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5351.

ute, asu of the triangle ots s-Eumpe 2:A triangular park Abk has sides 120m om and S0ms (prulenor f)haniu laas lo putョfence all around itmush areu doss she necd so plant? Fnd the cost of fencing it whme of Rs 20 per metre leaving a space 3m wide fon abuletiou : For finding anea of the park, we haveig 12.7)las to put a fence all anound st and ahoo plant grass insde Hwgate on one sade2 50m+0m 120 - 250ms 125 n50 mow120) m5m

Answer»

thanx

5352.

Chromosomes are made up ofa) DNA onlyc) DNA and protein24.

Answer»

Chromosomes are made up of DNA and protein.

5353.

Ozone Layer

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TheOzone layerorozone shieldis a region ofEarth'sstratospherethat absorbs most of theSun'sultravioletradiation. It contains high concentration ofozone(O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in Earth's atmosphere as a whole is about 0.3 parts per million. The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 30 to 50 kilometers (19 to 31mi) above Earth.

5354.

Who can prevent accidents

Answer»

I, we and every individual can prevent the accidents by following basic road safety rules. When you are driving on the roads, always make sure to follow the important key-points to prevent accidents.

Always wear your safety belt

Always followsafety signs.

Never use cellphones while driving.

Keep eyes on the road.

Never drink and drive.

Follow the speed limits.

Never rash drive.

Always follow the rules while driving.

Never speed up while the signal has turned red.

Avoid Construction areas.

Drive a safe vehicle.

thnkuuuu

5355.

-14. Plasma membrane is made up of(1) a protein layer between two lipid layers) a protein, a lipid and a celluose layer(4) bimolecular lipid layer surrounded by protei

Answer»

The plasma membrane is composed of a phospholipid bilayer, which is two layers of phospholipids back-to-back. Phospholipids are lipids with a phosphate group attached to them. The phospholipids have one head and two tails. The head is polar and hydrophilic, or water-loving.

5356.

Draw a labelled diagram of human digestive system.

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5357.

explain the functions of human digestive system

Answer»

The nutrition of human beings takes place through human digestive system.The human digestive system consists of the alimentary canal and its associated glands.The various organs of the human digestive system are : Mouth , oesophagus , stomach , small intestine , large intestine .The glands associated with the humandigestive system are : salivary glands, liver and pancreas.

Secretion of digestive enzymes and other substances liquefies, adjusts the pH of, and chemically breaks down the food. Mechanical digestion is the process of physically breaking down food into smaller pieces. This process begins with the chewing of food and continues with the muscular churning of the stomach.

5358.

Explain human digestive system in detail with diagram

Answer»

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion. In this system, the process of digestion has many stages, the first of which starts in the mouth

Thanks bro

5359.

Draw a labelled diagram of human digestive system

Answer»
5360.

crystals contain a toxic insecticidal protein. Why does this toxin not killthe Bacillus Actually the Bt toxin protein exist as inactive protoxins but

Answer»

The toxin is present as inactive form in Bacillus thuringenesis. The toxin gets active in alkaline pH

5361.

. What is a dental formula? Give dental formula ofman.

Answer»

2123/2123 dental formula of man

half of different teeth of upper jaw/half of different teeth of lower jaw *2

5362.

Sketch the labeled diagramsa. Human male reproductive systemb. Human female reproductive systenmc. Flower with its sexual reproducorgans.d. Menstrual cycle.

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5363.

describe the structure of human digestive system

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A human digestive system is a group of organs working together in converting food into energy and basic nutrients required for the body. It is made up of the gastrointestinal tract, also called as digestive tract along with liver, pancreas, and gallbladder which constitute the parts of the digestive system. The hollow organs that make up the gastrointestinal tract –GI tract include the mouth, stomach, esophagus, small intestine, large intestine that contains rectum and anus.Some parts of nervous and circulatory systems also play a major role in the digestive process. A combination of nerves, bacteria,hormones, blood, and organs of digestive system complete the task of digestion that a person consumes in a day.

another type Bro

5364.

How do communicable diseases spread? Suggest ways to prevent thdiseases:(a) Tuberculosis(b) Athlete's foot(c) Cholera

Answer»

Some ways in whichcommunicable diseases spread areby: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) ... travel through the air, such as tuberculosis or measles.

a) TuberculosisAlways cover your mouth with a tissue when you cough or sneeze.

Wash your hands after coughing or sneezing.

Don't visit other people and don't invite them to visit you.

b)Athlete FootWash feet daily.

Dry feet well, including between the toes.

Avoid walking barefoot

c)CholeraBottled water with unbroken seals and canned/bottled carbonated beverages are safe to drink and use.

Use safe water to brush your teeth, wash and prepare food, and to make ice.

Clean food preparation areas and kitchenware with soap and safe water and let dry completely before reuse.

5365.

c) Male flowerd) lale no(vi) Which of the following is the source of vector DNA in genetic engineering?a) Bacillus thuringiensisc) Nitrobacterb) Agrobacterium tumifaciensd) Nitrosomonas.

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The elaboration of a system for cloning in bacilli began with a search for plasmids capable of replicating in Bacillus thuringiensis.option a

5366.

0.1. Fill in the blanks and rewrite the sentences :1. Centripetal force is given by the formula ...

Answer»

centripetal force is given by the formula mv²/R

centripetal force is given by the formula= mv²/r

Centripetal forceis measured in Newtons and iscalculatedas the mass (in kg), multiplied by tangential velocity (in meters per second) squared, divided by the radius (in meters). This means that if tangential velocity doubles, theforcewill quadruple.

centripetal force is given by the formulamv²/R

mv²/r is the right answer

Centripetal force=MV*2/r

mv²/r is formula of centripetal force

mv²/R is the formola of centripetal force

F= mv²/r the correct answer of the given question hopes it helps is the correct answer of the given question

A force act on any other object moving along a circle and it is directed to the center of the circle it is called as centripetal force and it is denoted by f=mv2/r

5367.

(C)LCD TVISION(D)19.Substances causing a violent reaction to the human immune system are

Answer»

those substances are called ALLERGEN which occurs when an allergic reaction takes place in our immune system . Our immune system protects our body from infections ,viruses and diseases.

5368.

2. Explain how plasmids are used as vectorsin genetic engineering.

Answer»

Plasmids are usedingenetic engineeringto generate recombinant DNAs and as a mechanism to transfergenesbetween organisms.Plasmidsare “extra” self-replicatinggeneticelements found in cells. They are distinct from chromosomes in being non-essential.

Plasmids are usedingenetic engineeringto generate recombinant DNAs and as a mechanism to transfergenesbetween organisms.Plasmidsare “extra” self-replicatinggeneticelements found in cells. They are distinct from chromosomes in being non-essential.

Why areplasmids used as vectors in genetic engineering(what's so special about them)? ...Plasmidsare extra-chromosomal. Integrating DNA into a bacterial or other chromosome is much more difficult than just putting DNA into a cell; by obviating that stepplasmidsmake it easier to move DNA into a cell.

5369.

Q1.tissueCartilage and bone are types of -(a) muscular(b) connective(c) epithelial(d) meristematic

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Cartilageis a connectivetissueconsisting of a dense matrix of collagen fibres and elastic fibres embedded in a rubbery ground substance. ... That is, maturecartilagecells are called chondrocytes. They occur, either singly or in groups, within spaces called lacunae (sing.

(b) connective tissue

connective tissue is correct

(b)- connective tissue

connective tissue is the correct answer

Cartilage and bones are types of connective tissue.

(B) Connective tissue

option number b) is correct answer

option 'B' i.e. connective tissue

5370.

20. What is meant by fractionating column?a uith glass b

Answer»

A fractionating column is an essential item used in distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in volatilities. Fractionating columns are used in small scale laboratory distillations as well as for large scale industrial distillations.

5371.

What is ealled meristematic tissue? Explain types ofmeristematic tissue based on their location

Answer»

Meristematic tissue or meristems, as they are also called are tissues that have the ability to enlarge, stretch and differentiate into other types of cells as they mature. The cells of this tissue are generally young and immature, with the power of continuous division.

Meristematic cells are all living cells. The meristematic cells can be oval or rounded or polygonal in shape. They have a large nucleus with no vacuoles. Intercellular space between cells is absent. The cells are also small in size but have a high capacity of cell division.

Apical Meristems– These meristems are located on the tip of the root, stem etc. They help in the growth of the root system as well as the shoot system. The various cell divisions along with the cellular enlargement help in the growth of the stem above the ground and the growth of the root below the ground.

Intercalary Meristems –The intercalary meristems are located at the internodes or the base of the leaves. The intercalary meristems help in increasing the length of the internode. This is usually seen in monocotyledonous plants.

Lateral Meristems– The lateral meristems are present on the lateral side of the stem and root of a plant. These meristems help in increasing the thickness of the plants. The vascular cambium and the cork cambium are good examples of a lateral meristematic tissue.

5372.

write the main function of vascular tissue in plant

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Thevascular tissuesinclude xylem, which conducts water and minerals from the roots upward and throughout the plant, and phloem, which transports dissolved nutrients in all directions within the plant. The main conducting vessels of xylem are the tracheids and the vessels.

5373.

What is the significance of tropic movementsin plants ? Explain any two types of tropicmovements?(DDE 2017)

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Tropic movementsareimportantfor plantsbecause of the following reasons:(1) They serve as protective function.(2) They help in developing a sudden response for a stimulus or change. (3)It helps in the growth of pollen tubes towards the ovules.

Plants show two different types of movements, one is independent of growth and the other is dependent on growth.The movement of a plant part in response to light is called phototropismThe movement of a plant part in response to gravity is called geotropism.The movement of a plant part in response to chemicals is called chemotropism.The movement of a plant part in response to water is called hydrotropism.The directional movement of a plant part in response to touch of an object is called thigmotropism.

5374.

write function of tendon ligament and adipose tissue, blood

Answer»

Tendons may also attachmusclesto structures such as the eyeball. A tendon serves to move the bone orstructure. A ligament is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable.

What are the functions of adipose tissue?

Answer

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7 ANSWERS

Shunmuga Priya, B.Tech ,Biotechnology

Answered Mar 20, 2016

Adipose tissue is a loose fibrous connective tissue.

Functions:

To store triglycerides(fats) in the form of single large droplet that occupies the major part of the cell.

To provide mechanical protection around some major organs. eg: kindney

Acts as an insulating layer. i.e. prevents the loss oof heat from the body.

It also acts as a means of energy storage.(the food excess to requirement is stored in the form of fat in adipocytes.)

5375.

I. Mark the odd word in each group1. Axon, dendrites, Nerve endings Mitochondria.2. RBC, WBC, Platelets Tendon.)3. Sieve tubes, Companion cells, Phloem fibre Vessels.4. Glandular, Squamous, Cuboidal, Cardiac.5. Xylem, Phloem, Meristematic, Areolar

Answer»

1. mitochondria

2. tendon

3. vessels

4. cardiac

5 areolar

5376.

Identify the odd word and explain why it is oddCartilage, Bone, Tendon, Cardiac Muscle

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cardiac muscle . where others belongs to bones

5377.

5)6)7)What is hibernation? give an example.What is aestivation? give an example.Differentiate between tendon and ligament.

Answer»

5)Hibernate is one of the most famous Java Framework written by Red Hat community.If you want to design a project that links or communicates with any database without changing the project source code you have to use Hibernate.

If you are developing a web application then you are definitely using a database it may be Oracle, Mysql or any other for instant let us assume you are using Mysql for your application. In future if you want to change the database what you have to do, you have to change your code according to your new database.

To override this problem Hibernate is using if you are planning to change the database of your project, if you don't want to change your code with respect to that database. at that time you have to use Hibernate Framework.

Hibernate Framework provides alternative query language independent to database.that means if you are designing your project and want to connect it with a database use Hibernate provided query language to connect your project with a database. Check your project with any one database after that change the database and check your project once more it works perfectly

5378.

Briefly describe the process of Adaptive Radiation with respect to Austrilian Marsupials.

Answer»

Inevolutionarybiology,adaptive radiationis aprocessin which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.

5379.

Give one characteristics of each of the followinga. Syconb. StarfishC, Art

Answer»

a. Sycon is a genus of calcareous sponges belonging to the family Sycettidae

b. The starfish (commonly as a sea star) is generally found with 5 arms that are attached to a central disc

c. Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera.

5380.

merateany five adaptive floral characteristics of a wind pollinaver. Give one exampleof such flower.

Answer»

Wind-pollinatedplants do not invest in resources that attractpollinatingorganisms, such as showyflowers, nectar, and scent. Female structures onwind pollinatedplants areadaptedto capture the passing pollen from the air, but the majority of the pollen goes to waste.

5381.

Draw the diagram of parenchyma tissue and write its two features.

Answer»

Cells of this tissue have a central large vacuole and a peripherally located nucleus. Parenchyma has loosely arranged cells and serves as food storage tissue. The cells of the parenchyma are turgid that help in maintaining shape and firmness of the plant body. The intercellular spaces allow for gaseous exchange for the metabolically active parenchyma cells. Certain waste products gum, tannin, resins are also stored in parenchyma.

5382.

differentiate between parenchyma and collenchyma

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5383.

give four characteristics of collenchyma cell

Answer»

1. These cells are isodiametric and elongated.2. Cell walls are unevenly thickened at the corners due to the deposition of cellulose, hemicellulose and pectin.3. These often contain chloroplasts.4. Intercellular spaces are absent.5. It provides mechanical support to the growing parts of the plant.

1.THERE CELL WALL IS THICK. 2.PRESENT IN LEAF STOCK. 3.THICKNING OF CELL WALL IS PETROCELLULOSIC.

the four characteristics of collenchyma are1. they have thick cell wall2.the cell wall is unevenly thickened3. the thickening is Petrocellulosic4. they are found in leaf stalk

5384.

State the structure and function of collenchyma

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5385.

of the faces J WIL TIORWhat is scattering of light ? Use this phenomenon to explain why () theSun appearspears reddish at sun-rise, and in the clear sky appears blue.A.

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5386.

rage No.nd

Answer»

Thallophyta (Algae):

1. They are mostly aquatic.2 The thallus consists of a single cell to well developed uniseriate or branched filaments.3. There is no or ill defined tissue differenti­ation4. In each cell one or few chloropasts are present. In other cases instead of chloroplasts, the chromatophores are present.5. The stomata or pores are not present

Bryophyta:

1. Mostly terrestrial and prefer damp and shady places.2. The thalles is not filamentous except in protonema stage. It is made up of parenchymatous cells.3. There is well defined tissue differenti­ation.4. In each chlorophyllous cell many well developed chloroplasts are present.5. The pores or stomata are present.

5387.

Collenchyma tissueis a ..................tissue.

Answer»
5388.

An analog voltmeter uses external multipliersettings. With a multiplier setting of 20 k 2, it reads440 V and with a multiplier setting of 80 k2, it reads352 V. For a multiplier setting of 40 k22, thevoltmeter reads

Answer»
5389.

sun near the horizon appears flattened at thesunset and sunrise. Explain why?

Answer»

It is due to the refraction ofsunlightas it travels through Earth's atmosphere. ... Refraction of light by these layers can make thesun appear flattenedor distorted. Objects closer to thehorizon are raised upwards most and the lower limb of theSunis raised more than the top making itappearoval

like if you find it useful

5390.

3. A tissue made than one type of cells

Answer»

A tissue made than one type of cell is called as simple tissue

A tissue is made of one type of cell is call simple tissue

5391.

What is DNA? Describe the double helical

Answer»

DNAstands for deoxyribonucleic acid. DNAconsists of long chain of nucleotide units. Each nucleotide consists of a nitrogenous base, a deoxyribose sugar and a phosphate group. It is a genetic material that containing the genetic instructions used in the development and functioning of all known living organisms.

Double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating groups ofsugar(deoxyribose) and phosphate groups.

5392.

\begin{array} { l } { \text { Glenoid cavity is associated with } } \\ { \text { (1) Pelvic girdle } } \\ { \text { (3) Clavicle } } \end{array}

Answer»

Glenoid cavity is associated with Scapula

The scapula (commonly known as the shoulder blade) is a triangular shaped bone which has a part called the glenoid that forms the “socket” for the head of the humerus.

no i think it should be scapula

5393.

2 If a double stranded DNA has 20 per cent of cytosine, calculate the percent of adenine in the DNA

Answer»
5394.

Two floating aquatic plants

Answer»

Two floating aquatic plantsWater HyacinthCommon Salvinia

The Bladderwort.

The Normal Duckweed.

correct

5395.

2212ORANT GROTEXERCISER3202Vnd out potential difference between point A and3.5 V54V(2) 3 V(4) 5 V

Answer»
5396.

1923212URRENT GROZ BRERASE19202VFind out potential difference between point A andB.(1) 3.5 V(2) 3 V(3) 4 V(4) 5 V

Answer»
5397.

a)Bryophytes are called "amphibians of plant kingdon"b)Spiders and scorpion are very different from each other but are placec)Write the name of the following-i)Reptile which has four chamber heart.ii)Worm found in intestine.iii)Egg laying mammal.

Answer»

(1) Amphibians are those organisms which live on both land and in water. Bryophytes are called amphibians of the plant kingdom because these plants though live in soil but they need water for sexual reproduction. The sperm of bryophyte (antherozoids) are flagellate and need water to swim to the eggs.

(2) Spiders and scorpions are different species of the same phylum Arthropoda. They both are different, but they have many characteristics in common, such as they both have jointed 6 legs, coelomic cavity filled with blood, open circulatory system.

(3)i. Except for crocodilians, which have a four-chambered heart, all reptiles have a three-chambered heart.ii. Tapeworms embed their heads into the intestinal wall and remain there.iii. Egg-laying Mammals. There are only five living monotreme species: the duck-billed platypus and four species of echidna (also known as spiny anteaters).

raptile which have four chamber heard

5398.

4. Driving after consuming a few drinks is not advised

Answer»

Drinking causes impairment and loss of agilityhence it becomes difficult to take instant desicion which can prove fatal during driving.

what is agility

5399.

0.9For the circuit shown in the figure thecurrent l'is[ESE EC 1999]12 Rwww4 RVO3302R4 R 1A(A) Indeterminable due to inadequate data(B) zero(C)4 A(D)8 A

Answer»

option d) is the correct answer

5400.

what ie mean by or

Answer»

Microorganisms may be composed of prokaryotic or eukaryotic cells, and they may be single-celled or multicellular. Examples of microorganisms include algae, fungi, protozoa, bacteria and viruses.