHAVE as a single organism. When two organisms LIVE together in this way, each providing some BENEFIT to the other, they are KNOWN as symbionts.

45634.

How are plants able to survive without an efficient transport system give two reason​

Answer»

rtation is a vital process in plants. Trees transport all the nutrients and WATER it needs for survival from its roots to the TIPS of the leaves. In the CASE of transportation in plants, the BIGGEST constraint is water as it ends up being a limiting factor in growth.Transport systems in plants Plants require a transport system to deliver raw materials for photosynthesis to the leaves and to deliver the sugar made to other parts of the plant for use or storage.The xylem consists of tracheids and vessels, which transport water and minerals to the leaves. The phloem transports the photosynthetic products from the leaf to the other parts of the plant. A single vascular bundle, no matter how large or small, always contains both xylem and phloem tissuesThe importance of TRANSPIRATION in plants is to cool the plant and provide water and nutrients to the leaves. During transpiration, water evaporates... Hope you love it And please mark me as Brainlist

45635.

Transportation system more one name is​

Answer» BLOOD..................
45636.

A prokaryotic cell does not have a well defined nuclear region. Mention TWO ways by which a photosynthesizing prokaryotic cell differs from a cell of your body. •Presence of chloroplast•Absence of membrane bound cell organelles•Presence of more than one chromosome•Having large size​

Answer»

Prokaryotic vs. ... There are SEVERAL differences between the two, but the biggest DISTINCTION between them is that eukaryotic cells have a distinct nucleus containing the cell's genetic material, while prokaryotic cells don't have a nucleus and have free-floating genetic material instead.Explanation:PLZ plz plz follow me

45637.

Apical parts of roots and shoots consist of​

Answer» APICAL MERISTEMS ...... ROOT apical meristem( RAM )and shoot apical meristem( SAM)
45638.

Children are vaccinated against polio because

Answer» HEY BUDDY HERE IS UR ANSWER ✌️✌️Children are vaccinated against polio becausetheir immunity levels are lower than those of other children. All sick children and newborns should be immunized during the polio CAMPAIGNS to give them the PROTECTION against polio that they DESPERATELY need.HAVE A NICE DAY IF FOUND HELPFUL MARK AS BRAINLIST AND THANX ME TOO.
45639.

Muscle that prevents the backflow of substance from stomach to oesophagus​

Answer» SPINAL musselExplanation:PLEASE MARK me as BRAINLIEST ANSWER
45640.

Describe the appearance of Healthy lungs​

Answer»

I hope that my ans is HELPFUL to you Explanation:The lungs are a pair of spongy, air-filled organs located on EITHER side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then DIVIDE into smaller and smaller branches (BRONCHIOLES), finally becoming MICROSCOPIC.

45641.

What do you mean by cell theory

Answer»

eory states that living things are composed of one or more cells, that the cell is the BASIC unit of life, and that cells arise from existing cells. Learning OBJECTIVES. Identify the components of cell theoryThe three parts of the cell THEORY are:All living things are composed of cells.Cells are the basic units of structure and function for living things.All cells come from pre-existing cells. Also, ORGANISMS grow by “adding on more cells” NOT by increasing the size of their cells.Please mark me as Brain List

45642.

To whom is human more similar to a hen Or a sparrow?​

Answer»

The SPARROW is more similar to a HUMAN than a hen On the BASIS of their INTELLIGENCE it similar to human

45643.

Define osmosis in the easiest way​

Answer»

HEY BUDDY HERE IS UR ANSWER ✌️✌️OSMOSIS:a PROCESS by which molecules of a solvent tend to pass through a semipermeable membrane from a LESS concentrated solution into a more concentrated one. HAVE A NICE DAY IF FOUND HELPFUL MARK AS BRAINLIST AND THANX ME TOO

45644.

Dil marra dekho Na mari haisiyat puchho Tere bin ak duja suu sal hकोंन है भाई बताये एसि लिखाplease बताये ​

Answer» EXPLANATION:AACHA HAI
45645.

Question 1. State the major functions of the following: Plasma membraneMitochondriaLysosomeRubosomeV. Chromosomes​

Answer»

tion:Plasma membrane It separates the content of the cell from its surroundings.It REGULATES the entry of certain solids and ions into the cell.It maintains the shape of the cell that is the animal cell.(b) RibosomeIts main function is Protein synthesis.(c) Lysosome Intracellular digestion and Destroy foreign substances.When a cell is old or injured this rapidly destroy organelles hence called suicide bags.MitochondriaRelease of energy form pyruvic acid PRODUCED in the cytoplasm in the form of ATP and helps in the Synthesis of respiratory enzymes.Chromosomes are essential for the process of cell division, replication, division, and CREATION of daughter cells. Chromosomes are often called the 'packaging material' because it TIGHTLY holds the DNA and proteins together in the eukaryotic cells.Maybe It will HELP you!

45646.

Ín animal cell have vacules?​

Answer»

Vacuoles are storage BUBBLES found in CELLS. They are found in both animal and plant cells but are much larger in plant cells. Vacuoles might store FOOD or any variety of nutrients a CELL might need to SURVIVE. ... The structure of vacuoles is fairly simple.

45647.

Plant cell plastics and animal cell​

Answer»

tion:ANIMAL CELLS have CENTROSOME and lysosomes where as plant cells have PLASTIDS

45648.

Nerve cell does not containIV virus attacks which of the following part of the body

Answer»

nfections USUALLY begin in peripheral tissues and can invade the mammalian nervous system (NS), spreading into the peripheral (PNS) and more rarely the central nervous systems (CNS). The CNS is protected from most virus infections by effective immune responses and multi-layer barriers. However, some viruses ENTER the NS with high efficiency via the bloodstream or by directly infecting nerves that innervate peripheral tissues, resulting in debilitating direct and immune-mediated pathology. Most viruses in the NS are opportunistic or accidental pathogens, but a few, most notably the alpha herpesviruses and rabies virus, have evolved to enter the NS efficiently and exploit neuronal CELL biology. Remarkably, the alpha herpesviruses can establish quiescent infections in the PNS, with rare but often fatal CNS pathology. Here we review how viruses gain access to and spread in the well-protected CNS, with particular emphasis on alpha herpesviruses, which establish and maintain persistent NS infections.IntroductionMost acute and persistent viral infections begin in the periphery, often at epithelial or endothelial cell surfaces. Infection of cells at these sites usually induces a tissue-specific antiviral response that includes both a cell autonomous response (intrinsic immunity) and paracrine signaling from the infected cell to surrounding uninfected cells by secreted cytokines (innate immunity). This local inflammatory response usually contains the infection. After several days, the adaptive immune response may be activated and the infection cleared by the ACTION of infection-specific antibodies and T cells (acquired immunity). Viral infections that escape local control at the site of primary infection can spread to other tissues where they can cause more serious problems due to robust virus replication or, overreacting innate immune response. This latter reaction is sometimes called a `cytokine storm` because both pro-inflammatory and antiinflammatory cytokines are elevated in the serum leading to vigorous systemic immune activity (Figure 1). Such a response in the brain is usually devastating and can lead to meningitis, encephalitis, meningoencephalitis or deathEntering the nervous systemWhile the PNS is relatively more accessible to peripheral infections because nerves are in direct contact with tissues of all types, the CNS proper has several layers of protection. Spread of infection from the blood to the cerebral spinal fluid and CNS cells is limited by the blood brain barrier (BBB). The BBB is mainly composed of endothelial cells, pericytes, astrocytes and the basement membrane (Figure 2D). Pericytes project finger-like processes to ensheath the capillary wall and coordinate the neurovascular functions of the BBB. The star shaped astrocytes (i.e. astroglia) are the major glial cell type in the CNS. The astrocyte endfeet projections ensheath the capillary, regulating BBB homeostasis and blood-flow. Brain microvascular endothelial cells (BMVECs) that line the CNS vasculature are connected by tight junctions not found in capillaries in other tissues. These junctions restrict the egress of bacteria, virus particles, and large protein molecules from the lumen of the blood vessel, while allowing the transport of metabolites, small hydrophobic proteins, and dissolved gasses in and out of the CNS. The basement membrane, a thick extracellular matrix, also surrounds these capillaries further limiting MOVEMENT of pathogens. Perivascular macrophages (i.e. migroglia) residing between the endothelial and glial cells further provide immune surveillance in the CNS tissue. Virus infections that leave the periphery and find their way into the PNS or CNS do so either by direct infection of nerve endings in the tissues, or by infecting cells of the circulatory system that ultimately carry the infection through the BBB into the CNS

45649.

The mass of similar cells is called a clone

Answer»

Cloning is the PROCESS of producing individuals with identical or VIRTUALLY identical ... DOLLY was named after performer Dolly Parton because the cells cloned to MAKE her were from a ...

45650.

introduction to exotic species can cause extinction and depletion of endemic species, justify the statement with the help of an example

Answer»

The evil quartet is the CONCEPT which describes the reasons which CAUSE a decrease in the number of species. There is loss of biodiversity due to main four reasons which were known as the four horsemen which are OVEREXPLOITATION, loss of habitat, introduction of the exotic species and the extinction of species continuously. When new exotic or alien species in incorporated in a region, there is less importance given to the NATIVE species. This results in loss or disappearance of these species. The introduction of Lantana camara has resulted in loss of value of the native grasses.31 тнηx❣️ + Fʟш ⎇ Iпвσхヅ